Electronics 负载 series EL9000A operating Manual
Contents
1. 1000W 20 C 20 C 25 CHk ja 5 25 C 20 C 30 C 25 C 8000 W 7000 W 6000 W 5000 W 4000 W 3000 W 2000 W 1000 W OW Os 100s 200s 300s 400s 500s 4 8 EL 9080 400 EL9080 400 I zu U lin to Uin EL 9000 HP AHA 11 02 2011 5 5 12. 180 gt 0dB 1uF 100uF 47 4800W
3. local local 6 10 U l P R EZ i AAA aT e EEK EN A Zur EL 9000 HP 6 11 System Busim T AJI He 6 11 1 PS 900037 PSI 9000 71 e PSI 8000 DT 2U e PS 8000 DT 2U bern CV o PS 9000 PSI 9000 EL9000 Share Bus 5
4. 23 RS232 IF R1 F gt LabView VIs RS232 AHA 11 02 2011 10 10 1 Ho a USB UTA12 USB b USB RS232 CAN GPIB IEEE XSCPI LAN SCPI a 22 EL 9000 HP Genea EN About Elektro Automatik GmbH amp Co KG Helmholtzstrasse 31 33 41747 Viersen Germany Phone 49 2162 37850 49 2162 16230 Web www elektroautomatik de
5. 9 Level B A B k Battery test Keep set values no 7 1 6 6 Level A Level Controliz E We GPIB IF G1 6 7 2 Level B Level Control 3 a 3454414 ll Level B Level B LevelA LevelB Level Controlix Aw GPIB IF G1 6 7 3 Level A B A B A B
6. Keep set values no CV yes fr 7 1 CV FM il sb aN APS tH LEE R A o CV 0 CC CP CR AEREO APR BEATE AR MER AUB FERLEAR Gd GBR RAMO BEATA TAI RIEL HY EIK Els Pa A REI ACA GREORIE BHCC CP CREE DLR EEE BA0V CP E P U D Keep set values no CP 0
7. 4 2 4 3 20cm 44 RED 45 RAMA ASE ne A KHSR We NU TEST RPM 4 6
8. PS9000 PSI9000 CAN USB 4 CAN EL9000 HP 0 100 U 1 P R
9. Fer MUERO IRPI AXK E EIA TR IX APE AH F PALA ICR FEZ o Level Control 3 Ms ei A B A B LevelA LevelB U P Mode 2 Keep set values no 7 Level Control 3 A gt B B gt A Keep set values yes EFE ae 7 0 A A BLevel A B BLevel B AIB KARAER BOTA ES HE Level A B
10. 2 7 6 ZI maoga E EE A F ped L 4 15 aS PF CBR BCE HO BCE Ib PLC 0 10V 8 4 8 1 8 4 AGADIR ER DERE PRY MENTA BI RA F8 AE RMA MP REHIA MERAS Sub D gt 10V 4 CU PR U P
11. VE EG 6 11 3 2 I Cross 3 l Cross Rtn 0 25W R 0 gt 10 R gt 0 BRU 0 10 DIN40839 6 11 4 Remote sense 5 6 11 5 System Bus Pin 1 Sense Pin 2 I Cross Pin 3 I Cross Rtn Pin 4 Sense Pin 5 Share Bus Pin 6 AGnd Pin 7 FastReg 13 EL 9000 HP ABA 11 0
12. A B CV 11 12 A A 7 50Hs 100s 100hs 200s 10kHz 0 005Hz SEB BOVPXPE REN ENEIN REAR THEM TREE iba Efe M RERE BEN HARD KR EL 9000 HP Externer Trigger A B Level A B Trigger mode 7 internal external A B 8 A B
13. Battery Setup EL 9000 HP 6 7 LevelA Level B Input on off 4 Standby REM SB gt 3s 5 01 Battery gt 3s Ah Input on off Selection 5 Selection 5 ON
14. 5 2 IEC320 10A 1 5m 3 x 0 75mmY 5x20mm 2 5 3 M8 100A 2 x 10mm 2 48 51 x 35mm 200A 2 x 35mm Ek 4 51 x 95mm 4004 2 x 95mm x 8 51 x 240mm 5 4 PE 300V
15. Ext trigger Selection 5 A B Setting 6 A B gt LevelA B Avalue Atime 10 100A 20ms Level A B A Level ABRA FEM FA Level AKI KEH UBUGAKF XS FLevel BH ALARA FEB Ba EWEA WRR MLevel ALE HES Whee Level BHIA IFJ DE DAS IT Level A Level B EE JHI TEZ IT Level A Level B 12 12 U 1 Por R A B 12 1KHZ
16. gone GPIB Ethernet SCPI gone EL 9000 HP 6 2 Power 1 FA FTF KA AE o Mode 2 Mode cv CP cRior CC CRsor CC CP 6 6 CC CV CP PESE CRior 416 AN TE RE 714 42 CR4ooR 2
17. CAN USB RS232 IEEE GPIB Ethernet LAN e 50hs 100s 30hs 200ms CAN Vector EL 9000 HP 2 2 1 KE D 80 LCD JBI TUR 2 2 14241 El o TE 4 0 0V 999 0V ZE 4 0 00A 99 99A 0 0A 999 9A ZE 4 OW 9999W HER 4 0 000 99 990 0 00 999 90 HH MM SS TS HER 1s 1s 99h 59m 59s 99 59 59 Level A B
18. 1hs ABA 11 02 2011 22 EL9080 400 EL 9160 200 EL9400 100 EL9400 100 S01 EL9750 50 115V 230V 50 60Hz T2 5A Un 400V Pron 4800W 20 C 1500W lhon 100A 1 1 U nom 460V 0 400V 0 7150V 100mV 100mV eae lt 0 1 of U lt 0 2 of U nom 0 100A 10mA HHE lt 0 2 of nom 0 4800W 0 4800W 0 4800W 0 4800W 0 4800W ERA in in 1W 1W 1W lt 2 of Pron 1 050 0 50 10m Q 10m Q 2 0 100 2 0 200 2 100m Q 100m 2 2 0 3 x lt 50us
19. ER Level A B Level A Level B Level B Level A Level A Level B 6 6 ee as Mode 2 4 CC CV CP CR CC Keep set values no CC 0 yes 7 1 AHA 11 02 2011 CV
20. AH Ulow Ah Ulow Selection 5 Setting 6 HH MM SS Ah Ah AHA 11 02 2011 72 Finput on off 4 100 Input on off 4 Level
21. CMON VMON Master DGnd PSEL 17 PSEL VREF 0 100 Remote R active GND AHA 11 02 2011 18 Remote REM SB DGND 18 FIRE REIHE FAR AAA OEA AEREA WR ARE 100
22. Level Control 3 A B A B 4 5 CP A B 6 7 3 A B A B A B A 10ms B 90ms 100ms 10Hz 10 11 6 7 1 Level A Level Control 3 LevelA Level Remote mode External mode Level Aja HH Level A gt Selec tion 5 Setting 6
23. 30 30 CAN GPIB CAN Baud rate 10kBd 20KBd 50kBd 100kBd 125kBd 250kBd 500kBd 1MBd 100kBd CAN IF C1 CAN CAN CAN ID System 5 01 normal Vector normal CAN IF C1 2 ID normal CAN ID CAN ID 3 ID Vector normal HDevicel node Relocatable ID 2 ID Vector 3 CAN ID ID ID 11 0 2047 no 1 AHA 11 02 2011 D ID E PEAID tem heffnormalztVectorit
24. IEEE 15 IF E1b IEEE SCPI USB USB IF U1 7 LabView VIs LabView LabView Vls LabView IDEs
25. External mode TKS 82 7 12518 0V 10V VREF GND gt m 8 e Camel lt O U dp U dp E my Mm C 10V 1ov t C V CC 0V 10V CP 0V 10V CC CP OV var 0 10V Level A B H L High Low 11 02 2011 8 3 AGnd RSEL DGnd PSEL Remote CSEL Rem SB VSEL OVP OT Trigger In VMON R Range CMON R active VRef 16
26. REMOTE DGND 19 20 VREF 10V AGND 0 100 EL 9000 HP 8 4 0 10V 0 100 U yon 0 1 jose een SOON BO 1008801 we MAMI Ri gt 401004 MA PSEL Al 0 10V 0 100 P yon 4 RSEL 0 10V 0 100 R yon AGND POT VSEL CSEL PSEL RSEL VMON CMON PMON VREF 6 pGND POT arisen UES 7 Remote LOW U joy lt 1V U 0 30V MS HIGH U yig gt AV max 1mA 5V Rem SB A LOW U oy lt 1V U ow to High eye SV cren FE HIGH U hin gt AV DGND 0 10V 0 100 U yon mx 2mA 0 1 10 0 10V 0 100 1 yon AGND E VREF AO 1
27. PE 5 5 System Bus m System Bus 6 11 System Bus LE Sig F E HY EE TIE BLY AES m Ka TT UAT 5 6 System Bus 6 11 1 1V System Bus System Bus 1 4 0 2mm 2 5mm2 5 7 9 EL 9000 HP ABA 11 02 2011
28. Share Bus 5 EL9000 CAGND 6 AGND 6 PS 8000 PSI 8000 EL9000 Share Bus 5 Y Share Bus 7 EL9000 CAGND 6 AGND Share Bus 6 HERR JP IST 6 11 2 50ms CV CP 2 2 System Bus 7 FastReg 6 AGnd
29. gt RARA A A FAIR BETA MS IA AE TY ET He SY itr SK FQ AAS I o Selection Setting 6 Setting Setting 6 x N Selection 5 ER HSE NH 6 3 Keep set values BH 11 02 2011 6 4 FT input on offF X 2 Finput on off 4 pi
30. 12 R active 6 DGND Pin 12 Low Pin 12 High 13 R Range Pin 13 Low 2 Pin 13 High 1 Rem SB 8 Input on off 4 0V Input on off 4 EL 9000 HP VREF VSEL CSEL PSEL RSEL CC VSEL 0V 0 10V GND VREF CSEL PSEL VREF CSEL e Level A B PR BAC AE a hE AAA o
31. EL 9000 HP 11 02 2011 A 5 2 5 2 1 i 5 2 2 4 6 I S te ub ead arb eek nt rd Ba el ne ke dw oe ar ede a en near 7 A A E owe 7 3 2 7 3 3 8 Be Te A 8 4 1 8 4 2 BEER 200er errerreereeen 8 OC 8 AAA 8 4 5 ccc cee cece tebe bbe e bebe eee tbe eteetneeeneeneas 8 4 6 i 8 AT A 8 4 8 i 9 HN a ee ee ee ta ee ee eee eee 9 5 1 Hie nen ne aude ee den ea an ran ib ee a tia ta 9 5 2 i 9 5 3 EEEE EEEE EEEa 9 5 4 i 9 5 5 System Bus 0 00 Gaurd an an deen dened ana ar a hama been ae ee 9 5 6 ccc cece ecb eee eee ee beet beet teebeeteennneeas 9 5 7 BQP EEE EEE TER 9 RM EEEE EEEE EEEE EEEE EEEE EEEE EEE EEEE EEEE EEEa 10 6 A a dd NN 10 6 2 11 6 3 rr a re Ahnen seite 11 6 4 input on off 4 12 6 5 aaau EEEE EEEE EEEE EEEE EEEE EEE EEEE EEEE EEEE EEEa 12 6 6 12 6 7 Level A Level BREA 22 22 13 Ba EV eR a ee ra De aa oo a ee EE dee eee Be ee ee ee 13 6 7 2 Level BB ee ee eee eee ee ne een eee bee eee nbn ene 13 6 7 3 Level A B cc ccc
32. ID KEREKENSET MIR HA ARA ID EN ID fem RAR TOCAN ID System Vector 41 E HHK o CAN Bus terminate yes no yes 5 01 no CAN IF C1 CAN CAN yes no no RS232 Baud rate 9600 Bd 19200 Bd 38400 Bd 57600 Bd 57600 Bd RS232 IF R1 RS232 IF R1 EL 9000 HP 8 15 Sub D IR AHA
