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MOTORTRONICS MVC Plus User Manual: 2.3 7.2kV Class

1. 60 events Screen 1 1 Screen 1b ist Event Cause of event HHHHHE IB IBHHHHE lt gt Vab Voc IHHHHHE ERITREA THE THE IC HHHHHE G F HHHH THHHHHE P F HHH jd Event lt cause of event P THHHHHE IB HAHAH PM Vab THHHHHIE V bc THHHHHI VON AHERE GIF P F HHHH v Screen 1 Screen 1 Screen 1b lt of event Qo IB IHHHBBE qc Vab V bc HHHH 59th Event 4HHHHHE GIF 1HHHE 1HHHHHEPIF HHH 60th Event lt of event Prd IA THHHHHE IB Vab V bc ERITREA THE THE IC GIF HHHH THHHHHE P F HHHH All events will be viewed from oldest event in buffer to most recent event Motortronics Inc Page 71 CTi Automation Phone 800 894 0412 Fax 208 368 0415 Web www ctiautomation net Email info ctiautomation net MP 6 Metering Metering Page 6 Displays the last trip information Screen 1 Displays the cause of the last trip MENU Screen 2 Displays the measured phase current at the time of the trip 4 6 Screen 3 Displays the Vab Vbc and power factor at the time of trip LAST TRIP Screen 4 Displays the imbalance
2. 21 3 2 21 3 3 Deceleration Adjustments eges esee cece ente eee pote con tenen urbe cox Petre ebbe 22 3 4 Sequence of Normal OpoeratiOhi octo denene e ERR FEDERE RETE EX FEE tie VERE EE ERR E 23 3 5 Emergency Bypass pe du eo p dac ee ee 25 Chapter 4 User Interface and Menu 26 4 1 Keypad Operator Interface acce t puse ceste ede use usa aue e ku sb dac CR RR ERROR RE DR ON RA AIR E RA ERE CERA Rao G 26 4 1 1 Keypad Operator designations and 26 4 2 Menu Navigation cease ie heed Gee 27 4 2 1 Password 222502 KR Ex ATA ER ORE R YE Saeed de ERORER E KE Ex 28 4 2 2 CHANGING dome e Ld ean me eg esae Pala eu Ra X 28 Chapter 5 Setpoint emen 29 Ir 29 35 5 1 1 Basic Configuration Setpoint 1 29 5 1 2 Starter Configuration Setpoint Page 2 202224 nnne 29 5 1 3 Phase
3. 2 nnns nnns nnns nnns 10 Fai E 10 2 2 Control Connections serier dme 11 221 INGE BO al Oi EE 10 Fig 2 2 1 TCB Terminal and Control 10 2 2 2 Description of Terminal 12 14 2 2 3 Description of Jumper Selections and 15 2 2 4 Description of Switch Settings and 0000 15 2 2 5 Description of LED Indicator Functions 16 2 3 Circuit Board Layout Reference 17 19 Eig 2 3 Optional RTD B rd decns 17 Fig 2 3 2 RS485 RS422 Communications 17 Eig 2 23 MAIN BOI eed require det ix enti 18 Fig 2 34 CRW Board Uu bu aie ub ap puta dra e pula t uin ue dy 19 2 4 Typical Wiring Diagrar 20 Eig 2 Witing Di gra M ore tor oleo eta toU 20 Chapter 3 Start U p eerie ce st pe OE Re gu TOES 21 3 1 E
4. GROUND FAULT HISET TRIP DELAY 0 008 SEC Range 0 008 0 250 SEC V Increments of 0 002 LEVEL 10 Range 5 30 Off Increments of 1 OVERVOLTAGE ALARM OVERVOLTAGE ALARM LEVEL OFF DELAY 1 0 SEC Range 5 30 Off 1 0 30 0 pe Increments of 1 Increments of 0 1 OVERVOLTAGE TRIP OVERVOLTAGE TRIP DELAY 2 0 SEC Range 1 0 20 0 SEC Increments of 0 1 Continued Next Page Page 43 CTi Automation Phone 800 894 0412 Fax 208 368 0415 Web www ctiautomation net Email info ctiautomation net SP3 6 Phase Loss Trip When enabled the Soft Starter will trip the motor off line upon a loss of phase power Phase Loss Trip Delay The amount of time the phase loss condition must exist before a trip will occur SP3 7 Phase Rotation Detection The soft starter is continuously monitoring the phase rotation Upon a start command a trip will occur if it detects a change in the phase rotation Phase Rotation There are two possible phase rotation options ABC or ACB This Setpoint monitors the wiring to ensure that the phase rotation is correct To view the present phase rotation go to Metering 1 screen number 4 SP3 8 Ground Fault Alarm Typically used to warn of low level ground current leakage Ground Fault Alarm Delay The amount of time that the ground fault condition must exist before an alarm will occur SP3 9 Ground Fault Loset
5. x uw m T bud oo OR M m gt H En lt 2 2 On Io On gt gt n 20 a E b EE 4 c 2 A n E n lt t rm tui gt oO a a o wt E lt gt gt lt 5 a lt i lt c n n z n a _ uL CE N S cc lt 2 or gt 49 c x gt m z F gt lt z 2 I m lt 4 2 Or gt In 0 Or gt c 4 c gt a z gt gt z c 2 2 D lt z gt w 4 gt N gt ke z 5 o a X gt ul oo E gt i wo lt 2 lt E iS Eg 5 xo x De o oz o ak 2 orl gt T o ul Bo m E E ae we e 0 0 On ro gt 20 oa SP 4 Relay Assignment Setpoint Page 4 Security Level 2 Page 46 CTi Automation Phone 800 894 0412 Fax 208 368 0415 Web www ctiautomation net Email info ctiautomation net Motortronics Inc SP 4 Relay Assignment Setpoint Page 4 Continued Security Level 2 All of the protective functions of the Soft Starter are user programmable to an ou
6. OVERLOAD CURVE PAGE 8 MENU OVERLOAD CURVE SONA CONFIGURATION TIMES RUN CURVE LOCKED RUN LOCKED ROTOR ROTOR TIME O L CLASS CURRENT 600 FLA BASIC RUN Range 1 30 SEC Range 400 800 OVERLOAD CURVE Class Increments of 1 Increments of 1 COAST DOWN TIMER TIME DISABLED Range 1 60 MIN DISABLED Increments of 1 START CURVE LOCKED START LOCKED ROTOR ROTOR TIME O L CLASS CURRENT 600 FLA Range 1 30 SEC Range 400 800 O L Class Increments of 1 Increments of 10 ACCELERATION TIME Y LIMIT 30 SEC BASIC RUN Range 1 300 SEC DISABLED Increments of 1 NUMBER OF STARTS PER HOUR DISABLED Range 1 6 DISABLED Increments of AREA UNDER CURVE PROTECTION DISABLED Options ENABLED ij C L TIME BETWEEN STARTS TIME 5 MIN Range 1 60 MIN DISABLED Increments of 1 I I T START 368 FLA FLA SEC Range 1 2500 FLA Time DISABLED Increments of 1 CURRENT OVER LEARNED START CURVE TIME FOR SAMPLING CURVE DISABLED i BIAS 10 30 SEC Options DISABLED Range 5 40 Range 400 800 LEARN or ENABLED Increments of 1 Increments of 10 Motortronics Inc Page 55 CTi Automation Phone 800 894 0412 Fax 208 368 0415 Web www ctiautomation net Email info ctiautomation net SP8 2 Basic Start Overload Curve e Start Curve Lock
7. HHHHE v P F HHH Screen 4 Displays KVAR and Power Factor PEAK ON Screen 5 Displays Peak On and kW demand kW THHHHE PEAK ON Screen 6 Displays Peak On and kVA demand kVA THHHHE PEAK ON KVAR HHHH Screen 7 Displays Peak On and kVAR demand PEAK ON HHHH AMPS Screen 8 Displays the average current during start PRESS ENTER TO CLEA DEMAND VALUES Screen 9 Clears Demand Values MWH USED Screen 10 Displays the Megawatt hours used PRESS ENTER TO CLEAR MWH VALUES Screen 11 Press Enter to clear statistics on MWH values Motortronics Inc Page 68 CTi Automation Phone 800 894 0412 Fax 208 368 0415 Web www ctiautomation net Email info ctiautomation net MP 3 Metering Metering Page 3 Displays the RTD information When RTD option is installed METERING PAGE 3 MENU RTD VALUES DOWN ARROW 2 TIMES Screen 1 Displays the hottest stator RTD 1 6 depending upon number of RTDs used for stator Screen 2 Displays the hottest non stator RTD 27 12 if 311 6 is used for stator Screen 3 Displays the temperature of stator phase A1 in and F Screen 4 Displays the maximum temperature for RTD 1 since the last command to clear the thermal regist
8. 5 Low Control Voltage Trip Only None None Only AUX 5 eed in o2 9 z TCB Fault Trip None None the 2nd amp 3rd relay SP4 1 6 2 35 External Input 2 None None None assignments gt 3 Dual Ramp None None None g 9 Thermostat Trip None None O L Warning Alarm None None Overcurrent Alarm Alarm None None SCR Fail Shunt Alarm None None None Ground Fault Alarm Alarm None None Under Current Alarm None None None Motor Running AUX3 None None Alarm Alarm None None Stator RTD Alarm None None None Non Stator RTD Alarm None None None RTD Failure Alarm None None None Self Test Fail Trip None None Thermal Register Alarm None None UN Alarm Alarm None None ON Alarm Alarm None None Power Factor Alarm None None None KW Demand Alarm None None None KVA Demand Alarm None None None KVAR Demand Alarm None None None Amps Demand Alarm None None None Timed Output None None None Run Delay Time None None None At Speed AUX4 None None Ground fault option must be installed Motortronics Inc Page 31 CTi Automation Phone 800 894 0412 Fax 208 368 0415 Web www ctiautomation net Email info ctiautomation net 5 1 5 Relay Configuration Setpoint Page 5 Setpoint Security Factory Setting Section Page Level Level 2 Password Protected Page 5 Relay Configuration Description Default Trip AUX1 Fail Safe No Trip AUX1 Relay Latched Yes Alarm AUX2 Fail Safe No Alarm AUX2
9. DOWN ARROW 8 TIMES Page 9 RTD CONFIGURATION Options ENABLED DISABLED OF RTD S USED FOR STATOR 4 Range 0 6 Increments of 1 RTD VOTING DISABLED Options ENABLED or DISABLED STATOR PHASE A1 TYPE OFF lt gt RTD 1 DESCRIPTION STATOR PHASE 1 STATOR PHASE 1 ALARM LEVEL OFF STATOR PHASE 1 TRIP LEVEL OFF Range STATOR PHASE A2 Range Range Range RTD 2 DESCRIPTION STATOR PHASE A2 lt gt STATOR PHASE A2 lt gt TYPE OFF STATOR PHASE A2 ALARM LEVEL OFF TRIP LEVEL OFF Range Range Range Range STATOR PHASE B1 3 DESCRIPTION PN STATOR PHASE B1 os STATOR PHASE B1 TYPE OFF STATOR PHASE B1 ALARM LEVEL OFF TRIP LEVEL OFF Range Range Range Range STATOR PHASE B2 RTD 4 DESCRIPTION STATOR PHASE B2 los STATOR PHASE B2 TYPE OFF STATOR PHASE B2 ALARM LEVEL OFF TRIP LEVEL OFF Range STATOR PHASE C1 RTD 5 DESCRIPTION STATOR PHASE C1 P STATOR PHASE C1 TYPE OFF STATOR PHASE C1 ALARM LEVEL OFF TRIP LEVEL OFF Range Range Range Range STATOR PHASE C2 PS RTD 6 DESCRIPTION STATOR PHASE C2 STATOR PHASE C2 TYPE OFF STATOR PHASE C2 ALARM LEVEL OFF TRIP LEVEL OFF Range Range Range Range END BEARING TYPE 47 DESCRIPTION EN
10. Page 1 Basic Configuration Page 2 Starter Configuration Page 3 Phase amp Ground Settings 4 Relay Assignment Page 5 Relay Configuration Page 6 User I O Configuration i Page 7 Custom Acceleration Curve 8 Overload Curve Config Page 9 RTD Configuration Page 10 Security Set Password Page 11 Communications Page 12 System Setpoints LEVEL 1 LEVEL2 LEVEL3 fw Page 13 Calibration amp Service FACTORY LEVEL y Page 27 CTi Automation Phone 800 894 0412 Fax 208 368 0415 Web www ctiautomation net Email info ctiautomation net 4 2 1 Password Access Screens in Level 1 of the set point menu can be changed without password access because they list basic motor information Screens in Levels 2 and 3 require passwords because they provide more in depth protection and control of the unit The password in Levels 2 and 3 can be changed by the user Note Set Points can only be changed when the motor is in Stop Ready Mode The soft starter will not allow a start if it is still in the Edit Mode When the unit is in the Edit Mode an asterisk is displayed in the top right corner screen 4 2 2 Changing Set Points Example 1 Changing Motor FLA from 140 AMPS to 142 AMPS 1 Press MENU button to display Set point Page 1 Basic Configuration 2 2Pr
11. 6 2 Metering Menu and Explanation Push MENU key to toggle the screens between Setpoint Menu and Metering Menu and follow the arrow keys to get to different screens MENU METERING PAGE 1 CURRENT METERED DATA 2 VOLTAGE amp POWER DATA i METERING PAGE 3 RTD VALUES 4 STATUS METERING PAGE 5 EVENT RECORDER 6 LAST TRIP METERING PAGE 7 STATISTICS Motortronics Inc Page 66 CTi Automation Phone 800 894 0412 Fax 208 368 0415 Web www ctiautomation net Email info ctiautomation net MP 1 Metering Metering Page 1 Displays basic current metering data MENU Y METERING PAGE 1 CURRENT METERED DATA IB 9998 IC HHH GIF Screen 1 Phase A B C and ground fault option current HHHH Screen 2 Displays the average current the percent of imbalance and the motor s VB RPM RPM available with tachometer input 0 edis Eris eL pens Screen 3 Displays the motor load in percent of motor FLA FLA LINE FREQUENCY Screen 4 Displays the line frequency and the present Phase Order PHASE ORDER THERMAL REGISTER Screen 5 Displays the percent of the remaining thermal register
12. MENU 4 DOWN ARROW 9 TIMES 10 SET LEVEL 2 SECURITY SET PASSWORD PASSWORD 100 PASSWORD 1000 Range 000 999 Range 0000 9999 SP10 1 Set Level 2 Password This level uses a 3 digit password The default level 2 password is 100 SP10 2 Set Level 3 Password Level three uses a 4 digit password The default level 3 password is 1000 SP 11 Communications Setpoint Page 11 Security Level 3 SP11 1 Set Front Baud Rate Configures the RS232 communications baud rate SP11 2 Set Modbus Baud Rate Configures the Modbus communications baud rate SP11 3 Modbus Address Number Assigns a Modbus address to the unit SP11 4 Set Access Code Assigns an access code to the Modbus addressing This is typically not used SP11 5 Set Link Baud Rate Configures the RS422 communications baud rate between the keypad operator and the CPU board For applications with remote keypad only SP11 6 Remote Start Stop Allows the RS485 Modbus communications to start and stop the motor Contact factory for details Page 11 SET FRONT BAUD SET MODBUS BAUD MENY DOWN COMMUNICATIONS RATE 9 6 KB SEC RATE 9 6 KB SEC 10 Range 2 4 4 8 9 6 Range 2 4 4 8 9 6 19 2 38 4 KB SEC 19 2 38 4 KB SEC Motortronics Inc MODBUS ADDRESS NUBBER 247 Range 1 247 Increments of 1 SET ACCESS CODE CODE 1 Range 1 999 Increments
13. POWER FACTOR LEAD P F LEAD ALARM P F ALARM OFF DELAY 1 SEC Range 01 1 00 Increments of 01 J Range 1 120 SEC Increments of 1 d POWER FACTOR LEAD P F TRIP OFF P F LEAD TRIP DELAY 1 0 SEC Range 1 120 SEC Increments of 1 P Range 01 1 00 Off Range 01 1 00 Off Increments of 01 POWER FACTOR LAG P F ALARM OFF Increments of 01 P F LAG ALARM DELAY 1 0 SEC Range 1 120 SEC Increments of 1 D POWER FACTOR LAG P F TRIP OFF Range ABC ACB or Disabled POWER DEMAND PERIOD 10 MINUTES m 1 60 Min ncrements of 1 KW DEMAND ALARM PICKUP OFF KW Off 1 100000 ncrements of 1 KVA DEMAND ALARM PICKUP OFF KVA Range Off 1 100000 Increments of 1 KVAR DEMAND ALARM PICKUP OFF KVAR Range Off 1 100000 Increments of 1 AMPS DEMAND ALARM PICKUP OFF AMPS iris Off 1 100000 ncrements of 1 P F LAG TRIP DELAY 1 0 SEC Range 1 120 SEC Increments of 1 44 CTi Automation Phone 800 894 0412 Fax 208 368 0415 Web www ctiautomation net Email info ctiautomation net SP3 12 Overvoltage Trip Level Typically used to indicate that the line voltage is too high and at which point a trip occurs Overvoltage Trip Delay The amount of time that the overvoltage condition must exist
14. Chapter 1 Introduction This chapter is an introduction to the Reduced Voltage Solid State Soft Starter for medium voltage AC motors It is highly recommended that users read this section thoroughly to become familiar with the basic configuration operation and features before applying the Soft Starter 1 1 Overview The standard Soft Starter is an SCR based controller designed for the starting protection and control of AC medium voltage motors It contains SCR stack assemblies fiber optic connections and low voltage control circuitry ready to be interfaced with an enclosure and the necessary equipment to create a complete a Class E2 medium voltage motor Soft Starter 1 2 Specifications Unit Running Overload Capacity Percent of motor FLA Frequency Power Circuit SCR Peak Inverse Voltage Ratings Phase Insensitivity Transient Voltage Protection Ambient Condition Design Control Auxiliary Contacts BIL Rating Approvals Two Stage Electronic Overload Curves Overload Reset Retentive Thermal Memory Dynamic Reset Capacity Phase Current Imbalance Protection Over Current Protection Electronic Shear Pin Load Loss Trip Protection Coast Down Back Spin Lockout Timer Starts per hour Lockout Timer Motortronics Inc GENERAL 125 Continuous 500 30 seconds 1 Cycle Up to 14x FLA Internally protected by the programmable short circuit 50 or 60Hz 2Hz hardware selectable 6 SCRs
15. Relay Latched No AUX3 Relay Fail Safe No AUX3 Relay Latched No AUX4 Relay Fail Safe No AUX4 Relay Latched No AUXG5 Relay Fail Safe No AUX5 Relay Latched No AUX6 Relay Fail Safe No AUX6 Relay Latched No AUX7 Relay Fail Safe No AUX7 Relay Latched No AUX8 Relay Fail Safe No AUX8 Relay Latched No Yes or No SP5 1 SP5 2 SP5 1 SP5 2 SP5 1 SP5 2 SP5 1 SP5 2 SP5 1 SP5 2 SP5 1 SP5 2 SP5 1 SP5 2 SP5 1 SP5 2 5 1 6 User Configuration Setpoint Page 6 Setpoint Security Level Page Description Factory Setting Default Section Tachometer Scale Selection Disabled Enabled or Disabled Manual Tach Scale 4 0 mA 0 RPM 0 3600 SP6 1 Manual Tach Scale 20 0 mA 2000 RPM 0 3600 Tach Accel Trip Mode Select Disabled Underspeed Overspeed or Disabled Tach Ramp Time 20 sec 1 120 Underspeed Trip PT 1650 RPM 0 3600 SP6 2 Tach Overspeed Trip PT 1850 RPM 0 3600 Tach Accel Trip Delay 1 sec 1 60 Off RPM 0 3600 Hottest Non Stator RTD Analog Output 1 RMS Current Do MS Creed A Motor Load 0 600 Kw SP6 3 Analog Output 1 4mA 0 0 65535 5 Analog Output 1 20mA 250 0 65535 8 Analog Output 2 Motor Load Same As Analog Input 1 5 g Analog Output 2 4mA 0 0 65535 SP6 4 2 5 2 Analog Output 2 20mA 100
16. Web www ctiautomation net Email info ctiautomation net SP 6 User Configuration Setpoint Page 6 Continued Security Level 2 TCB FAULT gt B TCB FAULT lt gt FAULT SELECT ENABLED TCB FAULT TYPE N O TIME DELAY 1 SEC US Range 0 60 SEC Continued 7 RG gore of 1 EXTERNAL INPUT 42 EXTERNAL INPUT 42 EXTERNAL INPUT 42 USER SELECT DISABLED NAME EXT INPUT 2 4 gt N O lt gt TIME DELAY 0 SEC PROGRAMM Options Enabled or See Text for Vae Range 0 60 SEC ABLE Disabled Instructions Options N C J Increments of 1 EXTERNAL INPUTS DUAL RAMP lt gt NAME EXT INPUT 3 DUAL RAMP gt DUAL RAMP SELECT DUAL RAMP SECOND RAMP TYPE N O TIME DELAY 0 SEC Options Enabled See Text for MENT Range 0 60 SEC Disabled of Dual Rab J Options N O or N C REED THERMOSTAT lt gt NAME EXT INPUT 44 THERMOSTAT lt gt THERMOSTAT SELECT ENABLED THERMOSTAT TYPE N C TIME DELAY 1 SEC Range 0 60 SEC Options Enabled or See Text for Options N O or N C Disabled P Instructions _ Df Increments of 1 SP6 5 User Programmable External Inputs The controller provides up to 4 digital external inputs which are individually programmable A description name can be assigned to each individual input for
17. page 8 NOTE Screen 1 CURRENT STATUS Screens include MOTOR STOPPED READY TO START MOTOR STARTING MULT OF FLA MOTOR RUNNING AT fHHEIHE X FLA LAST TRIP CAUSE NONE or trip cause PROGRAMMING SETPOINTS MOTOR STATUS Displays relay state upon error UNKNOWN STATE d Motortronics Inc MENU 4 STATUS 1 CURRENT STATUS O L TIME LEFT TO TRIP TRIP SEC Screen 3 T THERM INH TIME LEFT MIN Screen 4 i COAST DOWN TIMER TIME LEFT MIN Screen 5 1 TIME BETWEEN STARTS TIME MIN Screen 6 1 STARTS PER HOUR TIME THE HH HH 70 CTi Automation Phone 800 894 0412 Fax 208 368 0415 Web www ctiautomation net Email info ctiautomation net MP 5 Metering Metering Page 5 Displays the present status of the soft start Screen 1 Displays the event i e Imbalance Trip with the date and time it occurred Screen 1a Displays the current at Phase A B C and the ground fault at the time of the trip Note Ground fault option must be present Screen 1b Displays the Vab Vbc Vca and power factor at the time of trip MENU DOWN ARROW 4 TIMES METERING PAGE 5 EVENT RECORDER