33. ABA 11 02 2011 10 viii Se dal A Level AB gt 1s A B Level A B 6 7 4 10 30hs 200ms hs E ms 10 Avalue time A 40A B 20A 100ms 20A 20A 100ms delta ER AIBA GE KA KT TEBE MT I PUKE tes SHE th A TE RIERA fl ARB REA BA 100ms it 100msHIFT EMT AI ZE200Mmsitf A Bere N MIE Aa Ream REI RIV BUEN RER FR PR UDALA 6 8 Battery
34. A n EIER EB ae un CT T AL Figure 15 Priorities The analogue interface has priority over any other ope ration mode Switching to external control can be done in any situation except when setup menu is active Hereby the set value inputs are activated and the set values for the load can only be adjusted by means of an external voltage source PLC 0 10V application or with poten tiometers See table 8 4 Pin assignment of the analogue interface for an overview of the inputs Additionally the control via the interface card is blocked in this mode but actual values can be read with it i e monitoring 8 1 Important notes For details also see 8 4 Pin assignment of the analogue interface Caution The inputs are not protected against overvolta ges Higher voltage than specified in section 8 4 on any input of the analogue interface may damage the device Please read and follow these instructions carefully Before connecting the hardware with a Sub D plug which is used to control the analogue interface wire all necessary connections and check the hardware for not supplying gt 10V respectively not more than the specified value The constant resistance regulation requires all four set values U I P R to be fed in if it s not used three set values U I und P are sufficient By default constant resistance regulation is activated If not used it should be deactivated by putting a bridge f
35. 2 2 50us 100s 30us 200ms lt 10 SE 78 MR 2x 40 10V for U P R 100 0 10V for U I 0 100 R 0 70 0 20W 0 C TTNA M8 7 S o 15 Sub D 19 x AU x 460mm 26kg CAN USB RS232 GPIB Ethernet 33 200 231 33 200 234 33 200 237 33 901 237 33 200 253 10 90
36. 90 10 EL 9000 HP ER 11 02 ete gt 11 02 2011 3 3 1 WMR Bet WH dot display two line Setting Select values settings CA GSE GD A A GD AA a Control type EL 9160 200 E E EU UU GS GS GSS E 160V 200A ss GS GS GSS Ga Pe OW 100 T amp A CHED CHED CHED A HED A Operation moude E m EE EA GO EE EAS Es Change set values settings Mains switch 1 3 2 F R OC fh RRA A Analogue interface System Bus T DC load input Mains input socket Card slot System Bus terminal Analog Interface Power input MH Power Input 115 230VAC Mains voltage selector Mains fuse Ventilation outlets Caution Hot air 2 EL 9000 HP 11 02 2011 3 3 1x 1x 1x 1 x 77 WAGOjF 3 System Bus 4 41
37. Figure 17 Since there is no power monitor output the PSEL input s can t be controlled by the master But it could be directly tied to VREF output or via a potentiometer in order to adjust the power between 0 and 100 The inputs Re mote and R active have to be tied to GND atthe slave s in order to activate the external control Input off Figure 18 shows the wiring of the analogue interface for remotely switching the input off This feature can be used anytime and does not require the activation of external control by pin Remote lt can be combined with other applications and can be realised by various contacts like transistors relays switches etc Opening the contact again will either switch the output on if it was on before switching off remote control or enable switching it on again manually on the front panel 40 Date 11 02 2011 EN REM SB DGND Figure 18 Switching to external control Switching to external control is only required ifthe device is going to be controlled by external analogue signals If using the simulated master slave operation only the slave s have to be switched to external control The switch over is realised with either a relay or a switch etc Important All set values have to be given except the resistance set value which is only required if resistance control is activated Set values can also be bridged to pin VREF for 100 REMOTE DGND Figure 19 External control wit
38. yes 7 1 CR CR Mode 2 R U 1D Keep set values no CR yes 7 1 EL 9000 HP 6 7 Level A Level B LevelA LevelB
39. 6 IE 3 1 6 1 M S Actual values and regulation mode Indicator regulation mode Actual value of voltage Actual value of power Sc by BH A Actual value of resistance hap FB Thi Actual value of current MT SP EH ERI ARMARNA Standby Remote mode Level A B A B e un mal mode 6 External mode 8 AHA 11 02 2011 Undervoltage thresh
40. elektro Automatik cm Instruction Manual EL 9000 A 80V 160V 400V 750V 50A 100A 200A 400A 4800W EL 9080 400 EL 9160 200 EL 9400 100 EL 9400 100 S01 EL 9750 50 33 200 231 33 200 234 33 200 237 33 901 237 33 200 253 CN Elektro Automatik GmbH amp Co KG AN Helmholtzstrasse 31 33 41747 Viersen Germany 49 2162 37850 VUE A Ad E f A AS o 49 2162 16230 TA a EE EA A AA A RELE IX tb www elektroautomatik cn ARA E o BE TIHRTFTARDTERRENERMERE RL Ein HS SIGO Pepa maten 80V 100V 180V 400V O Elektro Automatik 460V ATA PUNTA A DC
41. the shown range values are only examples Constant resistance regulation in range 2 The switchover of the regulation mode switches the load input off and the set value that is related to the currently chosen regulation mode is addressed for adjustment arrow in front of the value Other set values can also be accessed and adjusted in the described manner Note Preselection of CV enable adjustment of the voltage set value Same applies for the resistance value and CR Level Control Selector Level Control 3 A B B Battery s used to select the operation mode A Setup between normal operation mode A and B pulsed mode A B and battery test mode All 4 modes have an own set of set values That means that you can adjust different set va lues for U I P etc for A than for B When selecting a different regulation mode with Mode 2 the set values will be reset to certain default values if the setting Keep set values is set to no see 7 Device configuration for details Using Level Control 3 switches the load input off except if changed from A gt B or B gt A because these positions are used to manually switch between the two levels The most recent set values are stored inside the unit when the unit is switched off or at mains undervoltage power fail and are restored after switching it on again if the setting Keep set values yes has been chosen EL 9000 HP Series Instruction Manual y E A EN A Swit
42. of nom Short circuit proof against AGND 11 VREF AO Reference voltage 10V Accuracy typically 0 1 at max 5mA 12 R active Selection R on R off R regulation off LOW U ow lt 1V U range 0 30V ee R regulation on HIGH U pign gt 4V or open Jl max 1mA at 5V 13 R Range Select resistance range Rmax resistance range 2 LOW U jow lt 1V U Lowto High typ 3V me Rmax resistance range 1 HIGH U pign gt 4V Sender open collector against DGND or open 14 Trigger In Trigger input triggers A gt B LOW U iow lt 1V triggers B gt A HIGH U pign gt 4V or open 15 OT OVP Overtemperature Overvoltage OT or OVP HIGH U pign gt 4V Quasi open collector with pull up against 15V no OT or OVP LOW U o lt 1V At 15V at this output there will be max 1 5mA Short circuit proof against DGND Receiver U Low lt 1V U High gt 4V 2 j Note positive currents flow out of the analogue interface and negative currents flow into Al Analogue input DI Digital input requires a resistance set value at RSEL DO Digital output 3 only for Level A B operation requires to be enabled in the setup menu AO Analogue output see technical specs Instruction Manual EL 9000 HP Series Date 11 02 2011 Handling the device 9 Interface cards General The electronic load supports various interface cards The digital interface cards IF R1 RS232 IF C1 CAN and IF U1 USB support a uniform
43. 0 75mm The unit is fused with a 5 x 20mm safety fuse for value see 2 Technical specifications or fuse imprint which is accessible at the rear side in a fuse holder In case it has to be replaced it has to be by the same type and value 5 3 Terminal DC input The load input is located at the rear side of the device The connection to any feeding source is done here by the M8 screws Always take care for correct polarity Only DC voltages allowed The input is not fused In order to prevent damages by the feeding source always observe the nominal values of the electronic load If necessary install an extra fuse between load and source especially when discharging batteries The cross section of the load cables depend on the cur rent input We recommend to use at 100A 2 x 10mm or at least 1 x 35mm at 200A 2 x 35mm or at least 1 x 95mm at 400A 2 x 95mm or at least 1 x 240mm per cable flexible wire Instruction Manual EL 9000 HP Series 5 4 Grounding the input The DC input can be grounded with the restriction that when connected to PE the maximum input voltage is limited to 300V and must not be exceeded DC input is free to be connected to PE without problems Attention When grounding one of the input poles always check if one of the output poles of the source eg power supply is also grounded This could result in a short circuit 5 5 Connecting System Bus The terminal System Bus rear
44. Control 3 ix Level A B Setup Mode 2 yb wie srt a sure rE 0 OPE PRL REMOTE al Leve l Con fro Battery Ah ER Mode l2 HINA RE BELG BON ER TA MEM ARRE APR E Klik Keep set values 13 2400W 100A Ih ENBE NN 1 28 6 9
45. Keep set values has been set to no in the setup If set to yes the least adjusted set values are kept Also see 7 1 The setup menu CR means constant resistance The device features two resistance ranges For values refer to the technical specifications section The CR regulation mode is only active as long the switch Mode 2 is set to one of the two resistance ranges Both ranges act the same way they only differ in the higher resolution and accuracy of the lower resistance range In this mode the set values of resistance current and power are adjustable This regulation mode loads the feeding voltage or current source so much that the adjusted resistance results from the relation of input voltage to input current R U I In case the input voltage is so high that the input current exceeds the nominal current value the adjusted resi stance can not be achieved Simultaneously the current limitation becomes active If the product of input voltage and input current the power exceeds the nominal power of the device the power limitation becomes active Then the adjusted resistance can also not be achieved Instruction Manual EL 9000 HP Series EN A changeover to regulation mode CR can reset the set values of resistance current and power to their nominal values if the parameter Keep set values has been set to no in the setup If set to yes the least adjusted set values are kept Also see 7 1 The setup menu 6 7
46. Mail ea1974 elektroautomatik de Fax O Elektro Automatik Reprint duplication or partly wrong use of this instruction manual are prohibited and might be followed by legal consequences Instruction Manual EL 9000 HP Series AN Safety instructions Only operate the device at a mains voltage as stipulated on the type plate Never insert mechanical parts especially from metal through the air ventilation slots Avoid any use of liquids of any kind in the proximity of the device they might get into it Do not connect voltage sources to the device which are able to generate voltages higher than 100Voc 80V model or 180Voc 160V model or 460Voc 400V model In order to equip interface cards into the slot at the rear the common ESD provisions have to be followed The interface card may only be plugged and unplugged while the unit is completely switched off mains switch OFF Always observe limit and nominal values of the device when connecting a voltage source or battery as well as when using the analogue interface The DC input is not fused Date 11 02 2011 Page MUSCU e A en 25 2 eenecasoeohoouons ee ee ee ee 25 o ee ee ee se ee reiner 25 22 WIC VICES OS CIC ea ee een 26 A A An ee er o 27 TO 27 A A 27 33 SCOPES Ol CONV ONY a reido ec 28 EGG 28 Al PIOIOQUSF VV A ee ee ee ee 28 4 2 Mans connection Grounding see ea 28 O00 28 4 2 ISS MD esti 28 4 5 Temperature shutdown Ventilation pp 28 4 6 Dyn
47. are selected by Selection 5 The number of parameters varies depending if an interface card is equipped or not There are following settings Trigger mode Possible settings internal external Default setting internal Belongs to Device Explanation defines ifthe trigger signal for the Level A B operation which effects the change between A and B is automatically generated by the device internal or if it s put in by the trigger input external Keep set values Possible settings yes no Default setting no Belongs to Device Explanation yes defines that the set values which are adjusted by the user are kept when switching the regu lation mode also see 6 6 Preselecting the regulation mode while no defines that the set values are always reset to default values when switching Device node Possible settings 1 30 Default setting 1 Belongs to Interface cards Explanation defines the device node or address of the device in order to distinct between multiple devices in a network and to address it correctly Up to 30 devices can be controlled from one PC Within a bus system like CAN or GPIB every address must only be given once Date 11 02 2011 Handling the Gerates EN CAN Baud rate Possible settings 10kBd 20KBd 50kBd 100kBd 125kBd 250kBd 500kBd 1MBd Default setting 100kBd Belongs to CAN interface card IF C1 Explanation determines the transmission speed of the CAN bus messag
48. be activated in the setup menu with the option Trigger mode see 7 Device configuration The default setting is internal By setting itto external the switchover between A and B can only be done via the trigger input Date 11 02 2011 EN The adjusted rise fall time is still effective here but the pul se widths are now determined by the trigger signal which is fed into the trigger input The trigger signal must be square wave for levels see 8 The analogue interface As long as external trigger is active the pulse times of A and B are not indicated in the display and are also not adjustable anymore The display also indicates the status with Ext trigger active The rotary knob Selection 5 is used to select the set values for A and B as well as both pulse times and Setting 6 is used to change them The display shows the letters A and B to indicate the assignment When navigating between the set values an arrow gt is placed in front of the currently selected one A rise fall time for the pulsed operation is also adjustable Both rise and fall time are identical and can t be set seperately for A and B It is displayed as slew rate in the format Avalue Atime like for example in figure 10 with 100A 20ms The Level A B operation is started as soon as the load input is set to on Note during Level A B operation following applies the set value of A must always be greater than or equal to B Thus you can
49. cect cece reeeerrereenn 13 6 7 4 0 ccc cece bebe beet ebb b ene ee bebe e bebe ttneeeennees 14 6 8 14 6 9 cece cece beet e bebe bee EEEa 14 6 10 ccc cence eee cee eben EEEE EEEE EEEE EEEE EEEE 14 6 11 System Busum T AJIJ BE 2222er 15 6 11 1 ccc cee b beet EEEE EEEE EEEa 15 6 11 2 i 15 6 11 3 ccc cece eben bce eee be EEEE aa 15 6 11 4 Remote sense ii 15 6 11 5System Bus i 15 7 16 7 1 16 8 17 68 1 AS 17 8 2 17 8 3 18 8 4 i 19 o 1 m C 4 20 10 20 10 1 20 EL 9000 HP ER a gt 11 02 2011 I NA EL9000 4U 19