18. power factor and current for each phase and ground fault current at time of event Up to 60 Events METERING FUNCTIONS Motor Load Percent of FLA Current Data A B C Phase Current Avg Current Ground Fault Option Thermal Data Remaining thermal register thermal capacity to start Start Data De Time Avg Start Current Measured Capacity to start time since last RTD Data Option Temperature readings from up to 12 RTDs 6 stator RTDs Voltage Metering kW kVAR KWH SERIAL COMMUNICATIONS Protocol Modbus RTU Signal RS 485 RS 422 or RS232 Network Up to 247 devices per mode Functionality Full operation status view and programming via communications port OPERATOR INTERFACE LCD Readout Alpha numeric LCD display Keypad 8 function keys with tactile feedback Status Indicators 12 LEDs include Power Run Alarm Trip Aux Relays Remote Mount Capability Up to 1000 circuit feet from chassis Use twisted shielded wire amp power source CLOCK and MEMORY Operating Memory SRAM loaded from F RAM at initialization Factory Default Storage Flash Memory Customer Settings and Status Non volatile F RAM no battery backup necessary Real Time Clock Lithium ion battery for clock memory only Motortronics Inc Page 2 CTi Automation Phone 800 894 0412 Fax 208 368 0415 Web www ctiautomation net Email info ctiautomation net 1 3
19. www ctiautomation net Email info ctiautomation net Check If the motor decelerates or stops during the acceleration period activate the Stop button immediately Adjustments to the ramp time and or current limit setting are necessary to provide the motor sufficient energy to reach full speed If the unit does not follow this operational sequence please refer to the Troubleshooting Chapter If the motor does not enter the run mode in the set time Acceleration time limit see SP8 2 a trip will occur When the motor reaches full speed the AUX 4 LED At Speed will be ON The POWER RUN AUX3 LEDs will be ON indicating that the contact has energized Phase A B C and Ground Fault current is shown on the keypad during operation 1 ___ IC ___ GF ___ Motortronics Inc Page 24 CTi Automation Phone 800 894 0412 Fax 208 368 0415 Web www ctiautomation net Email info ctiautomation net 3 5 Emergency Bypass Operation Emergency Bypass 2 3 to 7 2kV Class A e Remove input power by opening the disconnect switch and lock out HAZARDOUS OPERATION e Close the emergency Bypass contact located on the TCB board at TB2 Do not operate the Bypass Contactor See section 2 2 1 for location with medium voltage power applied e Unlock and reclose the disconnect switch to the unit Failure to follow this instruction will Note In the emergency bypass mode there is no overload protection cause the motor to star
20. 12 SCRs 18 SCRs Model dependent 6500 19500V Model dependent see Table 1 Note Contact Factory User selectable phase sequence detection RC snubber dv dt networks One per inverse pair of SCRs Enclosed units 0 to 40 C 32 to 104 F optional 20 to 50 C with heaters 5 95 relative humidity 0 3300 ft 1000m above sea level without de rating Ratings for ambient conditions external to unit 2 or 3 wire 120VAC Customer supplied Multiple Form C Contacts rated 5 Amps 240VAC max 8 Relays 4 programmable Form C contacts Fault Indicator Form C contacts 2300V 7200V 60KV UL recognized Canadian UL cUL recognized ADVANCED MOTOR PROTECTION Starting Programmable for Class 5 through 30 Run Programmable for Class 5 through 30 when At Speed is detected Manual Overload circuit retains thermal condition of the motor regardless of control power status Unit uses real time clock to adjust for off time Overload will not reset until thermal capacity available in the motor is sufficient for a successful restart Starter learns and retains this information by monitoring previous successful starts Imbalance Trip Level 5 3096 current between any two phases Imbalance Trip Delay 1 20 seconds Trip Level 100 30096 of motor FLA Trip Delay 1 20 seconds Under Current Trip Level 10 90 96 of motor FLA Under Current Trip Delay 1
21. 6 1 6 Last Trip Metering Page 6 Metering Page Description of Display Cause of last trip 1 Measured phase current 2 Measured voltage and power factor 3 lt Imbalance percentage the frequency and the kW 4 Hottest stator RTD temperature 5 Hottest non stator RTD temperature 6 6 1 7 Statistics Metering Page 7 Metering Description of Display Total Megawatt Hours 1 Accumulated Total Running Hours 2 Clear the Total Running Hour Count 3 Total Number of Trips Number of Short CircuitTrips 4 Number of Start and Run Overload Trips since the last statistical data clearing 5 Number of frequency and Current Imbalance trips 6 Number of Over Current Trips 7 Stator and Non Stator RTD Trips 8 Ground Fault Hiset and Loset Trips 9 Acceleration Time Trips 10 Start Curve Trips 11 iis Start Curve Trips 12 2 Learned Start Curve Trips 13 amp S Shunt Trip Trips 14 Phase Loss Trips 15 Tach Acceleration Trips 16 Undervoltage and Overvoltage Trips 17 Power Factor Trips 18 Phase Reversal Trips 19 Low Control Voltage Trips 20 Ext Inp 1 Trips 21 Ext Inp 2 Trips 22 Ext Inp 3 Trips 23 Ext Inp 4 Trips 24 Press ENTER to Clear Statistics 25 Motortronics Inc Page 65 CTi Automation Phone 800 894 0412 Fax 208 368 0415 Web www ctiautomation net Email info ctiautomation net
22. 60 seconds Coast Down Time Range 1 60 minutes Range 1 6 successful starts per hour Time between starts 1 60 minutes between start attempts Page 1 CTi Automation Phone 800 894 0412 Fax 208 368 0415 Web www ctiautomation net Email info ctiautomation net PROGAMMABLE OUTPUTS Type Rating Form C SPDT Rated 5 amps 240 VAC max 1200 VA Run Indication Programmable At Speed Indication Programmable Programmable Ramp Types Voltage or Current Ramp VR or CR Starting Torque 0 100 of line voltage VR or 0 600 of motor FLA CR Acceleration Adjustments Ramp Time 1 to 120 seconds Current Limit 200 500 VR or CR Power Ramp 0 300 4 Options VR1 VR2 VR1 CR2 CR1 CR2 CR1 VR2 Dual Ramp Settings Dual Ramp Control Ramp 1 Default Ramp 2 selectable via dry contact input Begin Decel Level 80 100 of line voltage Deceleration Adjustments Stop Level 0 to 1 less than Begin Decel Level Decel Time 1 60 seconds Jog Settings Voltage Jog 5 75 Kick Voltage 10 10096 Kick Time 0 1 2 seconds Shorted SCR Phase Loss Shunt Trip Phase Imbalance Trip Overload Overtemp Overcurrent Short Circuit Load Loss Undervoltage or Any Trip Lockout Display Coast Down Time Starts Per Hour Time Between Starts and Any Lockout Kick Start Settings Fault Display EVENT HISTORY Data includes cause of event time date voltage
23. CTi Automation Phone 800 894 0412 Fax 208 368 0415 Web www ctiautomation net Email info ctiautomation net 5 2 Setpoints Menu and Parameter Explanation SP1 SP13 SP 1 Basic Configuration Setpoint Page 1 In Setpoint Page 1 is used to setup basic nameplate data of the motor MENU Page 1 MOTOR FULL LOAD AMPS Basic Configuration 200AMPS SERVICE FACTOR Range 1 00 1 3 1 15 X FLA Increments of 0 01 OVERLOAD Range 5 30 CLASS 10 Increments of 5 NEMA DESIGN INSULATION AT BLASS B Range A S LINE VOLTAGE Range 100 20 000 INPUT 4160 VOLTS Model dependent LINE FREQUENCY H TT HZ 60 ange 50 or SP1 1 Motor Full Load Amps FLA Allows the user to enter the motor s FLA rating Range of adjustment is 50 10096 less programmed service factor SP1 2 Service Factor Sets the pickup point on the overload curve as defined by the programmed motor full load current Ex If the motor FLA is 100 and the service factor is 1 15 the overload pickup point will be 115 Amps Motortronics Inc Page 36 CTi Automation Phone 800 894 0412 Fax 208 368 0415 Web www ctiautomation net Email info ctiautomation net SP1 3 Overload Class Choose the motor protection overload class range from 5 30 Ex Overload Class 10 will trip 10 seconds at six times 1x10 1000 100 Overload C
24. Contactor and energizes de energizes the Contactor Factory wired Motortronics Inc Page 14 CTi Automation Phone 800 894 0412 Fax 208 368 0415 Web www ctiautomation net Email info ctiautomation net 2 2 3 Description of Jumper Selections and Functions Jumper Selection Jumper Time Delay Function Start Delay DLY C X1 Cycles This is a selectable delay period between the initiations of a Start command and when the CPU actually receives the signal Auxiliary Start Delay E AUXG This is selectable delay period from the initiation of a Start command PFC Contactor Delay 5 Cycles This is selectable delay period between when the Bypass Contactor closes to when the Power Factor Capacitors Contactor is activated Motor Protection Jumper When this jumper is in place the CPU will be disabled during operation in the JP1 N A Emergency Bypass Mode this case insure that there is an external means of overload protection When the jumper is removed the CPU will be enabled to provide electronic motor protection when operating in the Emergency Bypass Mode DIP Switches Switch Function swt ON Sets Dual Adjustment OFF Disabled SW2 Not Used Sets the SW3 SW4 SW5 are 7 position DIP Switches that use binary coding to set the value SW3 Start Delay o Value of the time de
25. Fax 208 368 0415 Web www ctiautomation net Email info ctiautomation net Other starting methods available the soft starter are e Current Ramp Uses a closed loop current feedback algorithm to provide a linear current increase up to a Maximum Current level e Constant Current current is immediately increased to the Current Limit point and held there until the motor reaches full speed e Power KW Ramp Uses a True RMS KW feedback PID loop to provide a linear increase in True RMS motor power to a maximum set KW value e Custom Curve Gives the user the ability to plot torque and time points on a graph The soft starter will then accelerate the motor following these points e Tachometer Feedback Ramp uses a closed loop speed follower method monitoring a tachometer input signal from the motor or load shaft to provide a linear RPM acceleration 1 5 2 Deceleration The soft starter provides the user with the option of having the load coast to a stop or controlling the deceleration by slowly reducing the voltage to the motor upon initiating a stop command The Decel feature is the opposite of DC injection braking in that the motor will actually take longer to come to a stop than if allowed to coast to a stop The most common application for the Decel feature is pumping applications where a controlled stop prevents water hammer and mechanical damage to the system 1 6 General Protection The Soft Starter is provided with a built in motor
26. In order for the REMAINING motor to successfully start the percentage must be greater than the thermal capacity required for a successful start THERMAL CAPACITY TO START Screen 6 Displays the thermal capacity required to successfully start the motor AVERAGE START TIME TIME SECS Screen 7 Displays the average time required to start AVG START CURENT HHH AMPS Screen 8 Displays the average current during start TO START IT AE Screen 9 Displays the measured I2T required to start the motor LAST START Screen 10 Displays the amount of time required to start the motor during the last TIME SEC successful start Motortronics Inc Page 67 CTi Automation Phone 800 894 0412 Fax 208 368 0415 Web www ctiautomation net Email info ctiautomation net MP 2 Metering Metering Page 2 Displays the soft starter statistical voltage metering information MENU 2 VOLTAGE amp POWER DATA Vab Vbc P F Screen 1 Displays Phase A and Power Factor Note P F N A Motor stopped P F LG Lagging P F LD Leading IA HHHH IB HEHEH IC GIF HEH Screen 2 Displays Phase A B C and Ground Fault Current kW HHHHE M kVA Screen 3 Displays kW and
27. Range 5 30 29 Range 5 30 Off J Increments of1 Range 1 0 20 0 SEC of 0 1 P UNDERCURRENT ALARM LEVEL OFF 10 90 Increments of 1 a saa UNDERCURRENT ALARM DELAY 2 0 SEC Range 1 0 60 0 SEC Increments of 0 1 9 OVERCURRENT ALARM LEVEL OFF Range 100 300 Off Increments of 1 OVERCURRENT ALARM DELAY 2 0 SEC Range 1 0 20 0 SEC Off Increments of 0 1 4 OVERCURRENT TRIP LEVEL OFF Range 100 300 Increments of 1 p OVERCURRENT TRIP DELAY 2 0 SEC Range 1 0 20 0 SEC _ Increments of 0 1 P PHASE LOSS TRIP PHASE LOSS TRIP DELAY 0 1 SEC ENABLED Options Enabled or Disabled p Range 1 0 20 0 SEC Increments of 0 1 7 PHASE ROTATION DETECTION ABC PHASE ROTATION TRIP DELAY 1 0 SEC Range ABC ACB or Disabled Range 1 0 20 0 SEC Increments of 0 1 GROUND FAULT ALARM LEVEL OFF Range 5 90 Off Increments of 1 GROUND FAULT ALARM DELAY 0 1 SEC Range 1 0 20 0 SEC Increments of 0 1 GROUND FAULT LOSET TRIP LEVEL OFF Range 5 90 Off Increments of 1 gt GROUND FAULT LOSET TRIP DELAY 0 5 SEC Range 1 0 20 0 SEC Increments of 0 1 GROUND FAULT HISET TRIP LEVEL OFF Range 5 90 Increments of 1
28. SEC Increments of 1 CURVE A CURRENT CUSTOM CURVE A VOLTAGE LEVEL 8 100 Range 0 100 Increments of 1 LIMIT 350 FLA Range 200 500 Increments of 10 CURVE B VOLTAGE LEVEL 1 25 Range 0 10096 Increments of 1 CURVE 1 2 Range 1 60 SEC Increments of 1 CURVE VOLTAG LEVEL 2 30 Range 0 100 Increments of 1 CURVE B RAMP CUSTOM CURVE B Cont Range 0 10096 Increments of 1 CURVE B Y TIME 2 2 SEC Range 1 60 SEC Increments of 1 CURVE B VOLTAGE LEVEL 3 37 lt zu CURVE B RAMP TIME 3 2 SEC Range 1 60 SEC E Increments of 1 J CURVE B VOLTAG LEVEL 4 45 Range 0 100 Increments of 1 CURVE B RAMP TIME 4 2 SEC Range 1 60 SEC Increments of 1 CURVE B VOLTAGE LEVEL 5 55 Range 0 100 Increments of 1 CURVE TIME 5 2 SEC Range 1 60 SEC Increments of 1 CUSTOM CURVE C ml CURVE B VOLTAGE LEVEL 6 67 Range 0 10096 Increments of 1 CURVE B RAMP TIME 6 2 SEC Range 1 60 SEC Increments of 1 CURVE B VOLTAGE LEVEL 7 82 Range 0 10096 Increments of 1 CURVE B RAMP TIME 7 2 SEC Range 1 60 SEC Incr
29. Setpoint will be the base point for the RTD biasing of the Thermal Register e Motor Design Run Temperature Use the data from the motor manufacturer s specifications This Setpoint defines the operating temperature rise of the motor at full load amps or 100 load e Motor Stator Max Temperature This represents the maximum temperature the stator insulation will withstand The user may choose to use the temperature setting of the insulation class selected in Setpoint Page 1 or enter a specific maximum temperature This value should not exceed the stator s insulation temperature This maximum temperature represents 10096 thermal capacity e U B Input to Thermal Register Always enabled It allows the soft starter to use the line current imbalance information to bias the Thermal Register Motortronics Inc Page 61 CTi Automation Phone 800 894 0412 Fax 208 368 0415 Web www ctiautomation net Email info ctiautomation net e User Calculated or Assign When the Setpoint is set to ON the soft starter will calculate the k constant factor for biasing the thermal register or the user may choose to assign the k value e SP12A4 Press Enter to CLR Thermal Register Allows the level three password user to clear the thermal register for emergency restarts METERING DATA METERING DATA PAGE 1 SCREEN 1 Enter Metering Page 1 4 Enter Metering Screen Number for display P Number for display RTD FAILURE ALARM PAGE 12 DEFAU
30. Trip Level Typically used to trip the motor on a low level of ground current leakage This Setpoint is intended to detect high impedance faults Ground Fault Loset Trip Delay The amount of time that the ground fault condition must exist before a trip will occur Ground Fault Option must be installed SP3 10 Ground Fault Hiset Trip Level Used to trip the motor within milliseconds upon detecting a high level of ground current leakage This Setpoint is intended to detect low impedance faults Ground Fault Hiset Trip Delay The amount of time that the ground fault condition must exist before a trip will occur SP3 11 Overvoltage Alarm Level Typically used to indicate when the line voltage is too high This is an alarm level Overvoltage Alarm Delay The amount of time that the overvoltage condition must exist before an alarm occurs Motortronics Inc Continued From Previous Page UNDERVOLTAGE ALARM UNDERVOLTAGE ALARM LEVEL OFF DELAY 1 0 SEC eee Range 1 0 30 0 SEC nere Increments of 0 1 NCE MENSON UNDERVOLTAGE TRIP UNDERVOLTAGE TRIP LEVEL 15 DELAY 2 0 SEC Range 5 30 Increments of 1 P Range 1 0 30 0 SEC Increments of 0 1 LINE FREQUENCY TRIP WINDOW DISABLED LINE FREQUENCY TRIP DELAY 1 0 SEC Range 0 6 Disabled y Range 1 0 20 0 SEC Increments of 1 Increments of 0 1
31. and Ground Settings Setpoint Page 3 30 5 1 4 Relay Assignments Setpoint Page 4 2 31 MVC Plus User Manual 2 3 7 2kV Class 5 1 5 Relay Configuration Setpoint Page 5 32 5 1 6 User I O Configuration Setpoint Page 6 32 5 1 7 Custom Acceleration Curve Setpoint Page 7 33 5 1 8 Overload Curve Configuration Setpoint Page 8 33 5 1 9 RTD Option Configuration Setpoint Page 9 34 5 1 10 RTD Password Level Configuration Setpoint 10 35 5 1 11 Communication Setpoint Page 11 tite tbe to e te te Sol Ree ee i sede etus 35 5 1 12 System Setpoint Page 12 Eb Et eb Eu 35 5 1 13 Calibration and Service Setpoint Page 13 004 35 5 2 Setpoints Menu and Parameter Explanation 36 65 SP1 Basie Configuration eR MC m 36 Starter confit AU OFT dot an Cat 37 42 Fig SP2 3 Example of Switching from Jog to Start Ramp 1 Type Voltage 39 Fig SP2 4 Power RAMP tirer ima er RR 41 SP 3 Phase amp Ground Selle ee deiade ru 43 46 Fig SP3 5 Overcurrent Trip Delay Grapes deii a etn
32. before a trip will occur SP3 13 Undervoltage Alarm Level Typically used to indicate when the line voltage is too low This is an alarm level Undervoltage Alarm Delay The amount of time that the undervoltage condition must exist before an alarm occurs SP3 14 Undervoltage Trip Level Typically used to indicate that the line voltage is too low at which point a trip occurs Undervoltage Trip Delay The amount of time that the undervoltage condition must exist before a trip occurs SP3 15 Line Frequency Trip Window The acceptable amount of drift above or below the line frequency Hz before a trip is generated Line Frequency Trip Delay The amount of time that the frequency drift condition must exist beyond the window before a trip occurs SP3 16 Power Factor Lead Alarm Typically used to indicate a leading power factor Power Factor Lead Alarm Delay The amount of time that the power factor lead condition must exist beyond the window before an alarm occurs SP3 17 Power Factor Lead Trip The acceptable amount of power factor lead before a trip is generated Power Factor Lead Delay The amount of time that the power factor lead condition must exist beyond the window before a trip will occur SP3 18 Power Factor Lag Alarm Typically used to indicate a lagging power factor Power Factor Lag Alarm Delay The amount of time that the power factor lagging condition must exist beyond the window before an alarm occurs SP3 19 Powe