50. highest performance and enables space saving conceptioning of complex and efficient applications like for example industrial test equipment with variable powers for different demands or for demonstration and test purposes in the research and development area The digital control and the retrofittable interface card strongly simplify the connection to professional industrial bus systems like CAN Nearly all possibilities of the single systems are used With USB you can plug and use up to four or more devices to a standard PC without the need of additional hardware At CAN you can implement the devices into existing CAN bus systems without the need to reconfigure the whole bus system Address range and transmissions speed can be selected for the particular EL9000 HP unit so it fits best The main functions at a glance Set U I P and R each 0 100 Battery test with Ah and time count Pluggable interface cards CAN USB RS232 IEEE GPIB Ethernet LAN Analogue interface for external control Pulsed operation between two set values with adjustab le pulse widths and adjustable rise fall time Adjustable duty cycle as time of 50us 100s and adjustable rise time of 30us 200ms Vector software compatible CAN system Instruction Manual EL 9000 HP Series 2 Technical specifications 2 1 Control panel Type Display two line character LCD with 80 characters Operating elements 2 rotary knobs 2 rotary switches 1
51. only indicated at pulse times gt 1s A and B each and can be read quite clearly by looking at them Internally the actual values are measured much more often every few milliseconds They can always be read via an interface card but they are still constantly changing and are not strictly assigned to level A or B and could thus also be measured during rise or fall 6 7 4 Rise fall time The rise and fall times are equal and are thus considered as one value Also see figure 10 It is continuously ad justable in a range of 30us 200ms The step width is changing from us to ms over the whole range The error lies at max 10 The time is displayed as slew rate in the format Avalue time Example the set value of A has been set to 40A and the one of B to 20A then a current leap of 20A is generated in a time x for instance 100ms The display then shows 20A 100ms The delta value is not adjustable at this point Note the pulse widths of A and B should always be gre ater than the rise fall time else the pulsed signal would result in triangle shaped wave form or something else For example a pulse width of 100ms for A and B and a rise fall time of 100ms creates a triangle shaped signal with a period time of 200ms This might be wanted in certain applications and is thus not limited or influenced by the device Instruction Manual EL 9000 HP Series EN 6 8 The battery test mode Introduction Mode Battery is intended for
52. 0V ma 5mA 0 1 AGND y active R on R off R X LOW Uo lt 1V USE E 0 30V R HIGH Uy gt AV Lo 1mA 5V 13 IR Range Rax 2 LOW Ulo lt 1V U ow to Wen tye SN Rias 1 HIGH Uni gn gt 4V MIRES DGND 14 Trigger In 3 A gt B LOW Ulo lt 1V B gt A HIGH Upin gt 4V 15 OT OVP OT OVP HIGH Uhin gt 4V 15V OT OVP LOW Un lt 1V 15V 1 5mA DGND U Low IV U pign gt AV Al DI RSEL DO Level A B AO EL 9000 HP a HA 11 02 2011 IF R1 RS232 IF C1 CAN IF U1 USB IEEE GPIB IF G1 SCPI 1 30
53. 2 2011 1 7 1 RARE Level 3 Selection 5 Setting 6 IF U1 ya E LE 14 Selection 5 Trigger mode internal external internal LevelA B A B internal external Keep set values yes no yes 6 6 no Device node 1 30
54. 20cm distance at the rear to any surrounding objects in order to guarantee unimpeded air flow Caution Hot air can emerge from the air outlets 4 4 Disassembly Warning The unit must not be opened and repaired by the user When opening the unit or removing parts from the inside with tools there is risk of electric shock by dangerous voltages Open the unit only at your own risk and discon nect it from the mains before Any servicing or repair may only be carried out by trai ned personnel which is instructed about the hazards of electrical current 4 5 Temperature shutdown Ventilation The device is equipped with temperature controlled fans which are permanently running At higher temperatures the RPM will increase and result in a certain noise de velopment In case of overheating the device is automatically swit ched offline standby After cooling down to the allowed temperature range it is automatically switching online again Date 11 02 2011 EN 4 6 Dynamic characteristics and stability criteria The electronic load is characterised by short rise and fall times of the current which are achieved by a high bandwidth of the internal regulation circuit In case of testing sources with own regulation circuits at the load like for example power supplies a regulation instability may occur This instability is caused ifthe com plete system feeding source and electronic load has too little phase and gain margin
55. Possible settings yes no Default setting yes since firmware 5 01 else no Belongs to CAN interface card IF C1 Explanation defines if the bus termination resistor on the CAN interface card is active or not This is only required if the device is at the end of the CAN bus By setting this parameter to yes the resistor is activated no deactivates it In case you don t want to use this feature and instead want to install a custom resistor for bus termination make sure that this setting is set to no RS232 Baud rate Possible settings 9600 Bd 19200 Bd 38400 Bd 57600 Bd Default setting 57600 Bd Belongs to RS232 interface card IF R1 Explanation determines the baudrate transmission speed of the serial data transmission when using the serial RS232 interface card IF R1 Make sure that the other end of the serial connection operates at the same baudrate Instruction Manual 38 Date 11 02 2011 EL 9000 HP Series Ed gt mM Handling the device 8 The analogue interface Introduction The analogue interface is a 15pole Sub D socket and is located at the rear side It is designed to remotely control the most important functions of the electronic load by external hardware eg SPS switches relays with it The load requires to be switched to external control in order to use the analogue interface This is done by connecting Pin 7 Remote with ground Pin 6 by a jumper or switch The status is then displayed like this
56. Usage of Level A and Level B Introduction The names Level A and Level B stand for two different sets of set values which can be switched over in order to generate a set value step This is either done manually with the selector Level Control 3 resp externally via the analogue interface with the trigger input only in A B mode or automatically A B mode Each of them A and B has five set values dedicated to the four regulation modes That means that the set value of current is dedicated to constant current mode etc In CP mode you can for example adjust two set values for power switch between them and generate power steps When using the A B mode see 6 7 3 this switchover happens automatically in combination with the adjustable pulse widths i e pulse times of A and B This generates a square wave shaped set value whose high level is represented by the A value and whose low level by the B value and whose period time and thus frequency by the sum of the variable pulse widths of A and B These also determine the so called duty cycle An example A 10ms B 90ms this results in a period time of 100ms 10Hz with 10 duty cycle See also figure 10 6 7 1 Level A When switching to Level A with the selector Level Control 3 the set values of Level A become active This is only possible if the status is not Remote mode or External mode After switching to Level A mode the display shows Level A An arrow gt is plac