33. easy identification e External Input 1 Factory programmed for TCB Fault e External Input 2 If used this Setpoint must be enabled Name Ext Input 2 The user can assign a description name to the input to easily identify the cause of external trip or alarm Up to 15 characters including spaces can be used to assign the name e External Input 2 Type The external input can be set as either a normally open or normally closed contact e External Input 2 Time Delay Upon a change in contact setting the unit will wait the programmed amount of time before generating an output If no delay is needed then input 0 seconds The controller will post an event upon seeing a change in state External Input 3 The setup screens and Setpoints for External Input 3 includes the option of being configured for Dual Ramp In Dual Ramp mode the initial contact setting is the same as the START RAMP 1 Upon a change in input contact state the controller will switch over to START RAMP 72 and use that setting for start control mode Note The start RAMP types should only be switched while the motor is stopped In Setpoint Page 4 Relay Assignments do not assign any output relay to this function The controller is programmed with External input programmed for dual ramp If it is not needed disable the dual ramp External Input 4 These input screens are for the thermostat input and can be enabled or disabled Note It is recommended that
34. interchange the input and output power connections on the Ux rok unit This will cause excessive voltage to the control circuit logic Failure to follow this instruction will cause severe equipment damage serious injury or death e For bus protection it is strongly recommended to use MOV Type lightning arrestors in areas where lightning is a significant problem The arrestors should be mounted on the nearest utility pole at the Station or optionally included with the unit at the time of order e Medium Voltage cables can have significant capacitance values by design which can elevate Di Dt thru the SCRs to unsafe levels Compensating inductors can limit these values to safe levels Contact the factory if you need more information on this subject Motortronics Inc Page 10 CTi Automation Phone 800 894 0412 Fax 208 368 0415 Web www ctiautomation net Email info ctiautomation net 2 2 Control Connections TCB Terminal and Control Board 2 2 1 TCB Board The TCB board FIG 2 2 1 shown below provides interconnections between the main power and CPU boards and the customer s control logic connections It is a 120 VAC control board with several auxiliary dry contacts built in time delay circuits and an emergency bypass function It also controls the inline isolation and bypass contactor and provides provisions for shutdown interlocks See Section 2 2 2 for terminal designations and descriptions Relay Operates
35. of 1 SET LINK BAUD RATE 9 6 KB SEC REMOTE START STOP DISABLED Range 2 4 4 8 9 6 19 2 38 4 KB SEC Option Enabled or Disabled Page 60 CTi Automation Phone 800 894 0412 Fax 208 368 0415 Web www ctiautomation net Email info ctiautomation net SP 12 System Setpoints Setpoint Page 12 Security Level 3 SP12 1 Default Display Screen This Setpoint group allows the user to choose the default screen the Soft Starter displays while the motor is running Select the metering page number 1 3 then select the metering screen number The range varies depending on the selected page To display a default screen program the following two Setpoints e Metering Data Page Range is Page 1 3 e Metering Data Screens If Page 1 is selected as the default page then Screens 1 10 are available If Page 2 Screens 1 29 are available If Page 3 is selected then Screens 1 6 are available See Metering Menu MP 1 for Screen number assignment SP12 2 Alarms Configures the RTD failure alarm when RTD option is included and the thermal register alarm RTD Failure Alarm If enabled and an RTD shorts or open an alarm occurs Only if RTD option is installed Thermal Register Alarm Sets a level in the thermal register to generate an alarm when the Thermal Register Capacity Used has exceeded this level e Thermal Alarm Delay The amount of time that the Thermal Register Used must exceed the S
36. power factor are measured on a cycle by cycle basis and applied to the Power Ramp algorithm The CPU then calculates the True RMS motor power and will control the SCR firing to deliver the programmed power ramp values to the motor A Maximum Power Initial Power gt t Power Ramp FIG SP2 4 e Initial Power The Initial power set point allows the user to define an initial KW motor power value that will be applied to the motor at the beginning of the start sequence Ramp Time 2 See Ramp Time 1 for description e Maximum Power Sets the maximum motor power the starter will allow during the acceleration As the motor begins to ramp the Maximum Power sets a limit SP2 5 Kick Start Used as an initial energy burst in applications with high friction loads Kick Start Voltage The initial voltage as a percent of full voltage value that is needed to start the motor i e Breakaway or Initial Torque e Kick Start Time The time the initial torque boost is applied Motortronics Inc Page 41 CTi Automation Phone 800 894 0412 Fax 208 368 0415 Web www ctiautomation net Email info ctiautomation net SP2 6 Deceleration Allows the motor to gradually come to a soft stop e Start Deceleration Voltage Upon receiving a STOP command the output voltage initially drops to this voltage Represented as a percent of voltage value Stop Deceleration Voltage The drop off point of the deceleration ramp Pe
37. protection relay that can be programmed for primary protection of the motor load system Operation of the Soft Starter can be divided into 4 modes Ready Start Run and Stop 1 6 1 Ready Mode this mode control and line power are applied and the Starter is ready for a start command Protection during this mode includes the monitoring of current for leakage through multiple shorted SCRs or welded contacts on the Bypass Contactor Other protection features in effect are Starter Power Pole Temperature Shorted SCR Blown Fuse Indication Phase Reversal if enabled Line Frequency Trip Window External Input Faults Digital Input Faults are active in all modes Note The Programming Mode can only be entered from the Ready Mode Any attempt to enter data while the motor is starting or running will be blocked During programming all protection features and start command are disabled 1 6 2 Start Mode These additional protection functions are enabled when the Soft Starter receives a valid Start command Phase Reversal if enabled Phase Reversal will still be on and is not a newly activated feature when starting Start Curve Acceleration Timer Phase Imbalance Short Circuit Load Pre check Toe in the Water Ground Fault Optional External Input Faults Accumulated Starting FLA Units I2t Protection Starting Overload Protection Curve Selection Thermal Capacity Note Shorted SCR protection is no longer in effect once th
38. starting eliminates the Soft Start voltage current ramp and instead maximizes the effective application of motor torque within the limits of the motor In this mode Setpoint RAMP TIME 1 is set to minimum so that the output current jumps to the current limit setting immediately Typically used with a limited power supply when starting a difficult load such as a centrifuge or a deep well pump when the motor capacity is barely adequate stall condition or overloading occurs or if other starting modes fail Since ramp times are set to minimum START RAMP 1 TYPE is set to either VOLTAGE or CURRENT Initial Torque Initial Voltage 1 or Initial Current 1 Sets the initial start point of either Voltage Ramp or the Current Ramp Every load requires some amount of torque to start from a standstill It is inefficient to begin ramping the motor from zero every time since between zero and the WK2 break away torque level no work is being performed The initial torque level should be set to provide enough torque to start rotating the motor shaft enabling a Soft Start and preventing torque shock damage Setting this start point too high will not damage the starter but may reduce or eliminate the soft start effect Ramp Time 1 Sets the maximum allowable time for ramping the initial voltage current torque or power setting to either of the following e The Current Limit setting when the motor is still accelerating e Full output voltage if the Curren
39. this function remain enabled If the thermostat indicates an over temperature condition the controller will trip the motor Motortronics Inc Page 51 CTi Automation Phone 800 894 0412 Fax 208 368 0415 Web www ctiautomation net Email info ctiautomation net SP 7 Custom Acceleration Curve Setpoint Page 7 Security Level 3 SP7 1 Setpoint Page 7 allows the user to custom design the acceleration curve start curve for a specific application The custom design setup allows for up to three different curves in the Soft Starter Only one curve can be active enabled at any given time Each of the three curves allow for eight voltage plotting points with corresponding ramp times and a current limit setting Note Each successive voltage level must be programmed to a voltage level equal to or greater than the previous level All eight voltage levels must be programmed and the eighth level has been preset at 100 f Custom Accel Curve has been set to curve A Bor C on this page the Soft Starter will override the Start Control Mode selected in Setpoint Page 2 even if Start Control Mode in Setpoint Page 2 has not been set to Custom Accel Curve Motortronics Inc MENU DOWN ARROW six times p Page 7 Custom Acceleration Curve CUSTOM ACCEL CURVE DISABLED Ranae DISABLED CURVEA BorC J CUSTOM CURVE A Continued on next page LEVEL
40. to 15 Characters RTD 12 Alarm Level Off 0 240C 32 464F Off RTD 12 Trip Level Off 0 240C 32 464F Off Motortronics Inc Page 34 CTi Automation Phone 800 894 0412 Fax 208 368 0415 Web www ctiautomation net Email info ctiautomation net 5 1 10 Password Level Configuration Setpoint Page10 tpoint ecurit MN ettin Description 9 Section Page Level Default Page 10 Level 3 Set Level 2 Password 100 000 999 Three Digits SP10 1 Password Password Set Level 3 Password 1000 0000 9999 Four Digits SP10 2 5 1 11 Communications Configuration Setpoint Page11 Setpoint Security Description Factory Setting Section Level Default Set Front Baud Rate 9 6 KB sec 2 4 4 8 9 6 19 2 38 4 KB sec SP11 1 Set Modbus Baud Rate 9 6 KB sec 2 4 4 8 9 6 19 2 38 4 KB sec SP11 2 a Level 3 Modbus Address Number 247 1 247 SP11 3 cations Password Set Access Code 1 1 999 5 11 4 Set Link Baud Rate 38 4 KB sec 2 4 4 8 9 6 19 2 38 4 KB sec SP11 5 Remote Start Stop Disabled Enabled or Disabled SP11 6 5 1 12 System Setpoint Page 12 Setpoint Security Description Factory Setting Range Section Level Default Default Display Screen Metering Data Page 1 Enter Metering Page 1 4 Enter Metering Screen Metering Data Screen 1 E med Page 3 1 29 Page 4 1 6 A
41. values 9 Displays Megawatt hours used 10 Press enter to clear statistics on MWH values 11 6 1 3 RTD Option Values Metering Page 3 ud Description of Display Screen Hottest stator RTD 1 6 1 Hottest non stator RTD 7 12 2 Temperature of start phase A1 and F 3 5 Maximum temperature for RTD 1 4 Lo Same as Screens 3 4 for RTDs 2 12 5 26 a Clear the maximum temperature register Level 3 password required 27 Measured running thermal stabilization time of motor in minutes 28 Measured stopped cooling time to ambient of motor in minutes 29 6 1 4 Status Metering Page 4 sii Description of Display Screen Current status 1 Amount of time remaining before an overload trip occurs 2 Amount of time remaining from a thermal inhibit signal 3 Coast down time remaining 4 5 6 Amount of time remaining before a start command can be given Excessive number of starts per hour Motortronics Inc Page 64 CTi Automation Phone 800 894 0412 Fax 208 368 0415 Web www ctiautomation net Email info ctiautomation net 6 1 5 Event Recorder Metering Page 5 Metering age Description of Display A Displays the event with date and time Up to 60 events 1 Displays Phase C current values Ground Fault Option at time of trip 1A 42 9 Displays Vab Vbc and Power Factor at time of trip 1B
42. z o lt or 9 re 2 aS NoTE 4 5 55 27 li m er Li g GROUND FAULT o BOARD 199 si Optional NOTE 1 See FIG 2 2 1 for TCB Board MVC3 GF CT 179 detailed connections _ IE 9 FIBER OPTIC 55 To SCR Power Section ay Nl SC FIG 2 4 Typical Wiring Diagram Motortronics Inc Page 20 CTi Automation Phone 800 894 0412 Fax 208 368 0415 Web www ctiautomation net Email info ctiautomation net Chapter 3 Start up 3 1 Introduction It is best to operate the motor at its full load starting condition to achieve the proper settings Initial settings are set to accommodate most motor conditions TRY INITIAL SETTINGS FIRST See Section 5 1 2 Starter Configuration Set Point Page 2 to make any adjustments 3 2 Acceleration Adjustments The unit is set at the factory with typical starting characteristics that perform well in most applications When the system is ready to start try the initial settings If the motor does not come up to speed increase the current limit setting If the motor does not start to turn as soon as desired raise the Initial voltage adjustment Adjustment description and procedures are described as follows See Section 5 1 2 Starter Configuration Set Point Page 2 for additional Accel settings 3 2 1 Initial Voltage Factory Setting 20 of line voltage Range 0 100 of line voltage Initial voltag
43. 0 0 65535 99 2 User Programmable External d 9 Inputs D TCB Fault Enabled User Defined up to 15 Characters 9 6 Name Ext Input 1 TCB Fault Normally Open or Closed TCB Fault Type NO 0 60 sec TCB Fault Time Delay 1 sec Enabled or Disabled External Input 2 Disabled User Defined up to 15 Characters Name Ext Input 2 NO Normally Open or Closed External Input 2 Type 0 sec 0 60 sec SP6 5 External Input 2 Time Delay Dual Ramp Enabled or Disabled or Dual Ramp Dual Ramp Dual Ramp User Defined up to 15 Characters Name Ext Input 3 NO Normally Open or Closed Dual Ramp Type 0 sec 0 60 sec Dual Ramp Time Delay Enabled Enabled or Disabled Thermostat Thermostat User Defined up to 15 Characters Name Ext Input 4 NC Normally Open or Closed Thermostat Type 1 sec 0 60 sec Motortronics Inc Page 32 CTi Automation Phone 800 894 0412 Fax 208 368 0415 Web www ctiautomation net Email info ctiautomation net 5 1 7 Custom Acceleration Curve Setpoint Page 7 pn iesu y Description ES ting Section Custom Accel Curve Disabled Disabled Curve A B or C Custom Curve A Curve A Voltage Level 1 25 0 100 Curve A Ramp Time 1 2 sec 1 60 sec Curve A Voltage Level 2 30 0 100 Curve A Ramp Time 2 2 sec 1 60 sec Curve A Voltage Level 3 37 0 100 gt 3 2 sec 1 60 sec 8 A Voltage Level 4 4596 0 10096 5 8 Curve A Ramp Time 4 2 sec 1 60
44. 00 7200 V 18000 V Series PIV Rating Devices Series Devices PIV Rating Voltage Voltage 1 5 Theory of Operation The Soft Starter is CPU controlled using a microprocessor based protection and control system for the motor and starter assembly The CPU uses Phase Angle Firing control of the SCRs to apply a reduced voltage to the motor and then slowly and gently increases torque using voltage and current control until the motor accelerates to full speed This starting method lowers the starting current of the motor reducing electrical stresses on the power system and motor It also reduces peak starting torque stresses on both the motor and mechanical load promoting longer service life and less downtime 1 5 1 Acceleration The soft starter comes standard with several methods of accelerating the motor so that it can be programmed to match almost any industrial AC motor application The factory default setting applies a Voltage Ramp with Current Limit as this has been proven to be the most reliable starting method for the vast majority of applications Using this starting method the Initial Voltage setting applies just enough voltage to cause the motor shaft to begin to turn This voltage is then gradually increased over the Ramp Time setting until one of two things happen the motor accelerates to full speed or the Ramp Time expires and the Current Limit setting is reached If the motor accelerates t
45. 100 96 E s Ramp Time 2 10 sec 1 120 sec 2 9 Maximum Power 2 80 0 300 Kick Start Type Disabled Voltage or Disabled SP2 5 Kick Start Voltage 65 10 100 Kick Start Time 0 50 sec 0 10 2 00 Deceleration Disabled Enabled or Disabled Start Deceleration Voltage 10096 80 100 96 SP26 Stop Deceleration Voltage 3096 0 79 Deceleration Time 5 sec 1 60 sec Timed Output Time Off 1 1000 sec Off SP2 7 Run Delay Time 1 Sec 1 30 sec Off SP2 8 At Speed Delay Time 1 Sec 1 30 sec Off SP2 9 Bypass Pull in Current 10096 FLA 90 30096 SP2 10 Motortronics Inc Page 29 CTi Automation Phone 800 894 0412 Fax 208 368 0415 Web www ctiautomation net Email info ctiautomation net 5 1 3 Phase and Ground Settings Setpoint Page 3 Setpoint Security Factory Setting Page Level Description Default Section Imbalance Alarm Level 15 FLA 5 30 Off SP3 1 Imbalance Alarm Delay 1 5 sec 1 0 20 0 sec Imbalance Trip Level 2096 5 30 96 Off Imbalance Trip Delay 2 0 sec 1 0 20 0 sec Undercurrent Alarm Level Off 10 90 96 Off SP3 3 Undercurrent Alarm Delay 2 0 sec 1 0 60 0 sec Overcurrent Alarm Level Off 100 300 96 Off Overcurrent Alarm Delay 2 0 sec 1 0 20 0 sec ibi Overcurrent Trip Level Off 100 300 96 Off SP3 5 Overcurrent Trip Delay 2 0 sec 1 0 20 0 sec Phase Loss Trip Enabled Enabled or Disable
46. 3 3 4 Deceleration Time Factory Setting 5 sec Range 7 0 60 sec The deceleration ramp time adjusts the time it takes to reach the stop voltage level set point The unit should be restarted and stopped to verify that the desired deceleration time has been achieved When calculating the number of starts per hour curve should be counted as a start curve For example recommended number of starts per hour 6 allowable starts with decel cycle per hour Note Do not exceed the motor manufacturer s recommended number of starts per hour 3 4 Sequence of Normal Operation It is best to operate the motor at its full load starting condition to achieve the proper time torque and ramp settings Initial settings are set to accommodate most motor conditions TRY INITIAL SETTINGS FIRST FOR Initial Voltage Current Limit Ramp Time See Section 5 1 2 Set point Page 2 to make any adjustments If the Decel function is enabled related parameters may also need adjusting to achieve optimal Decel performance Sequence e Close the disconnect switch to apply phase power Verify the power LED on the keypad comes MOTOR STOPPED READY TO START e Activate the start command the motor should start accelerating and the RUN LED will come ON MOTOR STARTING OVERLOAD ALARM 00 x FLA TIME TO TRIP XXX SECS Motortronics Inc Page 23 CTi Automation Phone 800 894 0412 Fax 208 368 0415 Web
47. 4 45 0 100 Increments of 1 Range 1 60 SEC Increments of 1 CURVE A VOLTAGE LEVEL 5 55 Range 0 10096 Increments of 1 CURVE A RAMP TIME 5 2 SEC Range 1 60 SEC Increments of 1 CURVE A VOLTAGE LEVEL 6 67 Range 0 10096 Increments of 1 CURVE A RAMP TIME 6 2 SEC Range 1 60 SEC Increments of 1 CURVE A VOLTAGE LEVEL 7 82 Range 0 100 Increments of 1 CURVE A RAMP TIME 7 2 SEC CURVE A VOLTAGE LEVEL 1 25 Range 0 100 Increments of 1 CURVE RAMP TIME 1 2 SEC Range 1 60 SEC Increments of 1 CURVE A VOLTAGE LEVEL 2 30 0 100 Increments of 1 J CURVE A RAMP TIME 2 2 SEC Range 1 60 SEC Increments of 1 a CURVE A VOLTAGE LEVEL ae 37 0 100 A 0 em Increments of 4 CURVE A RAMP TIME 3 2 SEC Range 1 60 BE Increments of 1 CURVE A VOLTAGE CURVE A RAMP TIME 4 2 SEC Range 1 60 SEC Increments of 1 Page 52 CTi Automation Phone 800 894 0412 Fax 208 368 0415 Web www ctiautomation net Email info ctiautomation net SP 7 Custom Acceleration Curve Setpoint Page 7 Continued Security Level 3 Continued from Prev page CUSTOM CURVE A RAMP CURVEA TIME 8 2 SEC Range 1 60