57. ading if no alarm is currently active In analogue remote control alarms also have to be ack nowledged by pulling pin REM SB to low i e switching the input off If the input is already off while the alarm occurs it will automatically acknowledge an alarm with status gone Note with interface card GPIB or Ethernet plugged the internal alarm buffer is continuously read by those cards and will thus automatically acknowledge gone errors so these are not displayed anymore Via SCPI command er rors with status gone are not returned only active errors Instruction Manual EL 9000 HP Series Handling the device 6 2 Operating elements Mains switch Power 1 Is used to switch the device on or off Selector Mode 2 Is used to preselect the regulation mode in which the device shall work The different regulation modes effect each other As soon as actual values reach set values the regulation mode changes This can for example lead to a dominance of the constant power control CP even if the constant current control CC is set as active mode The currently active regu lation mode is indicated in the display More about the different regulation modes in section 6 6 Preselecting the regulation mode Following regulation modes are selectable CC Constant current regulation CV Constant voltage regulation CP Constant power regulation CRior Constant resistance regulation in range 1 CR4ooR
58. adjust A downwards only to the value of B and B upwards only to the level of A If it seems that Level A is not adjustable somehow this might be caused by Level B being the same value periodischer Sollwertverlauf periodic set value run Level A Level B Pulsbreite von B pulse width of B Pulsbreite von A pulse width of A Periodendauer Frequenz penodic time frequency Figure 11 Li kin Instruction Manual EL 9000 HP Series Handling the device periodischer Sollwertverlauf periodic set value run Level A Level B Pulsbreite von B pulse width of B Pulsbreite von A pulse width of A Periodendauer Frequenz penodic time frequency Figure 12 Figure 12 shows a possible progression of a set value U I Por R with adjustable pulse widths and variable amplitude The rise fall time is also adjustable but is equal for A and B If the rise fall time is set to minimum the signal of the pulsed operation is a nearly ideal square wave Figure 12 is only a clarifying view The real progression of for example an input current which is pulsed with a frequency of 1kHz will differ more or less It depends on many circumstances like the regulation time of the feeding power supply the regulation time of the load line impedances etc In pulsed operation the actual values are also pulsing and the values constantly change in the display so they are not clearly readable Thus the actual values are now
59. always shows actual values while the load input is switched on Istwerte und Regelungsart Actual values and control mode Istwert Spannung Actual value for voltage Istwert Leistung Actual value for power Indikator Regelungsart Indicator regulation mode Istwert Widerstand Actual value for resistance Istwert Strom Actual value for current Figure 3 The indicator for the regulation mode a triangle appears next to the actual value which is related to currently active regulation mode of the load This can differ from the chosen regulation mode if a nominal value has been exceeded The current or power limitation have priority over the voltage or resistance limitation here That means that the load will change into constant current limitation as soon as the nominal current value has been exceeded The triangle indicates this In standby load input off the status Standby is displayed and only the actual value of voltage is shown Various texts in the right half of the display indicate diffe rent operation modes or errors Figure 5 This text appears if the load was set to remote control operation Remote mode via the optional interface card This is possible in the modes Level A B and A B m mal mode Figure 6 The text External mode indicates that the control of the load was switched to the analogue interface The set values can not be adjusted at the device anymore in this mode For detailed in
60. amic characteristics and stability Criteria ooocccoccconncconononnononononocnonnnonnonnnonnnonnnnonnnnnnnnnnnnnnnnnnaninos 28 4 7 Temperature characternisiies 2un anses a sued EEEE EE 28 4 8 Relation of input voltage to input current pp 29 9 O e 29 o ee ee ee ee een E 29 3 2 Mans UNS COIR se ita 29 DID 29 534 Grounding AAA o AA O OUEN A 29 9 3 Connecting System BUS uses i ea i i ee ee a 29 5 6 Using and connecting the remote sense pp 29 5 7 Interlace card Siloti Sent tienn E EREE nan EEEn iEn AKEE ANEA RE aE 29 O P A e E E E E E S E E A E N E E E 30 A ge 30 62 Operating Elements nenne E een 31 03 SUITS TURIN DOWST Ol ee tetona E EEEE 32 6 4 Switching the DC input on off e aia 32 6 5 Adjusting the set values pp 32 6 6 Preselecting the regulation mode pp 32 6 7 Usage of Level A and Level 33 AA e e 33 AA ser ee see nee ne een ea 34 6 7 3 Level A B pulsed operation nun ee ee 34 0 74 RIESE Vall WG ee ee nn ae e 35 0 5 ne Datter tS Mode ee eri ie erh 35 6 5 Controllocations and PRIONlies seeneen ee 36 6 10 Series and parallel CONNECTION pp 36 6 11 Functions of the connector System BUS pp 36 6 11 1 Two quadrants operation pp 36 6 11 2 Selecting the regulation Speed 4 37 6 11 3 Crossflow adjustment two quadrant operation pp 37 a 37 6 11 5 Pin assignment of terminal System BUS 37 7 Device configuration 4 37 A ee ee Re Reel 37 8 The analogue interface 4 39 Sol IMPONA NOOS tdi cano
61. and then go up The red line in the diagram and the 1000W limitation are just an example Cold start 20 C cold unit at 20 C ambient temperature Warm start 25 C warm running unit at 25 C ambient temp Cold start 20 C Cold start 30 C Warm start 25 C 6000 W 5000 W 4000 W 3000 W 2000 W 1000 W 0 W Os 100s 200s 300s 400s 500s Instruction Manual EL 9000 HP Series About the device 4 8 Relation of input voltage to input current When working with applications that input only low voltages to the load it becomes necessary to know the minimum input voltage that is required for the load to draw the full input current That minimum voltage is not zero and de pending on the number of transistors inside it varies from model to model Example curves of EL 9080 400 EL9080 400 I zu U lin to Uin 5 Installation 5 1 Visual check After receipt the unit has to be checked for signs of phy sical damage If any damage can be found the unit may not be operated Also contact your dealer immediately 5 2 Mains connection The mains connection is done with the included mains cord The socket is of 10A IEC 320 type The mains cord has a length of about 1 5m and a cross section of 3 x