48. CCELERATION DECELERATION Ramp Time 1 Current Limit SHOCK WAVE gt gt L 7 xrx Stop Deceleration Mode TORQUE VOLTAGE Pump Control Soft Stop Vos 1 PRESSURE Starting Torque Level pump N Check Valve uM NO SHOCK WAVE FIG 3 3 Deceleration Control Another common application for decel control is on material handling conveyors as a means to prevent sudden stops that may cause products to fall over or to bump into one another In overhead crane applications soft stopping of the Bridge or Trolley can prevent loads from beginning to over swing on sudden stops Motortronics Inc Page 22 CTi Automation Phone 800 894 0412 Fax 208 368 0415 Web www ctiautomation net Email info ctiautomation net 3 3 2 Start Deceleration Voltage Factory Setting 100 of line voltage Range 80 100 of line voltage The step down voltage adjustment eliminates the dead band in the deceleration mode that is experienced while the Voltage drops to a level where the motor deceleration is responsive to decreased voltage This feature allows for an instantaneous drop in voltage when deceleration is initiated 3 3 3 Stop Deceleration Voltage Factory Setting 7 20 of line voltage Range 0 100 of line voltage The stop voltage level set point is where the deceleration voltage drops to zero
49. D BEARING lt END BEARING OFF END BEARING ALARM LEVEL OFF TRIP LEVEL OFF Range Range Range Range RTD 9 TYPE Les RTD 9 DESCRIPTION RTD 9 ALARM PR RTD 9 TRIP OFF RTD 9 LEVEL OFF LEVEL OFF Range Range Range RTD 10 TYPE gt RTD 10 DESCRIPTION RTD 10 ALARM RTD 10 TRIP OFF RTD 10 LEVEL OFF LEVEL OFF Range Range Range Range RTD 11 TYPE ER RTD 11 DESCRIPTION RTD 4 11 ALARM lo RTD 11 TRIP OFF RTD 11 LEVEL OFF LEVEL OFF Range 1 Range Range Range RTD 12 TYPE gt RTD 12 DESCRIPTION RTD 12 ALARM RTD 12 TRIP lt gt lt gt OFF RTD 12 LEVEL OFF LEVEL OFF Range Range Range Range Motortronics Inc Page 59 CTi Automation Phone 800 894 0412 Fax 208 368 0415 Web www ctiautomation net Email info ctiautomation net SP 10 Set Password Setpoint Page 10 Security Level 3 The soft starter has three levels of user programmable setpoint screens Level one setpoints do not require a password because the data contained in level one is basic nameplate data and starter control Level two setpoint screens require a three digit password to configure the protection schemes Level three setpoint screens require a four digit password to access the full range of protection and starter schemes
50. DECELERATION TIME 1 SEC TIME 5 SEC Page 38 CTi Automation Phone 800 894 0412 Fax 208 368 0415 Web www ctiautomation net Email info ctiautomation net SP2 Starter Configuration Setpoint Page 2 Menu Navigation SP2 1 Start Control Mode Dual Ramp Custom Accel Curve Jog Voltage Start Ramp 1 Start Ramp 2 Dual Ramp The dual ramp mode works in conjunction with External Input 3 This allows the user to switch between the two start ramps without having to reconfigure the start mode For details on configuring External Input 3 for DUAL RAMP see Setpoint Page 6 Custom Accel Curve Allows the user to custom design the acceleration start curve to the application See Setpoint page 7 for configuration setup Note If Custom Accel Curve has not been enabled in Setpoint page 7 the soft starter will ignore the start control mode and read this Setpoint as disabled SP2 2 Jog Voltage The voltage level necessary to cause the motor to slowly rotate SP2 3 Start Ramp 1 Type The ramp type can be setup for either Voltage or Current If Voltage is selected initial voltage ramp time and current limit are adjustable If Current is selected initial current ramp time and maximum current are adjustable Start Ramp 1 Type Voltage Voltage Ramping is the most reliable starting method because the starter will eventually reach an output voltage high enough to draw full current and develop full torque This method is us
51. ERCURRENT ALARM ALARM AUX2 NONE NONE SCR FAIL SHUNT ALARM ALARM AUX2 NONE NONE GROUND FAULT ALARM ALARM AUX2 NONE NONE UNDERCURRENT ALARM NONE NONE NONE MOTOR RUNNING AUX3 NONE NONE IMBALANCE ALARM ALARM AUX2 NONE NONE STATOR RTD ALARM NONE NONE NONE NON STATOR RTD ALARM NONE NONE NONE RTD FAILURE ALARM NONE NONE NONE SELF TEST FAIL TRIP AUX1 NONE NONE THERMAL REGISTER ALARM AUX2 NONE NONE ALARM ALARM AUX2 NONE NONE O V ALARM ALARM AUX2 NONE NONE POWER FACTOR ALARM NONE NONE NONE KW DEMAND ALARM NONE NONE NONE KVA DEMAND ALARM NONE NONE NONE KVAR DEMAND ALARM NONE NONE NONE AMPS DEMAND ALARM NONE NONE NONE TIMED OUTPUT NONE NONE NONE RUN DELAY TIME NONE NONE NONE AT SPEED AUX4 NONE NONE Ground fault option must be installed Motortronics Inc Page 47 CTi Automation Phone 800 894 0412 Fax 208 368 0415 Web www ctiautomation net Email info ctiautomation net SP 5 Relay Configuration Setpoint Page 5 Security Level 2 In Setpoint Page 5 the user can configure the four output relays as either fail safe or non fail safe and latching or non latching SP5 1 When a relay has been configured for Fail Safe and power is applied to the unit the relay will energize and its contacts will change state The relay will then de energize and its contacts revert back when an event occurs of if power is removed NOTE The relays in the soft starter will not prevent a start sequence unless they are wired in as interlock
52. LT ALARM DISABLED SYSTEM SETPOINTS DISPLAY SCREEN Option Enabled or Disabled MENU DOWN ARROW 11 TIMES THERMAL REGISTER THERMAL ALARM ALARM 90 DELAY 10 SEC Range Off 40 95 Range 1 20 SEC Increments of 1 Increments of 1 d COLD STALL TIME M CLASS Range O L CLASS 4 40 SEC Increments of 1 HOT STALL TIME 1 2 O L CLASS Range 1 2 O L CLASS ALARMS 4 40 SEC Increments of 1 STOPPED COOL DOWN TIME 30 MIN Range 10 300 MI Increments of 1 RUNNING COOL DOWN TIME 15 MIN Range 10 300 MIN Increments of 1 Y RELAY MEASURED COOL RATES DISABLED Option Enabled m Disabled THERMAL cc REGISTER THERMAL REGISTER SETUP MINIMUM 15 INFORMATION Range 10 50 Off increments of 1 J MOTOR DESIGN AMBIENT i TEMPERATURE 40 C Range 10 90 Increments of 1 PRESS ENTER TO CLR THERMAL MOTOR DESIGN RUN REGISTER TEMPERATURE 80 MAX Range 50 100 of Motor Stator Max Temp Increments of 196 MOTOR STATOR TEMPERATURE INS CLS Range Insulation Class 10 240 C Jncrements of 1 INPUT TO THERMAL REGISTER ENABLED Enabled or Disabled USE CALCULATED K OR ASSIGN 7 Range 1 50 ON Motort
53. NCE RTD 9 CLEAR RTD 9 C A Screen 21 Vv Screen 22 1 RTD 10 MAX TEMP SINCE RTD 10 CLEAR RTD 10 C A Screen 23 Y Screen 24 RTD 11 MAX TEMP SINCE RTD 11 HH F CLEAR RTD 11 A Screen 25 v Screen 26 t RTD 12 MAX TEMP SINCE RTD 12 C CLEAR RTD 12 C Screen 27 1 PRESS ENTER TO CLEAR MAX TEMP REGS lt Screen 28 1 MEASURED RUN COOL TIME MIN Screen 29 7 MEASURED STOPPED COOL TIME MIN Page 69 CTi Automation Phone 800 894 0412 Fax 208 368 0415 Web www ctiautomation net Email info ctiautomation net MP 4 Metering Metering Page 4 Displays the present status of the soft start Screen 1 Displays the present state of the unit as follows Screen 2 Displays the amount of time remaining before an overload trip will occur Screen 3 Displays the amount of time remaining from a thermal inhibit The inhibit time comes from the amount of thermal register remaining versus the amount of thermal capacity required to start Screen 4 Displays the coast down time remaining Backspin time The time remaining depends upon the user setting in Setpoint Page 8 Coast Down Time Screen 5 Displays the amount of time remaining before a start command can be given The time remaining depends upon the setting in Setpoint page 5 Screen 6 If the number of starts per hour has exceeded the setting in Setpoint
54. OFF Range Range Range Range STATOR PHASE B1 m RTD 3 DESCRIPTION STATOR PHASE B1 STATOR PHASE B1 TYPE OFF STATOR PHASE B1 ALARM LEVEL OFF TRIP LEVEL OFF Range Range Range Range STATOR PHASE B2 RTD 4 DESCRIPTION STATOR PHASE B2 PN STATOR PHASE B2 TYPE OFF STATOR PHASE B2 ALARM LEVEL OFF TRIP LEVEL OFF Range Range Range Range STATOR PHASE C1 5 DESCRIPTION STATOR PHASE C1 Lis STATOR PHASE C1 TYPE OFF STATOR PHASE C1 ALARM LEVEL OFF TRIP LEVEL OFF Range Range Range Range STATOR PHASE C2 prd RTD 6 DESCRIPTION STATOR PHASE C2 STATOR PHASE C2 TYPE OFF STATOR PHASE C2 ALARM LEVEL OFF TRIP LEVEL OFF Range Range Range Range END BEARING TYPE RTD 7 DESCRIPTION END BEARING los END BEARING OFF END BEARING ALARM LEVEL OFF TRIP LEVEL OFF Range Range Range RTD 9 TYPE RTD 9 DESCRIPTION PI RTD 9 ALARM P 9 TRIP OFF RTD 9 LEVEL OFF LEVEL OFF Range Range Range 10 RTD 10 DESCRIPTION RTD 10 ALARM RTD 10 TRIP RTD 10 LEVEL OFF LEVEL OFF Range RTD 11 TYPE RTD 11 DESCRIPTION RTD 11 ALARM 11 TRIP OFF RTD 11 LEVEL OFF LEVEL OFF Range RTD 12 RTD 12 DESCRIPTION gt R
55. OTAL PRESS ENTER TO overload trips since the last clearing of the TIME HOURS CLEAR RUN HOURS statistical data Screen 4 Screen 6 Displays the number of frequency trips and TOTAL TRIPS Imbalance trips S C TRIPS Screen 7 Displays the number of overcurrent trips Screen 5 1 Screen 16 Screen 8 Displays the number of Stator and non Stator START TRIPS PHASE LOSS TRIP RUN TRIPS TRIPS RTD Trips Screen 9 Displays the number of Ground Fault Hi and Screen 6 Sereen 1 t Lo Set trips FREQUENCY TRIPS TACH ACCEL TRIP mE TRIPS TRIPS Screen 10 Displays the number of acceleration time trips Screen 7 1 Screen 18 OVERCURRENT U V TRIPS Screen 11 Displays the number of start under curve TRIPS ON TRIPS mps Screen 8 1 Screen 19 a Screen 12 Displays the number start over curve trips STATOR TRIPS POWER FACTOR Screen 13 Displays the number of I2T start curve trips NON STATOR TRIPS TRIPS Screen 14 Displays the number of learned start curve ur Screen 20 t trips GIF HISET TRIPS PHASE REVERSAL Screen 15 Displays the number of fail shunt trips G F LOSET TRIPS TRIPS x Screen 16 Displays the number of phase loss trips Screen 10 1 Screen 21 Y Screen 17 Displays the number of tachometer ACCELERATION TIME SEA VOLTAGE acceleration trips TRIPS Screen 18 Displays the number of undervoltage and Screen 11 Y Screen 22 Y overvoltage tr
56. R Demand Alarm Pickup Off KVAR Off 1 100000 Amps Demand Alarm Pickup Off Amps Off 1 100000 Ground fault option must be installed Motortronics Inc Page 30 CTi Automation Phone 800 894 0412 Fax 208 368 0415 Web www ctiautomation net Email info ctiautomation net 5 1 4 Relay Assignments Setpoint Page 4 Setpoint Security Factory Setting Page Level Description Tei 2nd Section O L Trip Trip Only None None Trip Trip None None S C Trip Trip Only None None Overcurrent Trip Trip None None Stator RTD Trip None None None Non Stator RTD Trip None None None G F Hi Set Trip Trip None None G F Lo Set Trip Trip None None Phase Loss Trip Trip None None Accel Time Trip Trip Only None None Start Curve Trip Trip Only None None Over Frequency Trip None None None Under Frequency Trip Trip None None I I T Start Curve Trip None None None Learned Start Curve Trip None None Trip AUX1 Trip Only Alarm AUX2 Phase Reversal Trip None None AUX3 Overvoltage Trip Trip None None AUX4 Undervoltage Trip Trip None None AUX5 8 Power Factor Trip None None None Only Available in 8 Relay Tach Accel Trip None None None System Inhibits Trip Trip None None Notes h v Shunt Trip None None None AUX1 to AUXA are for 5 Bypass Discrepancy Trip Only None None deu a E
57. Reference chart Table or Drawing Number Table Drawing Number Specifications Design Features Unit PIV Ratings Setpoint Page 7 Displays Custom Acceleration Curve Electronics Keypad Operator Interface Setpoint Page 8 Displays Overload Curve Configuration TCB Board Layout and Connections Setpoint Page 9 Displays RTD Option Configuration TB1 TB2 amp TB3 Description Setpoint Page 10 Displays Set Password TB4 TB5 amp TB6 Description Setpoint Page 11 Displays Communications Setpoint Page 12 Displays System Setpoints Setpoint Page 13 Displays Calibration amp Service Metering Page List Metering Menu Metering Page 1 Displays Metering Data Metering Page 2 Displays Metering TB7 amp TB8 Description Jumper Selections Switch Settings LED Indicators Optional RTD Board Communications Board Layout amp Connections RS485 and RS422 Power Board amp Connections Metering Page 3 Displays RTD Values Metering Page 4 Displays Status CPU Board Layout amp Connections Typical Wiring Diagram Acceleration Adjustments Deceleration Adjustments Sequence of Operation Menu Navigation Changing Setpoints Example Setpoints Page List Setpoint Menu amp Parameter Explanation Setpoint Page 1 Displays Basic Configuration Overload Class Trip Curves Setpo
58. Rs Refer to Section 7 1 1 for the SCR testing procedure Environment Temperature over 122 Place unit in environment Single Phase Tri 5 p Trip AUX1 F ambient temperature temperature less than 122 F for for chassis units or panel version or less than 104 F for over 104 F ambient enclosed version temperature for enclosed version Check bypass contactor and wiring The At Speed delay is incorrectly Bypass failed to close programmed Reprogram back to factory default value Motortronics Inc Page 74 CTi Automation Phone 800 894 0412 Fax 208 368 0415 Web www ctiautomation net Email info ctiautomation net 7 1 Failure Analysis Continued Problem ED Display Phase Loss Overload Stall prevention Under Voltage Trip Self test Failure Line Frequency Trip Any Ground Fault Trip Short Circuit Trip Motortronics Inc AUX LED Possible Cause Solutions Relay Loss of 1 or more phases of power from Trip AUX1 utility or generated Check PONET source power Blown power fuses Check for short circuits Check motor nameplate versus mproper programming Trip AUX1 programmed parameters Possible load damage Check motor currents or jammed load Improper setting for Trip AUX1 motor load condition Verify current limit setting Damaged load Check for load failure Improper programming Check Setpoint setti
59. S Page 6 MENU User I O Configuration ENABLED d TACHOMETER SCALE i MANUAL TACH SCALE SELECTION DISABLED 4 0 mA 0 RPM Option Enabled or Disabled TACH ACCEL TRIP MODE SELECT DISABLED Range 0 3600RPM Increments of 5 MANUAL TACH SCALE 20 0 mA 2000 RPM Range 0 3600RPM TACH RAMP TIME 20 SEC Range 1 120 SEC Disabled Increments of 1 TACH UNDERSPEED TRIP PT 1650 RPM Range 0 3600RPM Increments of 5 Option Underspeed N A TACH OVERSPEED TRIP Overspeed or Disabled PT 1850 RPM Range 0 3600RPM Increments of 5 TACH ACCEL TRIP DELAY 1 SEC Range 1 60 SEC Increments of 1 v ANALOG OUTPUT 1 ANALOG OUTPUT 1 ANALOG OUTPUT 1 RMS CURRENT 0 0 20 250 A R 0 6553 0 posue 5 A RPM 0 3600 Hottest Bearing 0 200 C Hottest Stator RTD 0 200 RMS Current 0 6500A Motor Load 0 100096 KW 0 30000 KW OFF Increments of 1 2 v ANALOG OUTPUT 2 ANALOG OUTPUT 2 ANALOG OUTPUT 2 MOTOR LOAD 4mA 0 20mA 1000 Range See fis Output 1 A Range 0 65535 0 65535 b on Increments of 1 Increments of 1 v USER PROGRAMMABLE EXTERNAL INPUTS Continue on page 51 Motor
60. TB2 pins 1 amp 2 is closed 120 VAC 200VA Aux Control Power output Not Used olo NOJA RUJ N gt 2 Oo NO Normally Open Normally Closed Normally closed dry contact opens when Emergency stop is initiated e 2 Oo TB3 Fault Relay Outputs T Description 1 2 2 Form C relay output that transfer on blown fuse or disconnect open indication 3 NC 3 4 NO 2 Form C relay output that transfer on blown fuse or disconnect open indication 5 NC 7 C 8 NO 2 Form C relay output that transfer on any fault indication 9 NC 10 11 NO 2 Form C relay output that transfer on fault indication 12 NC Motortronics Inc Page 12 CTi Automation Phone 800 894 0412 Fax 208 368 0415 Web www ctiautomation net Email info ctiautomation net 2 2 2 Description of Terminal Connections Continued 4 Optional Relay Outputs Description 2 Form C time delay Aux relay output contacts Time delay starts when the Start commend is given COON 2 2 Form C time delay Aux relay output contacts Time delay starts when the At Speed condition is reached 10 C ideal for controlling a PFC contactor TB5 TCB Power T Description By connecting TB5 of multiple units in parallel PFC contactors will be inhibited from closing while a unit is 2 PFC soft starting PFCs that
61. TD 12 ALARM a RTD 12 TRIP OFF RTD 12 LEVEL OFF LEVEL OFF Range Range Range Range Motortronics Inc Page 57 CTi Automation Phone 800 894 0412 Fax 208 368 0415 Web www ctiautomation net Email info ctiautomation net SP 9 RTD Option Configuration Setpoint Page 9 Security Level 3 Note The RTD is an option Contact factory for additional information The Soft Starter is available with an optional RTD card that provides 12 programmable RTDs which are individually programmable for type The available types are 100 ohm platinum 100 ohm nickel 120 ohm nickel and 10 ohm copper Each RTD can be identified with a description name of up to 15 characters including spacing Also each individual RTD has it own alarm and trip level SP9 1 Use NEMA Temp for RTD Value When this Setpoint is enabled the Soft Starter will use the NEMA design insulation class to limit the maximum allowed range of the alarm and trip level The maximum allowed temperature range is 240 C or 464 SP9 2 Number Of RTD S Used for Stator Up to six RTDs can be assigned to monitor the stator of the motor SP9 3 RTD Voting When this is enabled the Soft Starter will not post a trip until 2 RTD s have exceeded the trip level This prevents nuisance RTD tripping SP9 4 RTD Setup Each of the 12 RTDs is configured in the following manner The first column is the RTD type the second column is the RTD description the thir
62. URVEC Range 0 10096 Increments of 1 CURVE C RAMP TIME 7 2 SEC Range 1 60 SEC Increments of 1 CURVE VOLTAGE LEVEL 8 100 Range 0 100 of 1 _ CURVE C RAMP TIME 8 2 SEC Range 1 60 SEC Increments of 1 CURVE C CURRENT LIMIT 350 FLA Range 200 50096 Increments of 10 Motortronics Inc Page 54 CTi Automation Phone 800 894 0412 Fax 208 368 0415 Web www ctiautomation net Email info ctiautomation net SP 8 Overload Curve Configuration Setpoint Page 8 Security Level 3 Configures the unit s start and run protection mode The unit has independent start and run curve protection and the settings can be based on the OL Class or set by the motor s locked rotor current and time SP8 1 Basic Run Overload Curve Run Curve Locked Rotor Time Set the locked rotor time to the OL Class default chosen in Setpoint Page 1 or set the time in seconds This is the time the locked rotor condition exists before a trip occurs Run Locked Rotor Current The current the motor draws with full voltage on the windings and no rotor movement as a percent of motor FLA Refer to the nameplate data or contact the motor manufacturer Coast Down Timer If enabled this prevents the motor from restarting for the programmed amount of time after a stop command is given
63. Web www ctiautomation net Email info ctiautomation net 3 3 Deceleration Adjustments Pump Control Decel control extends the stopping time on loads that would otherwise stop too quickly when power is removed Decel control provides smooth deceleration until the load comes to a stop Three adjustments optimize the deceleration curve to meet the most demanding requirements The unit is shipped from the factory with the Decel control feature disabled 3 3 1 Deceleration Applications Apply power and adjust the soft start before enabling or modifying the deceleration adjustments Both acceleration and deceleration adjustments should be made under normal load conditions The deceleration feature provides a slow decrease in the output voltage accomplishing a gentle decrease in motor torque during the stopping mode This is the OPPOSITE OF BRAKING in that it will take longer to come to a stop than if the starter were just turned off The primary use of this function is to reduce the sudden changes in pressure that are associated with Water Hammer and slamming of check valves with centrifugal pumps Decel control in pump applications is often referred to as Pump Control In a pump system liquid is being pushed uphill The force exerted by gravity on the column of liquid as it goes up hill is called the Head Pressure in the system The pump is sized to provide enough Output Pressure to overcome the Head Pressure and move the fluid up the pipe Whe
64. Y 4 A fem Cc i ara State LUI 74 MOTORTRONICS Solid State AC Motor Control Medium i Solid State Starter 2555855555 _ 23 72 OF MANUAL REV 6 03 COPYRIGHT 2012 01121301MN 01 05 12 ALL RIGHTS RESERVED MOTORTRONICS INC FIRMWARE VERSION 7 20 MVC Plus User Manual 2 3 7 2kV Class Table of Contents PAGE Chapter 1 Introduction ere GI GP OL ER HE ERE BRE RD ER n e Ree RR x Ka 1 BW DSN M M 1 1 2 SDOCITIGatIODS adt aan te rapa Secu one ch 1 2 1 9 gt a eren 3 1 4 Design Features 4 1 5 Theory of Operation cse eoe fa POE Ea ERES IR er EE C E IDEE 4 5 1 6 General PrOte Chon sd am cde putt cea peg De Sub De ca eT dp ae ca A elena 5 6 T4 Thetmial Overload PrOtectiOli occae oder tet tran sax I depu cx ee put 6 1 9 M M 7 WS EIS CUO CS kasi ak 8 Fig 1 9 Keypad Interface tme enit ani o uae nuu o Lug ER n kn RR E EX XE Re ak 8 Chapter 2 Connections
65. acinus 64 6 1 5 Event Recorder Metering Page 5 ade Si 65 6 1 6 Last Trip Metering Page 6 65 6 1 7 Statistics Metering Page 7 ciu e oet ndr e RR E x ER RR ER Rn RR UA 65 6 2 Metering Menu 66 Metering pr ick ud extre iit Ecke d 67 MEZ Metern eo operi ventres ae eei veces Mee drea oss Meere ors nen 68 RTD Val 69 ME A SIUS 70 MPS Event Recorder bU Events 71 MP Skast T Ape ciae feste opener feres sequ rive teu des este date nue deptette sequ mns dee ade dans 72 ee 73 Chapter 7 Maintenance and Troubleshooting 1 0012 74 Zo Failure Analysis ctetur daten et Oben daaa E Actu rib det dome 74 76 TOT SGR Testing Procedure ett ox bot do e te n A t ou a te 76 CTi Automation Phone 800 894 0412 Fax 208 368 0415 Web www ctiautomation net Email info ctiautomation net
66. ans of motor protection based on actual temperatures measurements inside the motor It runs independently of the Thermal Register Model and does not provide input to or bias that model e Dynamic Reset is another feature that adds reliability and consistency to the performance of the soft starter If a motor overload condition occurs and the Overload protection trips it cannot be reset until sufficient cool down time has elapsed This cool down time is determined by the Learned Thermal Capacity required to start the motor which must be regained before the overload can be reset This ensures sufficient thermal capacity for a successful restart of the motor e Retentive Memory provides continuous overload protection and true thermal modeling by means of a running back up of the thermal register even if power is lost Upon restoration of power the soft starter will read the Real Time Clock then recalculate and restore the thermal register to what it should be given the elapsed time and the cool down rate of the motor e Learned Reset Capacity is a feature that is unique to the Soft Starter By sampling the amount of thermal capacity used in the previous three successful starts the starter will not allow a reset until a sufficient amount of thermal capacity has been regained in the motor This prevents nuisance tripping and insures that unsuccessful start attempts which would otherwise use up the starts per hour capacity of the motor are not counte
67. are already on line will remain on line The lead unit in the parallel string requires TB5 pins 1 8 to be connected to the 120Vac source and neutral respectively 3 N TB6 Main and CPU Circuit Board Control Inputs T Description 3 s 120 Vac Control Power Input Main amp CPU Circuit Start Input 5 6 Fuse Blown Input Tz 8 Dual Ramp Input E Bypass Status Input Motortronics Inc Page 13 CTi Automation Phone 800 894 0412 Fax 208 368 0415 Web www ctiautomation net Email info ctiautomation net 2 2 2 Description of Terminal Connections Continued TB7 Main and CPU Circuit Board Control Outputs T Description 5 Run contacts AUX3 to the board Signal is used to hold the Main Contactor closed during deceleration To the TCB board indicating the status of AUX 1 At Speed Contacts AUX 4 used to signal the Bypass Contactor to close 7 Not Connected Not Used TB8 Control Inputs and Outputs T Description k N C dry contact input from blown fuse and or disconnect interlock 4 dry contact input from an external Overload Protection device Required if emergency bypass is used dry contact input from the Bypass Contactor for at speed indication Output connected to the Bypass Contactor and energizes de energizes the Contactor Factory wired 4 Output connected to the Inline Isolation
68. as a Dynamic Thermal Register system in the CPU that provides a mathematical representation of the thermal condition of the motor This thermal information is retained in memory and is monitored for excesses in both value and rate of change Inputs are derived from current values imbalances and optional RTD measurements making it dynamic to all processes involving the motor The Soft Starter monitors these conditions separately during the Start and Run modes to provide proper thermal protection at all times 1 7 1 Start Mode overload protection is selectable using one of three methods e Basic Protection 2t data is accumulated and plotted based an Overload Curve selected in programming This is programmed per NEMA Class 5 30 standard curves and is based on the Locked Rotor Current from the motor nameplate as programmed into the Soft Starter e Measured Start Capacity The user enters a measured amount of thermal capacity from a pre selected successful start as a set point to the Thermal Register for the soft starter to follow e Learned Curve Protection The user sets the soft starter to the LEARN mode and starts the motor under normal starting conditions The CPU then samples and records 100 data points during the start curve analyzes them and creates a graphical representation in memory The soft starter is then switched to Curve Follow protection mode and monitors motor performance against this curve This feature is especially u
69. cteristics Start the motor and allow it to come to full speed The start feedback enables the motor protection based on the learned start curve e Learned Start Curve Bias The maximum allowed deviation above or below the start curve before a trip is generated e Time for sampling The time the soft starter continues to sample the start curve characteristic during learn mode Motortronics Inc Page 56 CTi Automation Phone 800 894 0412 Fax 208 368 0415 Web www ctiautomation net Email info ctiautomation net MENU RANGES 420 OHM NICKEL NI DOWN ARROW 8 TIMES Page 9 RTD CONFIGURATION 100 OFM NICKEL ND Options ENABLED 10 OHM COPPER CU or DISABLED 100 OHM PLATINUM PT OFF OF RTD S USED OFF or 0 240C 32 464F Example TE E Increments of 1 Increments of 1 STATOR A1 STATOR A2 STATOR B1 STATOR B2 STATOR C1 STATOR C2 FRONT BEARING BACK BEARING BEARING BOX RTD VOTING AMBIENT NONE DISABLED Options ENABLED or DISABLED STATOR PHASE A1 lt gt RTD 1 DESCRIPTION STATOR PHASE A1 STATOR PHASE A1 TYPE OFF STATOR PHASE A1 ALARM LEVEL OFF TRIP LEVEL OFF Range Range Range Range STATOR PHASE A2 RTD 2 DESCRIPTION STATOR PHASE A2 PM STATOR PHASE A2 TYPE OFF STATOR PHASE A2 ALARM LEVEL OFF TRIP LEVEL
70. d 1 8 Firing Circuit The SCR gate firing circuit is critical to the performance and stability of the system The firing circuit includes several unique features which enhance the ruggedness noise immunity and flexibility for maximized performance These features include e Auto Synchronizing of the gate timing pulses match each phase firing angle to their respective phases The Soft Starter actively tracks minor shifts in the line frequency avoiding nuisance tripping that may happen with conventional gate firing systems This is especially useful on portable or backup generator supplies allowing the soft starter to be used confidently in applications that have unstable power e Sustained Pulse firing keeps the firing signal active for 270 electrical degrees ensuring that the DC gate pulse forces the SCR to fire even if line noise is present This provides the Soft Starter with superior noise immunity and protects against misfiring enhancing the soft starter system stability e Closed Loop Firing Control is a method of balancing the SCR firing pattern The CPU uses feedback signals from the output current and voltage providing to provide smooth output preventing imbalances during ramping which prevents unnecessary motor heating e Transformer Isolation of SCR firing information and signals prevents interference from line noise and EMI RFI that may be present Three phase isolation transformers provide potential measurement firing board timing w
71. d SP3 6 Phase Loss Trip Delay 0 1 sec 0 20 0 sec Phase Rotation Detection ABC ABC ACB or Disabled SP3 7 Phase Rotation Trip Delay 1 0 sec 1 0 20 0 sec Ground Fault Alarm Level Off 5 90 95 Off SP3 8 Ground Fault Alarm Delay 0 1 sec 0 1 20 0 sec Ground Fault Loset Trip Level Off 5 90 95 Off SP3 9 Ground Fault Loset Trip Delay 0 5 sec 0 1 20 sec 5 Ground Fault Hiset Trip Level Off 5 90 Off E SP3 10 8 5 Ground Fault Hiset Trip Delay 0 008 sec 0 008 0 250 sec e g Overvoltage Alarm Level Off 5 30 Off 9 8 9 1 0 1 0 30 0 ias x S 4 5 Overvoltage Trip Level 1096 5 30 Off E Overvoltage Trip Delay 2 0 sec 1 0 30 0 sec RE 2 Undervoltage Alarm Level Off 5 30 Off SP3 13 Undervoltage Alarm Delay 1 0 sec 1 0 30 0 sec Undervoltage Trip Level 15 5 30 Off SP3 14 Undervoltage Trip Delay 2 0 sec 1 0 30 0 sec Line Frequency Trip Window Disabled 0 6 Hz Disabled SP3 15 Line Frequency Trip Delay 1 0 sec 1 0 20 0 sec P F Lead P F Alarm Off 0 1 1 00 Off P F Lead Alarm Delay 1 0 sec 1 120 sec ia P F Lead P F Trip Off 01 1 00 Off SP3 17 P F Lead Trip Delay 1 0 sec 1 120 sec P F Lag P F Alarm Off 01 1 00 Off SP3 18 P F Lag Alarm Delay 1 0 sec 1 120 sec P F Lag P F Trip Off 01 1 00 Off SP3 19 P F Lag Trip Delay 1 0 sec 1 120 sec Power Demand Period 10 min 1 60 min KW Demand Alarm Pickup Off KW Off 1 100000 KVA Demand Alarm Pickup Off KVA Off 1 100000 SP3 20 KVA
72. d column is the alarm level and the fourth column is the trip level The first six RTDs have been pre programmed with a description name for the STATOR with two RTDs per phase RTDs 1 amp 2 have been named STATOR PHASE A1 and A2 respectively RTDs amp 4 are named STATOR PHASE B1 and B2 RTDs 5 amp 6 are named STATOR PHASE C1 and C2 If other description names are required press the right arrow button from the RTD Type screen to go the RTD description screen If no alarm or trip level is required these Setpoints can be turned off RTD Available Settings RTD TYPE e 120 OHM NICKEL NI e 100 OHM NICKEL NI e 10 OHM COPPER CU 100 OHM PLATINUM e OFF ALARM LEVEL OFF or 0 240C 32 464F Example C F Increments of 1 RTD DESCRIPTION STATOR 1 STATOR 2 STATOR B1 STATOR B2 STATOR C1 STATOR C2 FRONT BEARING BACK BEARING BEARING BOX AMBIENT NONE Motortronics Inc Page 58 CTi Automation Phone 800 894 0412 Fax 208 368 0415 Web www ctiautomation net Email info ctiautomation net SP 9 RTD Option Configuration Setpoint Page 9 Continued Security Level 3 MENU RANGES 120 OHM NICKEL NI 100 OHM NICKEL NI 10 OHM COPPER CU 100 OHM PLATINUM PT OFF OFF or 0 240C 32 464F Example C Increments of 1 STATOR A1 STATOR A2 STATOR B1 STATOR B2 STATOR C1 STATOR C2 FRONT BEARING BACK BEARING BEARING BOX AMBIENT NONE
73. e adjustment changes the initial starting voltage level to the motor 3 2 2 Ramp Time Factory Setting 10 sec Range 0 120 sec Ramp time adjustment changes the amount of time it takes to reach the current limit point or full voltage if the Current limit point was not reached Note Refer to your motor manual for the maximum number of starts per hour allowed by the manufacturer and do not exceed the recommended number 3 2 3 Current Limit see FIG 3 2 3 Factory Setting 350 of motor FLA Range 200 500 of motor FLA The main function of current limit is to limit the maximum current It may also be used to extend the ramp time if required The interaction between the voltage ramp and the current limit will allow the soft start to ramp the motor until the maximum current is reached and the current limit will hold the current at that level The current limit must be se high enough to allow the motor to reach full speed The factory setting of 35096 is a good starting point Do not set the current limit too low on variable starting loads This could cause the motor to stall and eventually cause the overload protection to trip Note If the motor does stall refer to the motor manufacturer s motor data for the proper cooling time 100 Acceleration Mode Current Limit FIG 3 2 3 Current Limit RQUE VOLTAGE TO ACCELERATION Motortronics Inc Page 21 CTi Automation Phone 800 894 0412 Fax 208 368 0415
74. e backspace key and will shift one character to the left POWER Indicates control power is present RUN Indicates unit motor is running Lights in conjunction with Relay AUX 2 to indicate an Alarm event or warn of ALARM Ah possible critical condition TRIP Lights in conjunction with Relay AUX 1 to indicate a Trip condition has occurred AUX 1 8 Auxiliary relays Note Relays 5 8 are available for customer use Note The directional arrow buttons require careful operation In edit mode if the buttons are held for a long period the scrolling speed will increase Motortronics Inc Page 26 CTi Automation Phone 800 894 0412 Fax 208 368 0415 Web www ctiautomation net Email info ctiautomation net METERING MENU Page 1 Current Metered Data 2 Voltage amp Power Data 3 RTD Values 4 Status 5 Event Recorder 6 Last Trip 7 Statistics Notes 1 The MENU key allows you to toggle the screens between the Setpoint Menu and the Metering Menu Simply use the arrow keys to get to the different screens within each menu Example To access Setpoint Page 3 PHASE amp GROUND SETTINGS press the MENU key once and the DOWN ARROW twice 2 Levels 1 2 and 3 indicate password protection levels for these setpoint pages Motortronics Inc CONFIGURATION MENU
75. e soft starter goes into the Start Mode Motortronics Inc Page 5 CTi Automation Phone 800 894 0412 Fax 208 368 0415 Web www ctiautomation net Email info ctiautomation net 1 6 3 Run Mode soft starter enters the Run Mode when it reaches full output voltage and the motor current drops below the FLA setting motor nameplate FLA plus service factor for a pre determined period of time During the Run Mode these additional protection features are enabled Running Overload Protection Curve Selection Phase Loss Under Current Load Loss Over Current Electronic Shear Pin Jam Protection External Input Faults 1 6 4 Stop Mode Once a Stop command has been given the protection features change depending on which Stop Mode is selected e Decel Mode Retains all protection features of the Run Mode At the end of Decel the motor will be stopped and the protection features change as indicated below e Coast To Stop Mode Power is immediately removed from the motor and the Soft Starter returns to the Ready Mode e Additional protection features activated when the stop command is given include Coast Down Back Spin Timer o Starts per Hour o Time between Starts o External Input Faults 1 7 Thermal Overload Protection The Soft Starter plays an important role in the protection of your motor in that it monitors the motor for excessive thermal conditions due to starting running and ambient conditions The soft starter h
76. ed Rotor Time The locked rotor time can be set to the OL Class default chosen in Setpoint Page 1 or to a specific time The overload condition must exist for the programmed amount of time before a trip occurs e Start Locked Rotor Current The current the motor draws with full voltage on the windings and no motor movement as a percent of motor FLA Refer to the motor nameplate data or contact the motor manufacturer e Acceleration Time Limit If the motor does not enter run mode reach at speed within the preset time the unit trips on acceleration time limit Number of Starts per hour If enabled this limits the maximum number of starts permitted per hour This Setpoint allows a maximum of 6 starts per hour Contact the motor manufacturer for further information regarding number of starts per hour Time Between Starts If enabled the soft starter prevents another start attempt until the programmed time has expired SP8 3 Area Under Curve Protection If enabled this secondary start protection uses both the basic start protection and the area under the curve protection Start The maximum Ft allowed during start If the I t to start exceeds this number then the Soft Starter will generate a trip SP8 4 Current Over Curve Learns the motor s starting characteristics and protects the motor based upon the learned curve It is useful when commissioning a new motor e Learn The unit reads the motor s starting chara
77. eful for applications where the load conditions change frequently and where different levels of torque are required Typical applications include material handling conveyors positive displacement pumps and drum mixers Voltage is increased from a starting point Initial Torque to full voltage over an adjustable period of time Ramp Time To achieve Voltage Ramping select VOLTAGE for the START RAMP 1 TYPE Setpoint and set CURRENT LIMIT 1 Setpoint to 500 The maximum setting Since this is essentially Locked Rotor Current on most motors there is little or no Current Limit effect on the Ramp profile Jog Voltage Setting Voltage Ramp 1 Voltage New Start Command og Button Start Control Mode Held Setpoint changed from Jog to Start Ramp 1 Type Voltage FIG SP2 3 Example of Switching from to Start Ramp 1 Type Voltage Voltage Ramping with Current Limit is the most used curve and is similar to voltage ramping however it adds an adjustable maximum current output Voltage is increased gradually until the setting of the Maximum Current Limit Setpoint is reached The output is held at this level until the motor accelerates to full speed This may be necessary in applications where the electrical power is limited Typical applications include portable or emergency generator supplies utility power near the end of a transmission line and utility starting power demand restrictions Note Using Current Limit will