62. as meds 39 8 2 Example COMMON AMONG seccatid aut 39 83 Example applications nee a riseicacaade 40 8 4 Pin assignment of the analogue interface pp 41 I ie AS 42 a O A o nen ie een eh nenne ee 43 10 1 ACBESSOlles GOP NOMS ee er ee ee 43 Instruction Manual EL 9000 HP Series Date 11 02 2011 About the device EN 1 Introduction The electronic loads of the series EL9000 are very effici ent devices which offer a big variety of interesting features ina 19 case at only 4U Besides the common functionality of electronic loads you can test batteries load voltage or current sources with a pulsed operation where the pulse widths and the amplitude are adjustable Or you can remotely control the device via an interface card and control and monitor nearly all its features from a PC The integration into existing systems is made easy by using one of the interface cards the configuration is intuitive and is done at the device The electronic loads can thus be operated in conjunction with a power supply of the series PS9000 PSI9000 or with the additional analogue interface socket at the rear side controlled and monitored by any other device with an analogue interface The device is microprocessor controlled This results in an accurate and fast measurement and display of actual values as well as an extended operability by many new features which wouldn t be realisable with standard ana logue technology The modern design offers
63. at certain frequencies 180 phase shift at gt OdB amplification fulfills the condition for an oscillation and results in instability The same can occur when using sources without own regulation circuit eg batteries if the connection cables are highly induc tive or inductive capacitive The instability is not caused by a malfunction of the load but by the behaviour of the complete system An impro vement of the phase and gain margin can solve this In practice a capacity is directly connected to the DC input of the load Recommended is 1uF for slower systems some 100uF can be necessary 4 7 Temperature characteristics T Addtionally to the technical maximum power of 4800W to which the device is limited to it features a temperature depending power derating This is in effect if the device gets heated up by high power input The figure below shows the progression of the power in relation to the time For example three different start respectively ambient conditions and their effect to the power derating This is only a guide to how the power derating works Depen ding on many factors the actual behaviour of the device and its derating will differ more or less Explanation the max input power at the start e after the input has been switched on depends on the temperature condition If the load was in derating before and has not cooled down so it would take the full input power it will probably start with a limited power
64. battery tests by connecting a battery to the load and discharge it definedly The ave rage current is measured and the elapsed time is counted and then display as the consumed battery capacity in Ah The voltage supervision together with the adjustable un dervoltage shutdown threshold Ulow prevents the battery from being deeply discharged This threshold needs to be adjusted at least once If it is exceeded during the test the load input is automatically switched off and the time counter is halted No more current is drawn from the battery If the threshold is set to greater than the battery voltage the test can t be started Chosing the regulation mode The regulation mode can be changed at any time even while the test is running Doing so will reset the whole test along with time counter and Ah value Usage Before and during the test you can adjust the set value of the pre selected regulation mode CC CR or CP and the undervoltage shutdown threshold Ulow The value to set is selected with Selection 5 and adjusted with Setting 6 The displays shows the elapsed test time in the format Hours Minutes Seconds HH MM SS as well as the consumed capacity in Ah Calculation of the Ah value The ampere hours value withdrawn electric charge is calculated from the average of the last two measurings of the input current and the elapsed time Start pause stop the test The test ist started by pressing the pushbutton Input on of
65. ches to the set values of Level A These values become instantly active and can be changed now Explanation of the selector positions B Switches to the set values of Level B These values become instantly active and can be changed now A B Switches the load offline and activates the pulsed mode frequency controlled automatic changeover between levelA and B Battery Switches the load offline and activates the battery test mode Setup Switches the load offline and activates the setup menu Here the device and the interface card if equipped are configured More about the operation modes in section 6 7 Usage of Level A and Level B Pushbutton Input on off 4 Is used to activate or deactivate load operation ma i e input on off Input off is indicated in the dis i play with Standby Switching the input on can be inhibited by several reasons For example if an error is persistent or the input is blocked by the REM SB pin of the analogue In battery test mode the time counting is halted or conti nued if the button is pressed to switch the input on or off Input on off It is also used to acknowledge the alarm indication in the display By pushing the button the indicated error is cleared as long as no alarm is still active and the button can be used as normal In remote operation i e control via a digital interface card the button can be used to forcibly reset from remote operation by pressing g
66. communication proto col The IEEE GPIB card IF G1 uses a text based protocol according to the SCPI standard All cards can be used to monitor and control 1 to 30 units by a PC whereas the total number of devices using IEEE is limited to 15 by the bus standard The network card IF E1b on one hand offers the same text based SCPI protocol like with the IEEE card On the other hand the card features an additional USB port which can used with the binary communication protocol as with the USB card IF U1 Setup for the different cards The cards require different setup parameters that need to be configured at least once They are described in section 7 Device configuration Further information and technical specifications of the interface cards can be found in their instruction manual Specialties The control of the electronic load via one of the interface cards and the supplied LabView VIs follow the operating conditions and nominal values of the device Set values are checked for plausibility and are corrected if necessary or forced to nominal values LabView We provide ready to use LabView Vls for the interface cards These do not support all of the features of the electronic load but are constantly under development and enhancement Programming in other environments The implementation of the digital communication inter faces in other IDEs than LabView is generally possible The communication protocol follows no certa
67. control via the analogue interface external control or via a di gital interface card remote control In order to prevent the user from accessing the device from two locations at once there are priorities Following applies The analogue interface has the highest priority the digital interface the second highest one and the manual control the lowest one It means that if the device was set to re mote control modes and set values can t be set with the switches and rotary knobs anymore If the device would be switched to external control while remote control is active the remote control status would be reset and the device would only be controllable via the analogue inputs In order to report this to a software running on a PC still trying to access and control the device the control loca tion is internally set to local In local status the device can only be read i e monitored by the PC 6 10 Series and parallel connection Parallel connection of multiple loads is possible but it is not explicitely supported That means there is no auto matic distribution of the current at parallel connection The user has to take care of the correct control of the devices When using parallel connection the symmectric distri bution is achieved by adjusting the same set values for U I P and R at any device via the control panel or the interfaces digital or analogue Attention Series connection is not allowed The device