78. ements of 1 CURVE B VOLTAGE LEVEL 8 100 0 100 Increments of 1 CURVE B CURRENT LIMIT 350 FLA Range 200 500 Increments of 10 CURVE C VOLTAGE LEVEL 1 25 Range 0 10096 Increments of 1 CURVE C RAMP TIME 1 2 SEC Range 1 60 SEC Increments of 1 CURVE VOLTAGE Motortronics Inc Continued on next page TIME 2 2 SEC LEVEL 2 30 Range 0 10096 Increments of 1 CURVE C RAMP Range 1 60 SEC Increments of 1 CURVE C VOLTAGE LEVEL 3 37 Range 0 100 Increments of 1 P CURVE C RAMP TIME 3 2 SEC Range 1 60 SEC Increments of 1 Page 53 CTi Automation Phone 800 894 0412 Fax 208 368 0415 Web www ctiautomation net Email info ctiautomation net SP 7 Custom Acceleration Curve Setpoint Page 7 Continued Security Level 3 Continued from prev page CURVE C VOLTAGE LEVEL 4 45 Range 0 10096 Increments of 1 CURVE C RAMP TIME 4 2 SEC Range 1 60 SEC Increments of 1 CURVE C VOLTAGE LEVEL 5 55 Range 0 100 Increments of 1 CURVE C RAMP TIME 5 2 SEC Range 1 60 SEC Increments of 1 CURVE C VOLTAGE LEVEL 6 67 0 100 Increments of 1 CURVE C RAMP TIME 6 2 SEC Cont Range 1 60 SEC Increments of 1 CURVE C VOLTAGE LEVEL 7 82 CUSTOM C
79. er Screen 5 26 Same as Screens 3 4 for RTDs 2 12 Screen 27 Allows the user to clear the maximum temperature register upon entering the setpoint level 3 password Screen 28 Displays the measured run cool time in minutes Screen 29 Displays the measured stopped cool time in minutes Motortronics Inc Screen 1 HOTTEST STATOR RTD C Screen 2 HOTTEST NON STATOR RTD C Screen 3 1 Screen 4 STATOR PHASE A1 MAX TEMP SINCE RTD 1 C F CLEAR RTD 1 A Screen 5 1 Screen 6 y STATOR PHASE A2 MAX TEMP SINCE RTD 2 C CLEAR RTD 2 Screen 7 1 Screen 8 Y STATOR PHASE B1 MAX TEMP SINCE RTD 3 C HH F CLEAR RTD 3 C A Screen 9 1 Screen 10 v STATOR PHASE B2 MAX TEMP SINCE RTD 4 C CLEAR RTD 74 Screen 11 Y Screen 12 14 STATOR PHASE C1 TEMP SINCE RTD 5 C CLEAR RTD 5 C A A Screen 13 Y Screen 14 14 STATOR PHASE C2 MAX TEMP SINCE 6 C CLEAR RTD 6 C Screen 15 Y Screen 16 t END BEARING MAX TEMP SINCE RTD Z7 C CLEAR RTD Z7 Screen 17 v Screen 18 t SHAFT BEARING MAX TEMP SINCE RTD 8 CLEAR RTD 8 C A Screen 19 Y Screen 20 t RTD 9 MAX TEMP SI
80. es the maximum allowed motor speed using the Tach feedback When the overspeed trip mode is enabled and the motor speed exceeds this level for the time specified by the Tach Accel Trip Delay an overspeed trip occurs Tach Accel Trip Delay The duration of time that the Tach Accel trip condition must persist before a trip is generated SP6 3 The controller provides two 4 20mA analog outputs Each analog output is independent of the other and can be assigned to monitor different functions The available output ranges are RPM Hottest Non Stator Bearing RTD Hottest Stator RMS current and Motor Load e Analog Output 1 Select a function from the available five options to be transmitted from the 4 20mA output Note If selecting RPM the Tachometer feedback input signal must be present in order for the controller to give proper output If selecting RTD the RTD option must be installed and an RTD input signal must be present for a proper output to be given from the analog output e Analog Output 1 4 mA Enter a value that the 4mA level will represent for the selected function typically this value should be 0 e Analog Output 1 20 mA Enter a value that the 20mA level will represent for the selected function SP6 4 Analog Output 42 of the Setpoints and setup screens for Analog Output 2 are the same as those for Analog Output 1 Motortronics Inc Page 50 CTi Automation Phone 800 894 0412 Fax 208 368 0415
81. ess the RIGHT ARROW you will view the screen Motor Full Load Amps 3 Press the ENTER button for edit mode Note The asterisk in the top right corner of the LCD screen that indicates Edit Mode 4 To change the value select the UP ARROW or DOWN ARROW In this case push the UP ARROW twice 2x 5 To accept the new value press the ENTER button The unit will accept the changes and will leave the edit mode Note the is no longer in the top right corner of the LCD Display PAGE 1 BASIC MOTOR FULL LOAD AMPS CONFIGURATION 140 AMPS MOTOR FULL LOAD AMPS Push Twice z 140 AMPS C ENTER Save Entry MOTOR FULL LOAD AMPS MOTOR FULL LOAD AMPS 142 AMPS dii 142 AMPS Motortronics Inc Page 28 CTi Automation Phone 800 894 0412 Fax 208 368 0415 Web www ctiautomation net Email info ctiautomation net Chapter 5 Setpoint Programming The soft starter has thirteen programmable Setpoint pages which define the motor data ramp curves protection configuration and communications In Section 5 1 the Setpoint pages are outlined in chart form In Section 5 2 the Setpoint pages are illustrated and defined for easy navigation and programming Note Setpoints can only be changed then the starter is in the Ready Mode Also the soft start will not start when it is in programming mode 5 1 Setpoints Page List These charts list the Setpoint Page the programmable functions and the section 5 1 1 Basic Config
82. et Chapter 6 Metering Pages The Soft Starter offers performance metering which gives the user the ability to view information about the motor and the unit 6 1 Metering Page List The following charts list each Metering Page and the functions within that page The applicable section of the manual is also referenced 6 1 1 Metering Menu amp Data Metering Page 1 Metering Description of Display Phase and Ground Fault Option 1 Average current of the of imbalance and the motor s RPM Tach Option 2 2 Motor load as a percentage of motor FLA 3 5 Line frequency and present phase sequence 4 Percentage of remaining Thermal Register 5 Thermal capacity required to start the motor 6 a Average time required to start 7 Average current during start 8 Measured I2T required to start the motor 9 Amount of time required to start the motor during the last successful start 10 6 1 2 Metering Metering Page 2 dela Description of Display Screen Phase A B C currents and Power Factor 1 Phase A B C currents and Ground Fault Option 2 Displays KW and KVA 3 Displays KVAR and Power Factor 4 Displays Peak ON and KW Demand 5 Displays Peak ON and Demand 6 Displays Peak ON and KVAR Demand 7 Displays Peak ON and Amps Demand 8 Clears Demand
83. etpoint before an alarm condition will occur SP12 3 Thermal Register Setup Information This Setpoint group will configure the thermal register and indicate to the soft starter which inputs to use when thermal modeling e Cold Stall Time Enter the time from the motor manufacturer s specification sheet or use the time defined by the OL Class This Setpoint is used to define the thermal capacity of the motor HotStall Time Enter the amount of time specified by the motor manufacturer or use half of the time defined by the OL Class e Stopped Cool Down Time The time the motor needs to cool down after it has stopped Use only the data provided by the motor manufacturer This Setpoint is used to configure the cooling rate of the thermal register Running Cool Down Time The amount of time the motor needs to cool down while running Use only the data provided by the motor manufacturer e Relay Measured Cool Rates When the RTD option is supplied the Soft Starter can be configured to use the measured cooling rates from the RTDs instead of the programmed settings This Setpoint should only be enabled when the RTD option is present Thermal Register Minimum Sets the value in the thermal register which represents a motor running at the nameplate current with no overheating or negative sequence currents present e Motor Design Ambient Temperature Use the data from the motor manufacturer s specifications When RTD option is supplied this
84. hile providing isolation from the line voltage High isolation Ring Transformers are used to step the 120v control voltage down to 28VAC for the Sustained Pulse firing circuit providing further isolation for the SCR gates e Fiber Optic Isolation is provided for all gate drive and current feedback signal interfaces between the Medium and Low Voltage systems Motortronics Inc Page 7 CTi Automation Phone 800 894 0412 Fax 208 368 0415 Web www ctiautomation net Email info ctiautomation net 1 9 Electronics The Soft Starter electronic systems are divided into two categories Low Voltage and Medium Voltage and are based on where they are located in the Starter structure 1 9 1 Low Voltage electronics include the Keypad Operator Interface the CPU and Main Power PC boards which are located in an isolated Low Voltage compartment of the enclosure Keypad Operator Interface is a 2 line x 20 character LCD display with back lighting for low ambient light conditions The display reads out in truncated English and can show multiple data points in each screen Twelve LED indicators are included which show the status of Power RUN ALARM TRIP and the 8 AUX RELAYS The Operator communicates with the CPU board via a serial cable link and can be remotely located up to 1000ft from the starter FIG 1 9 shows the Keypad Operator Interface MENU RESET ENTER 2 FIG 1 9 Keypad Operator Interface CPU Board is where the m
85. hile starting or extremely unbalanced motor currents run mode 7 1 1 SCR Testing Procedure Perform the SCR Heat Sink Ohm test on each Stack Assembly CPU LCD AUX Relay Possible Cause Solutions None None Trip AUX1 Trip AUX1 Alarm AUX2 Short in Control Circuit Remove Power locate and remove the short Wrong Control Voltage No Control Voltage applied to Control Board Apply the correct voltage to the control circuit Apply control voltage to TCB board Control Power Transformer failure or CPT Fuse failure Remove power and replace the power transformer or the CPT fuse Start Circuit Wired Remove power and correct the Incorrectly start circuit wiring No Start Command Apply the start command No 3 Phase Line Voltage Apply 3 phase line voltage to the unit Shorted SCR in Starter Remove power and Test SCR s Refer to Sec 7 1 1 for the testing procedure Faulty Control Logic Remove power and repair the Control Logic Failure of Main Circuit Board Faulty Motor Replace the Main Circuit Board Check the Motor and the Motor connections Remove Power and perform the sens SCR device checks Remove Power and Test SCR s iud E ate oh Refer to Sec 7 1 1 for the testing procedure Faulty Main Circuit Board Faulty Motor Wiring Replace the Main Circuit Board Troubleshoot and repair re
86. icroprocessor and communications co processor are located It is attached to the main Power board The CPU determines operating functions stores user programming acts upon feedback signals for faults and calculates metering and historical data The board communicates with the Keypad Operator Interface via a serial link cable Analog and Digital I O are also located the CPU board See FIG 2 3 4 Main Board also referred to as the Firing Board contains the Auxiliary relays and interfaces to the TCB board see below for user interface This board generates all firing signals for the SCR stacks and receives feedback signals which are isolated via fiber optics The board also provides signal conditioning in preparation for analog to digital conversion See FIG 2 3 3 Motortronics Inc Page 8 CTi Automation Phone 800 894 0412 Fax 208 368 0415 Web www ctiautomation net Email info ctiautomation net 1 9 2 Control Electronics are located in the Medium Voltage section of the soft starter They include the TCB Gate Drive and Temp CT boards HAZARDOUS VOLTAGE Disconnect all power supplying this equipment prior to working on it Failure to follow this instruction will result in death or serious injury e TCB Terminal and Control Board is the user connection interface board This board contains the user terminal blocks output relays duplicated inputs and control power connections It also contains add
87. int Page 2 Displays Starter Configuration Jog Voltage Ramp Setpoint Page 3 Displays Phase amp Ground Settings Overcurrent Trip Delay Graph Setpoint Page 4 Displays Relay Assignment Setpoint Page 5 Displays Relay Configuration Setpoint Page 6 Displays User I O Configuration Metering Page 5 Displays Event Recorder Metering Page 6 Displays Last Trip Metering Page 7 Displays Statistics Failure Analysis amp Troubleshooting SCR Testing Procedure Motortronics Inc Page 3 CTi Automation Phone 800 894 0412 Fax 208 368 0415 Web www ctiautomation net Email info ctiautomation net 1 4 Design Features The standard Soft Start panel has the following features SCR Power Modules For each phase the SCRs are arranged in inverse parallel pairs and series strings as indicated in Tablet below to facilitate sufficient Peak Inverse Voltage ratings for the application e RC Snubber Networks Provide Transient Voltage Protection for SCR Power Modules in each phase to avoid dv dt damage Firing Circuit The SCRs are gated turned on using a Sustained Pulse Firing Circuit This circuitry is isolated from the control voltage by means of fiber optics Table 1 Unit PIV Ratings 200 400 Amps Units 600 Amps Units Total Number of SCRs 2300 V 6500 V 2300 V 9000 V 3300 4160 V 9000 13000 V 3300 4160 V 9000 18000 V 6000 7200 V 19500 V 60
88. ions Voltage Power or Off e Range 0 30 SEC Increments of 1 BYPASS PULL IN CURRENT 100 FLA Range 90 300 Increments of 1 Motortronics Inc Range 200 500 Increments of 10 INITIAL VOLTAGE Off Increments of 5 2 60 2 20 Range 0 100 Range 0 100 START RAMP 1 TYPE Increments of 1 Increments of 1 VOLTAGE Options Voltage RAMP TIME RAMP TIME XCurrent or Off 2 10 SEC 2 10 SEC Range 1 120 SEC Increments of 1 CURRENT LIMIT 2 350 FLA Range 200 500 Increments of 10 Range 1 60 SEC Increments of 1 Range 200 500 Increments of 10 or INITIAL POWER Range 1 120 SEC Increments of 1 A MAXIMUM POWER 2 80 FLA Range 0 300 Y Increments of 10 If Power is selected these KICK START KICK START VOLTAGE screens will appear TYPE DISABLED 55 Range Voltage or 10 100 Disabled d X Increments of5 DECELERATION START TIME DISABLED 0 50 SEC Range Enabled or Lt RN 0 10 2 00 SEC Disabled 2 Lt RN of 0 10 TIMED OUTPUT START DECEL VOLTAGE TIME OFF 60 Range 1 1000 SEC Range 0 100 Increments of 10 J Increments of 1 RUN DELAY STOP DECELERATION TIME 1 SEC VOLTAGE 30 Range 0 30 SEC Off Range 0 59 Increments of 1 Increments of 1 AT SPEED DELAY
89. ips START UNDER CURVE EXT INP 1 Screen 19 Displays the number of power factor trips TRIES Screen 20 Displays the number of phase reversal trips Sereen 12 Y 5 Screen 21 Displays the number of low control voltage EXT INP 2 tripe TRIPS x Screen 13 Screen 24 Di i Screen 22 Displays the number of external input 1 fiat START CURVE trips TRIPS Screen 23 Displays the number of external input 2 MEET 1 Screen 25 1 trips LEARNED START CURVE EXT INP 4 Screen 24 Displays the number of external input 3 TRIPS trips Screen 15 1 Screen 26 t Screen 25 Displays the number of external input 4 FAIL SHUNT TRIP PRESS ENTER TO trips TRIPS CLEAR STATISTICS Screen 26 Requires a Security Level 2 password to clear the statistics Motortronics Inc Page 73 CTi Automation Phone 800 894 0412 Fax 208 368 0415 Web www ctiautomation net Email info ctiautomation net Chapter 7 Maintenance and Troubleshooting The Soft Starter is designed to be a maintenance free product However as with all electronic equipment the unit should be checked periodically for build up of dirt moisture or industrial contaminants These can cause high voltage arc over carbon tracking or prevent proper cooling of the SCR heat sinks All bolts should be checked annually for proper tightness using an accurate torque wrench According to the manufacturer s manual check the co
90. itional timed relays for interfacing with Power Factor Correction contactors if used and other external devices Please note Power Factor Capacitor warnings in Section 2 1 also see FIG 2 2 1 e Gate Drive Boards are located directly on the SCR stacks These boards connect to the Main Power board via fiber optic cables They amplify the gate pulse signals with power from the Ring Transformers to create the Sustained Pulse Firing of the SCRs There is one Gate Drive board for each pair of SCRs in each stack e Temp CT Boards are attached to the Gate Drive boards on the SCR stacks and provide the heat sink Temperature and line current signals back to the Main Power Board via fiber optic cables e MOV Boards are attached to standoffs mounted on the SCR heat sinks and are mounted directly below the Gate Drive boards The MOV boards are used to protect the SCRs from over voltage e DV DT Boards are also attached to standoffs mounted on the SCR heat sinks and are mounted below the MOV boards The DV DT boards are used to mitigate voltage transients across the stack assemblies Motortronics Inc Page 9 CTi Automation Phone 800 894 0412 Fax 208 368 0415 Web www ctiautomation net Email info ctiautomation net Chapter 2 Connection 2 1 Warnings be the source of fatal electric shock To avoid shock hazard disconnect main power and control power before working on the unit Warning labels must be attached to terminals enclosure and c
91. larms RTD Failure Alarm Disabled Enabled or Disabled SP12 2 5 Thermal Register Alarm 90 40 95 2 8 Thermal Alarm Delay 10 sec 1 20 sec a m 8 Thermal Register Setup Info 8 2 Cold Stall Time OIL Class a 5 30 or 4 40 second time 3 5 Hot Stall Time 1 OIL Class 1 OIL Class 4 40 sec 4 Stopped Cool Down Time 30 Min 10 300 Min n Runing Cool Down Time 15 Min 10 300 Min Relay Measured Cool Rates Disabled Enabled or Disabled SP12 3 Thermal Register Minimum 15 10 50 Motor Design Ambient Temp 40C 10 90C Motor Design Run Temperature 80 Max 50 100 of Motor Stator Max Temp Motor Stator Max Temp INS CLS INS CLS 10 240 C I B Input to Thermal Register Enabled Enabled or Disabled Use Calculated K or Assign 7 1 50 On Press Enter to Clr Thermal SP12 4 Register 5 1 13 Calibration and Service Setpoint Page 13 etpoint 5 rit m Fact ettin erai Description ory Section Page Level Default a Set Date and Time FACTORY SET 2 x DDMMYY HHMM HEIHE FACTORY SET zd Enter Date DDMMYYYY HH HE D 1 31 M 1 12 Y 1970 2069 SP13 1 o o o 5 Enter Time HH MM FACTORY SET H 00 23 M 0 59 5 HH HH E Model FACTORY SET 9 5 5 Firmware REV nm HH Display Only Cannot be changed SP13 2 T 8 Enter to Access Factory Available to Qualified Factory Personnel SP13 3 ettings Motortronics Inc Page 35
92. lass 30 Overload Class 25 9 Overload Class 20 1 Overload Class 15 SP1 4 NEMA design The motor design maximum allowed slip Select from Class A through F SP1 5 Insulation Class The motor insulation temperature class Select E F H K N or 5 SP1 6 Line Voltage Input Applied Voltage SP1 7 Line Frequency The user may choose either 50 Hz or 60 Hz Motortronics Inc Page 37 CTi Automation Phone 800 894 0412 Fax 208 368 0415 Web www ctiautomation net Email info ctiautomation net SP 2 Starter Configuration Setpoint Page 2 Provides multiple choices for starting ramps that can be selected for particular loads and applications If Voltage is selected these screens will appear If Current is selected these screens will appear or MENU INITIAL VOLTAGE INITIAL CURRENT 1 20 1 200 FLA Range 0 100 Range 0 300 Page 2 Increments of 1 p Increments of 1 Starter Configuration RAMP TIME RAMP TIME 1 10 SEC 1 10 SEC Range 1 120 SEC Increments of 1 P Range 1 120 SEC Increments of 1 START CONTROL MODE START RAMP 1 OPTIONS Jog Start Ramp 1 CURRENT LIMIT 1 350 FLA MAXIMUM CURRENT Start Ramp 2 Dual Ramp Custom 1 350 FLA Accel Curve Start Disabled JOG VOLTAGE 50 Range 5 75 or START RAMP 2 DISABLED Opt
93. lay in Cycles or Seconds as selected via jumpers X1 to X6 See Jumper Table The setting range is 0 to 127 1 2 4 8 16 32 64 The example shown results in a value of 7 1 2 4 Sets the SWA AUX Start 64 3216 8 4 2 1 Value Delay Value 7 6 5 4 3 2 1 Postion ON mtt PFC SWS Contactor oe Delay Value Motortronics Inc Page 15 CTi Automation Phone 800 894 0412 Fax 208 368 0415 Web www ctiautomation net Email info ctiautomation net 2 2 5 Description of LED Indicators Functions LED Indicators Function Location Color Function Fuse Blown D4 Red ON When Fuse is blown and or a Disconnect is open Disconnect Fault D16 Red ON When any Fault has occurred Start D7 Yellow ON When a Start signal has been initiated PFC Timed Out D17 Yellow ON When the Power Factor Correction Capacitors Contactor is energized Delay Timed Out D15 Yellow ON When the Auxiliary Start Contacts have been energized 24V D28 Green ON 24V supply is good Motortronics Inc Page 16 CTi Automation Phone 800 894 0412 Fax 208 368 0415 Web www ctiautomation net Email info ctiautomation net 2 3 Layout Section THIS SECTION IS FOR REFERENCE ONLY FIELD WIRING OR CONNECTIONS ARE REQUIRED 2 3 1 Optional RTD Board Typical Installation FIG 2 3 1 Optional RTD Board 2 3 2 RS485 5422 Communications Board Note This Board is mounted on the back
94. mation net 5 1 9 RTD Option Configuration Setpoint Page 9 Setpoint Security Factory Setting Page Level Description Default Section Use NEMA Temp for RTD Values Disabled Enabled or Disabled SP9 1 of RTD Used for Stator 4 0 6 SP9 2 RTD Voting Disabled Enabled or Disabled SP9 3 Stator Phase A1 Type off 100 100 1 Description Stator A1 User defined Up to 15 Characters Stator Phase A1 Alarm Level Off 0 240C 32 464F Off Stator Phase A1 Trip Level Off 0 240C 32 464F Off Stator Phase A2 Type Off Same as Stator Phase A1 RTD 2 Description Stator A2 User defined Up to 15 Characters Stator Phase A2 Alarm Off 0 240C 32 464F Off Stator Phase A2 Trip Level Off 0 240C 32 464F Off Stator Phase B1 Type Off Same as Stator Phase 1 RTD 3 Description Stator B1 User defined Up to 15 Characters Stator Phase B1 Alarm Level Off 0 240C 32 464F Off Stator Phase B1 Trip Level Off 0 240C 32 464F Off Stator Phase B2 Type Off Same as Stator Phase 1 RTD 4 Description Stator B2 User defined Up to 15 Characters Stator Phase B2 Alarm Level Off 0 240C 32 464F Off Stator Phase B2 Trip Level Off 0 240C 32 464F Off Stator Phase C1 Type Off Same as Stator Phase 1 RTD 5 Description Stator C1 User defined Up to 15 Characters Sta
95. n for metering and set point pages RESET Will clear the trip indicator and release the trip relay Pressing the ENTER button once enters the EDIT mode where set point values can be changed An Asterisk will appear on the display to indicate it is in the edit mode ENTER After a set point value is changed pressing the ENTER button again will save the revised value to memory and the asterisk will go off indicating the change has been saved When not in the edit mode the ENTER pushbutton will toggle through the event indicator list such as alarms or trips HELP Provides general help information about a specific set point or action Will scroll up through the set point and metering menu page It will scroll to the top of UP ARROW the set point page or a section In edit mode it will increase a set point in an incremental step or toggle through the available options in the set point In the main menu the RIGHT ARROW button provides access to the set point page RIGHT ARROW For set point pages with multiple columns the RIGHT ARROW will scroll the set point page to the right When in edit mode it will shift one character to the right Will scroll down through the set point pages and down through the set points In edit DOWNARROW mode it will decrement through values and toggle available options in the set point LEFT ARROW Will move to the left through set point pages with multiple columns When in edit mode it will become th
96. n the pump is turned off the Output Pressure rapidly drops to zero and the Head Pressure takes over to send the fluid back down the hill A Check Valve is normally used somewhere in the system to prevent this if necessary by only allowing the liquid to flow in one direction The kinetic energy in that moving fluid is suddenly trapped when the check valve slams closed Since fluids can t compress that energy is transformed into a Shock Wave that travels through the piping system looking for an outlet in which to dissipate The sound of that shock wave is referred to as Water Hammer and the energy in that shock wave be extremely damaging to pipes fittings flanges seals and mounting systems By using the Soft Stop Deceleration feature of the soft starter the pump output torque is gradually and gently reduced which slowly reduces the pressure in the pipe When the Output Pressure is just slightly lower than the Head Pressure the flow slowly reverses and closes the Check Valve By this time there is very little energy left in the moving fluid and the Shock Wave is avoided When the output voltage to the motor is low enough to no longer be needed the soft starter will end the Decel cycle and turn itself off See FIG 3 3 Coasting Stop using Electro Mech starter Y Valve m PUMP FLOW 100 Acceleration Mode Start Deceleration Mode Step Down Voltage Level A
97. ngs Wrong position of Check disconnect or open breaker disconnect or breaker Main contactor failed to Check internal connections Trip AUX1 close Reduce current limit setting Transformer too small saturation or sagging power supply transformer Unloaded motor Check load Failed CPU or Main Contact factor Trip AUX1 Firing Board y Vibration Check internal wiring connections Troubleshoot and repair generator Generator Power Contact utility company Trip AUX1 Problem or grid change Main board failure Three phase power removed from Main Improper programming Check Setpoint settings Any wire going to ground l e stator Check with megger or Hi pot motor Trip AUX1 ground motor ground leads and motor soft start ground Pign vibration or 108e Check internal connections connections WARNING This is a serious fault condition Ensure that the fault condition Trip AUX1 is cleared on the load side before attempting to restart the motor Load shorted Remove power and repair Faulty main circuit board Replace the main circuit board Page 75 CTi Automation Phone 800 894 0412 Fax 208 368 0415 Web www ctiautomation net Email info ctiautomation net 7 1 Failure Analysis Continued Control circuit fuses blow after control power is applied Motor will not start Motor vibrates Motor growls w
98. ntactor for air gap spacing of the vacuum bottles Note If the unit is installed in a contaminated environment and forced air cooling is used blower filters must be checked and cleaned regularly to insure proper air flow and cooling of the enclosure 7 1 Failure Analysis When a fault occurs the LCD will display the fault error while the listed LED and AUX Relay will be lit Please clear all faults before attempting to restart the unit Note If the problem persists after the required programming changes have been made and all corrective action has been taken please contact the factory for assistance Problem cr D LED Les Possible Cause Solutions Display One of the fuses spl 2 ewean Locate and remove short blows or circuit breaker e inputs opens when the power Trip AUX1 Remove power and test SCR s Faulty SCRs Refer to Section 7 1 1 for the SCR is closed testing procedure BE Circuit or ground Locate and remove short or ground fault in motor cabling Phase Loss Repair cause of phase loss Branch circuit Verify correct sizing of branch protection not correctly circuit protection Short Circuit Trip Trip AUX1 sized Faulty main circuit Remove power and replace main board circuit board Remove power and test SCR s Faulty SCRs Refer to Section 7 1 1 for the SCR testing procedure Single phase incoming Correct problem with incoming power power Remove power and test SCR s Faulty SC
99. o a higher value than the alarm level Imbalance Trip Delay The amount of time the imbalance condition must exist before a trip will occur SP3 3 Undercurrent Alarm Level Typically used to warn of possible load loss a coupling break or other mechanical problems Undercurrent Alarm Delay The amount of time the undercurrent condition must exist before an alarm will occur SP3 4 Overcurrent Alarm Level Typically used to indicate when the motor is overloaded This feature can be used to either stop the feed to the equipment or warn operators of an overload condition Overcurrent Alarm Delay The amount of time the overcurrent condition must exist before an alarm will occur SP3 5 Overcurrent Trip Level Typically used to indicate the motor is severely overloaded and at which point a trip occurs Overcurrent Trip Delay The amount of time the overcurrent condition must exist before a trip will occur Trip Delay Time gt Overcurrent Trip Setting 250 FLA Current Current Level Running Under Normal Load Time FIG SP3 5 Motortronics Inc 2 Phase amp Ground Settings Y IMBALANCE ALARM LEVEL 15 FLA IMBALANCE ALARM DELAY 1 5 SEC Increments of 1 Range 1 0 20 0 SEC Increments of 0 1 A IMBALANCE TRIP LEVEL 20 FLA IMBALANCE TRIP DELAY 2 0 SEC
100. o full speed before the ramp time has expired an automatic Anti Oscillation feature will override the remaining ramp time and full voltage will be applied This will prevent any surging or pulsation in the motor torque which might otherwise occur If the motor has not reached full speed at the end of the ramp time setting the current limit setting will proportionally regulate the maximum output torque CPU algorithms provide protection against a stall condition an overload condition or excessive acceleration time The Current Limit feature is provided to accommodate installations where there is limited power available For example on site generator power or utility lines with limited capacity The torque is increased until the motor current reaches the pre set Current Limit value at which point it is then held Current Limit overrides the ramp time setting so if the motor has not accelerated to full speed under the Current Limit setting the current remains limited for as long as it takes the motor to accelerate to full speed When the motor reaches full speed and the current drops to running levels the soft starter detects an At Speed condition and automatically closes the Bypass Contactor The Bypass Contactor serves to shunt power around the SCR stack assemblies to prevent heat build up in the starter enclosure At this point the motor is operating at full voltage speed and power Motortronics Inc Page 4 CTi Automation Phone 800 894 0412
101. of the Keypad Interface A A NC NC Shield A A B B Shield RS485 RCV XMIT Customer Connections Install jumper X1 to insert termination resistor for last unit in Modbus string All other units in the string should have the X1 jumper off RS422 Factory Only FIG 2 3 2 RS485 RS422 Communications Board 2 3 3 Main Board Motortronics Inc Page 17 CTi Automation Phone 800 894 0412 Fax 208 368 0415 Web www ctiautomation net Email info ctiautomation net Circuit Board Ground Test Points lt a Al AT BI BT cl 7 A Phase 4 B Phase 1 C Phase C NO NO NC NC C NO NC m v NC C NO NO AUX 1 AUX 2 AUX 3 AUX 4 AUX 5 AUX 6 AUX 7 AUX 8 TRIP ALARM RUN AT SPEED Refer to Set Point Page 5 information Relay Output Contact Rating 240VAC 5A 1200VA FIG 2 3 3 Power Board Motortronics Inc Page 18 CTi Automation Phone 800 894 0412 Fax 208 368 0415 Web www ctiautomation net Email info ctiautomation net 2 3 4 CPU Board External Tach Analog Analog Program Input 2 Enable npu Input Output 1 Output 2 1 amp 20mA 4 20mA TB3 Only use terminal 3 and 4 all other terminals are for factory use NOTE Install program jumper to enable set point programming Jumper must be removed after programming or for prolonged sto
102. on immediate Start Stop N Me itary Maintained Start Stop Switching supplied by customer j Part ACG1A250AC or equiv F2 Contactor and relay output fuse 120 VAC Control Input Power TB2 terminal 6 120VAC Input Part No ACG4A250AC or equiv Part No ACG4A250AC or equiv Optional Interlock Factory installed Jumpers Normally closed dry contact input that when opened will initiate an Emergency stop to the system Main and CPU Circuit Board 120 VAC Input Power Control Power Output 120 VAC 200VA Relay changes state when the Emergency Bypass Switch is closed Start Input Fuse Blown Input Emergency Bypass L_ Switch Input Dual Ramp Input 4 Bypass Status Input 4 Relays Operate when any Fault condition occurs Run Contacts AUX 3 Status To TCB Board Fault AUX 1 Statu 71 Relays Operate to indicate At Speed AUX 4 aBlown Fuse or that the Status 7 Disconnect is open Blown Fuse and or Disconnect Interlock N O dry contact Input External Overload Protection Device N C dry contact Input At Speed N C dry contact Input Factory wired Energizes De energizes the Bypass Contactor Coil Energizes De energizes Relays Operate to pull in an Isolated Contactor to activate Power Factor Correction Ca
103. ontrol panel to meet local codes observing Lock Out Tag Out procedures Disconnect all power supplying this equipment prior to working on it e Do not service this equipment with voltage applied The unit can HAZARDOUS VOLTAGE Do not connect PFC capacitors or surge capacitors to the load Failure to follow this instruction will result in death or serious injury side motor side of the unit This will cause di dt damage to the SCRs when they are turned on and will void the warranty on this product Capacitors can only be connected to the load side of the A CAUTION starter through the use of an isolating contactor which is closed after the soft starting sequence has been completed or when di dt limiting SCR DAMAGE inductors are factory installed Do not connect PFC capacitors to the load side of the unit e Avoid connecting capacitors to the input side of the unit If you cannot avoid using capacitors across the power lines they must be located as far upstream as possible of the input line contactor In this situation an optional power factor correction PFC capacitor contactor Doing so will cause DI DT damage to the SCRs when energized should be specified For additional information and specifications or AN WARNING when di dt limiting inductors are factory installed please contact the 4 S factory SAFETY HAZARD 5 Do not bypass electrical or mechanical interlocks e Never
104. override the Ramp Time setting if necessary so use this feature when acceleration time is not critical To set Voltage Ramping with Current Limit select VOLTAGE for the START RAMP 1 Setpoint and set CURRENT LIMIT 1 Setpoint to a desired lower setting as determined by your application requirements Motortronics Inc Page 39 CTi Automation Phone 800 894 0412 Fax 208 368 0415 Web www ctiautomation net Email info ctiautomation net Start Ramp 1 Type Current Current Ramping Closed Loop Torque Ramping This method is used for smooth linear increase of output torque This ramp is only used on some conveyor systems long haul or down hill For other applications use Voltage Ramp or a custom Accel curve Output voltage is constantly updated to provide the linear current ramp and therefore the available torque is maximized at any given speed This is for applications where rapid changes in torque may result in load damage or equipment changes Typical applications include overland conveyors if belt stretching occurs fans and mixers if blade warping is a problem and material handling systems if stacked products fall over or break This feature can be used with or without the Maximum Current Limit setting To achieve Current Ramping select CURRENT for START RAMP 1 TYPE Setpoint and set the MAXIMUM CURRENT 1 Setpoint to the desired level Current Limit Only Current Step uses the Current Limit feature exclusively This method of
105. pacitors Relays Operates with a time delay when the the Inline Isolati ee Inline Isolation Start Contact is initiated Contactor Coil 120 VAC Power 2000 000000000000 0000000000 000000000 FIG 2 2 1 Terminal and Control Board Motortronics Inc Page 11 CTi Automation Phone 800 894 0412 Fax 208 368 0415 Web www ctiautomation net Email info ctiautomation net 2 2 2 Description of Terminal Connections TB1 Start Stop Control T Description 1 AC 120 VAC Control Power Line 2 Shutdown Input Accepts customer N C dry contact Factory jumper installed 4 NC 5 1 Shutdown Input Accepts customer dry contact Factory jumper installed Terminal 6 7 amp 8 2 wire control is connected to pins 6 amp 8 Also For 3 wire control connect the N C STOP 8 NO button to pins 6 amp 7 and the N O START button to pins 7 amp 8 9 AC 120 VAC Control Power Neutral 10 C Common 11 NO Normally Open 12 NC Normally Closed Form C Relay that changes state on Start and Stop commands TB2 Emergency Bypass Control 4 Description When the contact closes the unit reverts to an electromechanical starter When a start command is C given the unit will start the motor across the line NO Terminals 3 4 and 5 is a form C output relay that changes state when the contact at
106. percentage the frequency and the kW at the time of the trip CAUSE OF TRIP Screen 5 Displays the hottest stator RTD temperature when RTD option present VALUE AT TIME OF TRIP attime of the trip 7 la HHHE Ib Screen 6 Displays the hottest non stator RTD temperature when RTD option G F present at the time of the trip Vab V bc HHH Vca THHHHHE PIF HHHH Hz KW THHHHHHE HOTTEST STATOR RTD st HOTTEST NON STATOR RTD C Motortronics Inc Page 72 CTi Automation Phone 800 894 0412 Fax 208 368 0415 Web www ctiautomation net Email info ctiautomation net MP 7 Statistics Metering Page 7 Displays the statistical trip information MENU DOWN ARROW 6 TIMES Screen 1 Displays the total of megawatt hours Rei 7 Screen 2 Displays the accumulated total running hours Screen 3 Clears the total running hour count REA Screen 1 Screen 4 Displays Lis total of trips since the MWH TOTAL last clearing of the statistical data and the total number of short circuit trips 1 VPN Screen 2 Screen 3 Screen 5 Displays the number of start overload and run RUNNING HOURS T