68. d in The trigger input Trigger In has no function when controlling the load via analogue interface External mode That means that set value leaps have to be generated with the signal that is fed in to the set value inputs 8 2 Example configurations The table below shows example configurations for va rious single or combined regulation modes It always applies that pin 7 Remote always has to be pulled to 0V DGnd and pin 12 R Active too if resistance regulation is not used Explanation it is not necessarily required to give a fixed 10V to any non variable input It can of course also be a lower voltage in order to limit for example the power Best to tie the non variable inputs to VREF respectively to GND if required var variable set value 5 0 L can be of course pulsed in order to emulate the Level A B operation H L High or Low for level see table8 4 Date 11 02 2011 Handling the device 8 3 Example applications Overview of the pins AGnd RSEL DGnd PSEL Remote CSEL Rem SB VSEL OVP OT Trigger In VMON R Range CMON R active VRef Figure 16 Master Slave operation simulated A true Master Slave is not possible because the analo gue interface does not provide set value outputs But the monitor outputs CMON or in some cases even VMON of the master can be used to control at least one of the four set value inputs of one or multiple slave loads Master DGnd PSEL
69. e HIERE CAN Relocatable ID 0 31 0 CAN IF C1 CAN ID CAN 5 RID p CAN 32 x 30 ID CAN Base ID 5 01 0x000 0000 0x7FC 2044 0x000 0000 CAN IF C1 3 ID CAN ID CAN ID ID 3 ID Vector CAN dbc A Vector fem RAR SCAN ID System Vector 41 E TAKE CAN Broadcast ID 5 01 0x000 0000 0x7FF 2047 0x7FF 2047 CAN IF C1 ID Vector ID
70. e regulation speed or time of the load has delibera tely been set to slow and lies at typical 50ms only for CV and CP mode By this setting it is accomplished that critical feeding sources like power supplies with unknown regulation characteristics can be loaded steadily and run free from unwanted oscillation The dynamics is then situated at the given minimal regulation time See 2 2 Device specific data section Dynamics If a better regulation dynamics is required it can be ac tivated by switching the load to fast regulation This is done at the terminal System Bus Pin 7 FastReg and 6 AGnd If these pins are shorted the fast regulation becomes active By default the slow regulation is active Changing this configuration must only happen while the load is completely switched off from the mains 6 11 3 Crossflow adjustment two quadrant operation Using two quadrants operation i e running a load in combination with a power supply necessarily requires the use of the Share Bus whereby the load controls the power supply The pins 2 l Cross and 3 I Cross Rtn of the terminal System Bus are used to connect a resi stor 0 25W which injects a crossflow current between the power supply and the load This current effects that load and power supply are permanently active and thus can react faster to set value changes Following applies R 0 gt Crossflow current approx 10 of nom current of the device R inf
71. ed next to the set value which is dedicated to the currently chosen regulation mode in order to be instantly adjustable The set value s can be selected with Selection 5 and changed with Setting 6 Which set values are selectable depends on the regulation mode In constant current mode these are for example the current and the power because the set value for resistance is only available in resistance mode and the voltage value must be set to zero in constant current mode See figure 9 on the next page The set value of this mode is kept unchanged until it is adjusted again even if the load is switched to Level B AIB or Battery test This does not apply if the parameter Keep set values has been set to no see 7 1 The setup menu Then the set value is reset to certain default va lue depending on the currently active regulation mode also see 6 6 Preselecting the regulation mode In Level A mode the load can be switched to remote control from a PC and via the interface in order to control and monitor it like during manual operation When changing to remote control the currently selected Level Control setting is taken over and can then be changed by a command except with GPIB interface IF G1 Date 11 02 2011 Handling the device 6 7 2 Level B When switching to Level B with the selector Level Control 3 the set values of Level B become active This mode works the same way as Level A In Level B mode the l
72. elects the regulation mode which determines the internal regulation characteristic Four regulation modes are available CC CV CP and CR The set values will later determine the true behaviour of the device CC means constant current Here are the set values of current and power adjustable In this mode the input current is regulated and limited to the adjusted value current limitation as far as the feeding source is able to deliver the current The set value of power is additionally limitting the consumed power and additionally effects the maximum current The power limitation is dominant over the current limitation A changeover to regulation mode CC can reset the set value of power to its nominal value and the set value of current to 0 if the parameter Keep set values has been set to no in the setup If set to yes the least adjusted set values are kept Also see 7 1 The setup menu CV means constant voltage Here are the set values of voltage current and power adjustable In this mode the input voltage is limited to the adjusted set value by loading the feeding source so much that its output voltage collap ses If the feeding source is able to deliver more current than the device is able to withdraw then the voltage limit can not be achieved Instruction Manual EL 9000 HP Series Handling the device A changeover to regulation mode CV can reset the set values of voltage power and current to their nominal values if t
73. ercooling Internally integrated water cooling facility No additional cooling by fans anymore but power stage shut off at overtemperature The watercooling is used to gain a higher continuous input power and can decrease the temperature depending power derating of the load or even avoid it completely Instruction Manual EL 9000 HP Series Date 11 02 2011 gt m EA Elektro Automatik GmbH amp Co KG Helmholtzstra e 31 33 41747 Viersen Germany Tel 49 2162 37 850 Fax 49 2162 16 230 ea1974 elektroautomatik cn www elektroautomatik cn