107. place wiring Faulty Main Circuit Board Replace the Main Circuit Board Gate Drive Board Test Points OHM Meter Reading Test Results From Position A to Greater than 10K Ohm Pass Position B Less than 5K Ohm Fail From Position B to Greater than 10K Ohm Pass Position C Less than 5K Ohm Fail Gate G to Cathode 8 to 50 Ohms Pass Typical 8 to 20 Ohms K for each SCR Less than 8 or greater than 50 Ohms Fail G G K Red White White Red Motortronics Inc Notes 1 Allow 15 minutes after shutdown for DV DT network to discharge 2 Voltage sharing resistors may need to be disconnected to obtain correct readings for tests between positions A B amp C Page 76 CTi Automation Phone 800 894 0412 Fax 208 368 0415 Web www ctiautomation net Email info ctiautomation net
108. r Factor Lag Trip The acceptable mount of power factor lag before a trip is generated Power Factor Lag Delay The amount of time that the power factor lag condition must exist beyond the window before a trip will occur SP3 20 Power Demand Period The Soft Starter monitors the demand of the motor based on several parameters current KW kVAR kVA Monitoring the demand of the motor assist in the energy management program where processes can be altered or scheduled to reduce overall demand Demand is calculated by taking samples of the output current KW and kVA over a period of time then averaged and stored into memory Motortronics Inc Page 45 CTi Automation Phone 800 894 0412 Fax 208 368 0415 Web www ctiautomation net Email info ctiautomation net MENU B 4 E lt lt 2 lt lt um x z o ze BOE r u EC rR lt gt ez z c z o zZ 5 zu pu Y lt jo x m lt 2 az az op lt Eq uz s 2 ul NT ux 2 lt RE no me m u 4 14 oz uz z z d rz z z z lt
109. rage to preserve settings Opto isolated Inputs FIG 2 3 4 CPU Board Motortronics Inc Page 19 CTi Automation Phone 800 894 0412 Fax 208 368 0415 Web www ctiautomation net Email info ctiautomation net 2 4 Typical Wiring Diagram KEYPAD INTERFACE See FIG 1 9 Located Medium Voltage Section 30 Medium Medium Voltage p Voltage Supply CPT COMM BOARD Optional See FIG 2 3 2 A BC A 3 Connection 4 Twisted Pair Z 30 to Power POWER BOARD Poles See FIG 2 2 3 Start Control Wiring z I 2 web N o J N 9 LR wore UD 4 3 CPU BOARD See FIG 2 3 4 2 Ne 5 5 B 202 O 204 o gx 193 lt 194 180 2 179 8 201 23 199 6 o 2 v E 9 195 lt 197 fs S 192 ZERO Ne S EGARB D SEQUENCE RTD BOARD SE 15 CT 0 05A See FIG 2 3 1 We Lieu E cas el
110. rcent of voltage value The point at which the unit output drops to zero to end the deceleration Deceleration Time The time to get to the stop Deceleration Voltage Set point value SP2 7 Timed Output Used with an AUX 5 8 relay When enabled and upon a start command it waits until the programmed time plus the run delayed time has expired The relay energizes and remains so until a stop command is received It de energizes upon receiving a stop command SP2 8 Run Delay Time Can be used with an AUX 5 8 relay The delay timer begins upon receipt of the start command The relay will then drop out when the time has expired SP2 9 At Speed Delay Time Used with the AUX 4 relay it energizes when the motor reaches At Speed and the programmed delay time has expired The relay remains energized until a stop command has been received Motortronics Inc Page 42 CTi Automation Phone 800 894 0412 Fax 208 368 0415 Web www ctiautomation net Email info ctiautomation net SP 3 Phase amp Ground Settings Setpoint Page 3 Security Level 2 SP3 1 Imbalance Alarm Level This is an advance warning of a phase imbalance problem The problem may not be a fault in the motor but merely caused by imbalanced voltages Imbalance Alarm Delay The amount of time the imbalance condition must exist before an alarm occurs SP3 2 Imbalance Trip Level This will trip the motor on excessive phase imbalance The trip level should be programmed t
111. ronics Inc Page 62 CTi Automation Phone 800 894 0412 Fax 208 368 0415 Web www ctiautomation net Email info ctiautomation net ______ SP 13 Calibration amp Service Setpoint Page 13 Security Level 3 Certain screens are displayed for user information only such as Current date and time Model number and Firmware revision number Setpoint changes in this page will only be accessible to factory personnel SP13 1 Set Date and Time Displays the date and time e Enter Date DDMMYYYY Allows the factory personnel to program the date for the soft starter in the format shown e Enter Time HH MM Allows the factory personnel to program the time for the soft starter SP13 2 Model amp Firmware Displays the model number and firmware revision in the soft starter SP13 3 Press Enter to Access Factory Settings Available to qualified personnel MENU 4 DOWN ARROW 12 TIMES c amp SET DATE AND TIME ENTER DATE DDMMYYYY ENTER TIME hh mm lt gt se EHH HEHH D aiit HHHH SERVICE Range D 1 31 M 1 12 Range 00 23 Y 1970 2069 0 59 Increments of 1 Increments of 1 MODEL FIRMWARE 4 PRESS ENTER TO ACCESS FACTORY SETTINGS Motortronics Inc Page 63 CTi Automation Phone 800 894 0412 Fax 208 368 0415 Web www ctiautomation net Email info ctiautomation n
112. s If power is lost the motor power is also lost Do not change the programming for AUX 1 4 These are for factory use only AUX 5 8 are user defined outputs SP5 2 A relay configured as non latching will reset itself when the cause of the trip event is not continuous The TRIP AUX1 relay should always be programmed for latching because this trip should require a visual inspection of the motor and starter before issuing a manual reset to release the relay after a trip has been stored DOWN ARROW 4 TIMES MENU gt Page 5 Relay Configuration Option Yes or No TRIP AUX1 RELAY TRIP AUX1 RELAY FAIL SAFE NO LATCHED YES ALARM AUX2 RELAY ALARM AUX2 RELAY FAIL SAFE NO LATCHED NO AUX 3 RELAY AUX3 RELAY FAIL SAFE NO LATCHED NO AUXA RELAY AUXA RELAY FAIL SAFE NO LATCHED NO AUX5 RELAY AUX5 RELAY FAIL SAFE NO LATCHED NO AUX6 RELAY AUX6 RELAY FAIL SAFE NO LATCHED NO AUX7 RELAY AUX7 RELAY FAIL SAFE NO LATCHED NO AUX8 RELAY AUX8 RELAY FAIL SAFE NO LATCHED NO Motortronics Inc Page 48 CTi Automation Phone 800 894 0412 Fax 208 368 0415 Web www ctiautomation net Email info ctiautomation net SP 6 User Configuration Setpoint Page 6 Security Level 2 DOWN ARROW 5 TIME
113. sachs ie pp d depend deg nk deua 43 SP Relay ASSIODNIBE tm e a oat ie EN o Rent dete o boat el te Dita deiade 47 42 SP5 Relay Configuration 48 SP 6 User I O ConfiguratiOn rte 49 51 SP 7 Custom Acceleration CUrVe dr Unete ink nk 52 54 SP 8 Overload Curve Configuration 55 57 SP9 RTD Option COMIGUrAUO E I PEN Le tiae 58 59 bret erate Et ALD 60 SP PSO 60 SP 12 System Selpolnts er e b e uie be E RD a Ex Pe Re ni i E 61 62 SPA 3 Calibration amp ae E e Ae ee ett 63 Chapter 6 Metering Pagos eerte co et ete teet t ete xg eite ee tete enge 64 6 1 Metering Page bisb i ree HEEL Eco eels eke Re Ue 64 6 1 1 Metering Menu amp Data Metering 1 64 6 1 2 Metering Metering 2 lend debe 64 6 1 3 RTD Option Values Metering Page 3 64 6 1 4 Status Metering Page 4 a
114. sec ns 99 5 5 Curve A Voltage 5 55 0 100 SP7 1 8 9 Curve Ramp Time 5 2 sec 1 60 sec E a Curve A Voltage Level 6 67 0 100 E Curve A Ramp Time 6 2 sec 1 60 sec Curve A Voltage Level 7 82 0 100 Curve A Ramp Time 7 2 sec 1 60 sec Curve A Voltage Level 8 100 0 100 Curve A Ramp Time 8 2 sec 1 60 sec Curve A Current Limit 350 FLA 200 500 5 1 8 Overload Curve Configuration Setpoint Page 8 Setpoint Security Factory Setting Page Levai Description Default Section Basic Run Overload Curve Run Curve Locked Rotor Time O L Class 1 30 sec O L Class Spad Run Locked Rotor Current 600 FLA 400 800 c Coast Down Timer Disabled 1 60 Min Disabled E Basic Start Overload Curve 5 8 Start Curve Locked Rotor Time Class 1 30 sec O L Class Re 5 o 2 Start Locked Rotor Current 60096 FLA 400 800 BER 9 g gt Acceleration Time Limit 30 sec 1 300 sec Disabled a 8 5 Number of Starts Per Hour Disabled 1 6 Disabled E 8 Time Between Starts Time 5 min 1 60 Min Disabled E Area Under Curve Protection Disabled Enabled or Disabled eee Max I I T Start 368 FLA 1 2500 FLA FLA sec Current Over Curve Disabled Disabled Learn Enabled Learned Start Curve Bias 1096 5 4096 SP8 4 Time for Sampling 30 sec 1 300 sec Motortronics Inc Page 33 CTi Automation Phone 800 894 0412 Fax 208 368 0415 Web www ctiautomation net Email info ctiauto
115. seful in initial commissioning tests to record a base line performance sample In this case it is not necessarily used for motor protection Motortronics Inc Page 6 CTi Automation Phone 800 894 0412 Fax 208 368 0415 Web www ctiautomation net Email info ctiautomation net 1 7 2 Run Mode overload protection is initiated when the soft starter determines that the motor is At Speed Overload Protection is initiated when the motor RMS current rises above a pick up point as determined by the motor nameplate FLA and service factor Run mode protection is provided by the CPU monitoring the Dynamic Thermal Register Data for the Dynamic Thermal Register is accumulated from I2t calculations and cooling rates A trip occurs when the register reaches 10096 as determined by the selected Overload Protection Curve NEMA Class 5 30 standard curves and is based on the programmed Locked Rotor Current indicated on the motor nameplate The Dynamic Thermal Register is altered or biased by the following conditions e Current Imbalance will bias the register higher due to additional motor heating as a result of a line current imbalance condition e Normal Cooling is provided when the motor current drops below the overload pick up point or the motor is off line The Cooling rate is lower for motors that are off line such as after a trip since cooling fans are also inoperative e RTD Input Requires the optional RTD monitor card provides a separate me
116. t Email info ctiautomation net SP2 4 Start Ramp 2 Please refer to Ramp 1 settings for Ramp 2 Type Voltage selection Start Ramp 2 Power The Power Ramp feature has three programmable set points Initial Power Ramp Time and Maximum Power e Initial Power set point allows the user to define an initial KW A CAUTION motor power value that will be applied to the motor when the start sequence is begun It has a range of 0 100 and a default value of It is recommended to use the power ramp on a 20 loaded motor Using the power ramp on an unloaded motor may result is shorter than anticipated acceleration times The Ramp Time set point functions as all other ramp time set points and allows the user to define a time period during which the applied KW motor power will be increased linearly to the Maximum Power value set point The adjustment range is 1 to 120 seconds Once the Power Limit value is reached the system enters a constant power mode that regulates the applied motor power until the motor reaches full speed The Maximum Power set point has an adjustment range of 0 300 and a default value of 80 Power Ramp Calculations The basic motor power value is derived from the line voltage and motor FLA using a unity power factor as a default This allows for approximation of the motor power rating without any other input data During the Power Ramp process the RMS line voltage RMS motor current and
117. t unless a separate optional or customer supplier thermal overload relay is unexpectedly installed or JP 1 Motor Protection Jumper Sec 2 2 3 is removed from the TCB Board The unit is operable as a normal across the line starter When power is applied the bypass contactor is energized tying the input terminals directly to the output terminals When the START command is given the main in line contactor is energized and the motor line starts When the STOP command is given the motor is disconnected from the line power via the main in line vacuum contactor Motortronics Inc Page 25 CTi Automation Phone 800 894 0412 Fax 208 368 0415 Web www ctiautomation net Email info ctiautomation net Chapter 4 User Interface amp Menu Navigation This chapter explains the keypad operator interface the LCD descriptions and the programming features 4 1 Keypad Operator Interface The user keypad operator interface consists of e 2row by 20 characters Liquid Crystal Display LCD e 12 LEDs e 8 pushbuttons Note The soft starter is menu driven there are three levels of programming The programming for two of these levels is password protected Level two requires a three digit password and level three requires a four digit password 2 4 1 1 Keypad Operator designations and functions ITEM DESIGNATION DESCRIPTION MENU Toggle between the menu selectio
118. t Limit is set to maximum e kW if Power Ramp is selected Increasing the ramp time softens the start process by gradually increasing the voltage current or power Ideally the ramp time should be set for the longest amount of time the application will allow without stalling the motor Some applications require a short ramp time due to the mechanics of the system i e centrifugal pumps because pump problems can occur due to insufficient torque Current Limit Sets the maximum motor current the starter will allow during the acceleration As the motor begins to ramp the Current Limit feature sets a maximum at which the current draw is held Current Limit remains in effect until the following occurs 1 The motor reaches full speed Detected by the At Speed detection circuit or 2 The Overload Protection trips on Motor Thermal Overload Once the motor reaches full speed the Current Limit feature becomes inactive In the Voltage Ramp Profile the voltage output is increased until it reaches the Current Limit Ramp time is the maximum amount of time it takes for the voltage to increase until the Current Limit setting takes over The Current Ramp profile varies the output voltage to provide a linear increase in current up to the Maximum Current Setpoint value A closed loop feedback of motor current maintains the Current Ramp profile Motortronics Inc Page 40 CTi Automation Phone 800 894 0412 Fax 208 368 0415 Web www ctiautomation ne
119. tor Phase C1 Alarm Level Off 0 240C 32 464F Off 5 3 Stator Phase C1 Trip Level Off 0 240C 32 464F Off 5 8 Stator Phase C2 Off Same as Stator Phase A1 5 E RTD 6 Description Stator C2 User defined Up to 15 Characters 5 8 5 Stator Phase C2 Alarm Level Off 0 240C 32 464F Off z 2 Stator Phase C2 Trip Level Off 0 240C 32 464F Off SP9 4 E 9 End Bearing Type Off Same as Stator A1 RTD 7 Description End Bearing User defined Up to 15 Characters End Bearing Alarm Level Off 0 240C 32 464F Off End Bearing Trip Level Off 0 240C 32 464F Off Shaft Bearing Type Off Same as Stator Phase 1 RTD 8 Description Shaft Bearing User defined Up to 15 Characters Shaft Bearing Alarm Level Off 0 240C 32 464F Off Shaft Bearing Trip Level Off 0 240C 32 464F Off RTD 9 Type Off Same as Stator Phase 1 RTD 9 Description User defined User defined Up to 15 Characters RTD 9 Alarm Level Off 0 240C 32 464F Off RTD 9 Trip Level Off 0 240C 32 464F Off RTD 10 Type Off Same as Stator Phase 1 RTD 10 Description User defined User defined Up to 15 Characters RTD 10 Alarm Level Off 0 240C 32 464F Off RTD 10 Trip Level Off 0 240C 32 464F Off RTD 11 Type Off Same as Stator Phase A1 RTD 11 Description User defined User defined Up to 15 Characters RTD 11 Alarm Level Off 0 240C 32 464F Off RTD 11 Trip Level Off 0 240C 32 464F Off RTD 12 Type Off Same as Stator Phase 1 RTD 12 Description User defined User defined Up
120. tput relay The factory will ship with all tripping functions assigned to TRIP AUX1 relay and all alarm functions to ALARM AUX2 relay Note AUX1 4 are Factory Set and should not be changed SP4 1 The following is a list of all the user programmable functions Note The 1st Relay Assignments are factory defaults and should not be changed RELAY ASSIGNMENTS FUNCTIONS 1st 2nd 3rd OVERLOAD TRIP TRIP ONLY NONE NONE IMBALANCE TRIP TRIP AUX1 NONE NONE SHORT CIRCUIT TRIP TRIP ONLY NONE NONE OVERCURRENT TRIP TRIP AUX1 NONE NONE STATOR RTD TRIP NONE NONE NONE NON STATOR RTD TRIP NONE NONE NONE GROUND FAULT HI SET TRIP TRIP AUX1 NONE NONE GROUND FAULT LO SET TRIP TRIP AUX1 NONE NONE PHASE LOSS TRIP TRIP AUX1 NONE NONE ACCEL TIME TRIP TRIP ONLY NONE NONE START CURVE TRIP TRIP ONLY NONE NONE OVER FREQUENCY TRIP NONE NONE NONE UNDER FREQUENCY TRIP TRIP AUX1 NONE NONE I I T START CURVE TRIP AUX1 NONE NONE LEARNED START CURVE TRIP AUX1 NONE NONE PHASE REVERSAL TRIP AUX1 NONE NONE OVERVOLTAGE TRIP TRIP AUX1 NONE NONE UNDERVOLTAGE TRIP TRIP AUX1 NONE NONE POWER FACTOR TRIP NONE NONE NONE TACH ACCEL TRIP NONE NONE NONE INHIBITS TRIP ALARM AUX2 NONE NONE SHUNT TRIP NONE NONE NONE BYPASS DISCREPANCY TRIP ONLY NONE NONE LOW CONTROL VOLTAGE TRIP ONLY NONE NONE TCB FAULT TRIP AUX1 NONE NONE EXTERNAL INPUT 2 NONE NONE NONE DUAL RAMP NONE NONE NONE THERMOSTAT TRIP AUX1 NONE NONE OVERLOAD WARNING ALARM AUX2 NONE NONE OV
121. tronics Inc Page 49 CTi Automation Phone 800 894 0412 Fax 208 368 0415 Web www ctiautomation net Email info ctiautomation net SP 6 User Configuration Setpoint Page 6 Continued Security Level 2 The Soft Starter can be configured to accept tachometer feedback signal using the 4 20mA input SP6 1 The first screen of Setpoint page 6 is TACHOMETER SCALE SELECTION When this is set to ENABLED the user will need to input the tachometer scale of the 4 20mA input range Manual Tach Scale 4 0 mA The unit is looking for an RPM value to assign to the lowest point on the scale This Value should represent the motor at zero speed Manual Tach Scale 20 0 mA The unit is looking for an RPM value to assign to the highest point on the scale This value should represent the motor at full speed SP6 2 Tach Accel Trip Mode Select When enabled the underspeed or overspeed must be selected for the Tach Accel Trip If underspeed is selected only the Tach Underspeed Trip Point will be used If overspeed is selected only the Tach Overspeed Trip Point will be used Tach Ramp Time This is the duration of time before the starter begins sampling the tachometer Tach Underspeed Trip Defines the minimum motor speed using the Tach feedback When the underspeed trip mode is enabled and the motor speed falls below this level for the time specified by the Tach Accel Trip Delay an underspeed trip occurs Tach Overspeed Trip Defin
122. uration Setpoint 1 Setpoint Security m Factory Setting Description Default Section Level 50 10096 of Unit Max Current Rating 5 Motor Full Load Amps FLA Model dependent Model and Service Factor dependent SP1 1 5 Service Factor 1 15 1 00 1 3 SP1 2 2 5 2 z Overload Class 10 Class 5 30 SP1 3 oc gt 0 5 g 8 2 es NEMA Design B A F SP1 4 2 Insulation Class B F H 5 5 1 5 8 Line Voltage Model dependent 100 to 20000V SP1 6 Line Frequency 60 50 or 60 HZ SP1 7 5 1 2 Starter Configuration Setpoint Page 2 Setpoint Security Factory Setting Page Level Description Default Section Jog Start Ramp 1 Start Ramp 2 Custom SP2 1 Start Control Mode Start Ramp 1 Accel Curve Start Disabled Dual Ramp Tach Ramp Jog Voltage 50 5 75 Off SP2 2 Start Ramp 1 Type Voltage Voltage Current Initial Voltage 1 20 0 100 Ramp Time 1 10 sec 1 120 sec Current Limit 1 350 FLA 200 500 Initial Current 1 20096 FLA 0 300 96 Ramp Time 1 10 sec 1 120 sec Maximum Current 1 35096 FLA 200 500 96 Start Ramp 2 Disabled Disabled Voltage Power E Initial Voltage 2 6096 0 100 96 nD Ramp Time 2 10 sec 1 120 sec t E 5 Current Limit 2 35096 FLA 200 500 cr Initial Power 2 20 0

MOTORTRONICS MVC Plus User Manual: 2.3 7.2kV Class

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