74. es If you connect the CAN card to an existing network you got to set the same baudrate here as the bus is using becaus any device in a bus has to use the same bus speed CAN ID System available since firmware 5 01 Possible settings normal Vector Default setting normal Belongs to CAN interface card IF C1 Explanation with this the user selects whether to use the normal CAN ID system with 2 IDs per unit or the new Vector compatible CAN ID system with 3 IDs per unit With setting normal the two IDs per unit build from the Device node and the Relocatable ID see external interface cards manual for calculation scheme With setting Vector the device will be assigned three CAN IDs starting from the base ID see below which is adjustable in steps of four withing the whole ID range 11 bits 0 2047 An additi onal ID is assigned as broadcast ID which is seperate from the three base IDs Note depending on the setting being normal or Vector subsequent parameters will change CAN Relocatable ID Possible settings 0 31 Default setting 0 Belongs to CAN interface card IF C1 Explanation this determines the relocatable address segment in which the CAN IDs of the device are located For further information refer to basic CAN topology datas heets Example if the electronic load has to be assigned to address 5 by certain reasons and this would collide with another bus member with the same address you can move the addres
75. f 4 and either stops after 100 hours are counted or the battery voltage exceeds the undervoltage threshold Another press of the button Input on off 4 during the test halts it another press will continue the test A reset of the time counter is done by leaving the battery test mode by switching the selector Level Control 3 to position Level A B or Setup or by switching to a different regulation mode with Mode 2 Note if external control by analogue interface is activated pin REMOTE low while the battery test is running the test is aborted After external control has left again and f the switch Level Control is still in position Battery the test can be started again Time and Ah value are reset Note if the regulation mode is changed by Mode 2 all other set values that are not adjustable for the selected regulation mode are set to default values in order to let the test mode work correctly Hence the setting Keep set values is ineffective here The example in figure 13 shows that the current of 100A can not be reached because the power limitation has become active example of a 2400W model Note The time display is not 100 exact The deviation of the displayed time to the actually elapsed time can be 1 2 seconds per hour Date 11 02 2011 Handling the device 6 9 Control locations and priorities Control locations are the locations from where the device is controlled This can be at the device manual
76. formation see section 8 The analogue interface 30 Date 11 02 2011 aktueller Sollwert active sel value Unterspannungsschwelle Under voltage threshold Js A EN Sollwerte Fehler und weitere Me werte Set values errors and further values Beispielanzeige Batterietestmodus Example display of battery test mode entnommene Kapazit t consumed capacity Zeitz hlung Time counter Alarm management The signals Overvoltage or Power fail indicate the presence of an error A power fail alarm occurs if the mains input voltage is too low An overvoltage alarm is indicated ifthe overvol tage limit for the DC input has been exceeded see 2 2 Device specific data for the limit Both alarms switch the load input off After removal of the cause it can be put online again Alarm indications remain in the display until acknow ledged The purpose is to inform the user that an alarm is either active or already gone Example un gee Be be mh 1 y aa La i a i gomet u Ses F E i IL sie E a i u hgp ipy i la Figure 7 An active alarm has priority over a gone alarm If two alarms are active then overvoltage has priority over power fail in the display Only alarms with status gone can be acknowledged Acknowledging is either done with the pushbutton Input on off or by reading the internal alarm buffer via a digital interface card The buffer is cleared after re
77. gure 1 3 2 Rear view Analogschnittstelle DC Lasteingang Netzeingangsbuchse Kartensteckplatz Analogue interface System Bus Klemme DC load input Mains input socket Card slot System Bus terminal 5 System Bus MH Power Input 11S230VAC Figure 2 Netzspannungswahlschalter L ftungsaustritte Netzsicherung Mains voltage selector Vorsicht Hei e Luft Mains fuse Ventilation outlets Caution Hot air Instruction Manual Date 11 02 2011 EL 9000 HP Series About the device 3 3 Scope of delivery 1 x Electronic load 1 x Printed instruction manual 1 x Mains cord 1 x WAGO plug 7pole System Bus plugged 4 General 4 1 Prologue Warning This instruction manual and the device are intended to be used by users who know about the principle of an electronic load The handling of the device should not be left to persons who are unaware of the basic terms of electrotechnology because these are not described in this manual Inappropriate handling and non observance of the safety instructions may lead to a damage of the device or loss of warranty 4 2 Mains connection Grounding The unit is grounded with the mains cord Thus the unit may only be operated at a mains socket with grounding contact This must not be interrupted with an extension cable without grounding wire 4 3 Cooling The air inlets on the front and the air outlets at the rear have to be kept clean to ensure proper cooling Take care of at least
78. h current and power The example in figure 20 shows potentiometers one each for the set value of power and current which are referenced to VREF 10V and AGND With this you can arbitrarily adjust current and power between 0 and 100 Voltage set value VSEL and signal R active tied to OV here for correct operation Figure 20 External control with current onl Instruction Manual EL 9000 HP Series Handling the device EN Like in the example above but only current adjustable The power is set to maximum DGND Figure 21 8 4 Pin assignment of the analogue interface 0 10V corresponds to 0 100 of U nom Accuracy typically 0 1 Pz eset Ar fetva oreurrent 0 70V caresponds 160 100 of ax input impedance Ri gt 40k 100K 0 10V corresponds to 0 100 of R nom 5 JAGND POT Reference potential for analogue For VSEL CSEL PSEL RSEL VMON CMON signals PMON and VREF 7 le DGND POr Reference potentalfordigial signals _________________ Forconielandemorsigik Remote Selection internel external External LOW U oy lt 1V U range 0 30V u ee Internal HIGH U pign gt 4V or open max 1mA at 5V Rem SB Load input on off OFF LOW U ow lt 1V U Low to High typ 3V u ee ON HIGH U pign gt 4V or open Sender open collector against DGND ca VMON Actual value of voltage 0 10V correspond to 0 100 of U nom Accuracy typically 0 1 at max 2mA CMON Istwert Strom 0 10V correspond to 0 100
79. he parameter Keep set values has been set to no in the setup If set to yes the least adjusted set values are kept Also see 7 1 The setup menu Note the CV regulation can not be used in combination with the battery test mode Selecting it for battery test will indicate an error message on the display Note the voltage set value which is assigned to the regulation mode CV must be set to 0 in any other regu lation mode That s why it is not accessible in the manual operation in the CC CP or CR modes During remote control the voltage set value can be sent to the device but will be ignored and an access error will be reported by the communication During external control analogue interface there is an exception the voltage set value must be given and can be used as desired but should be set to OV if normal CC CP or CR operation is required CP means constant power Here are the set values of power and current adjustable In this mode the device withdraws as much current as neccessary from the feeding source in order to consume the adjusted power dependent on the input voltage P U I In case the input voltage is so low thatthe withdrawn current exceeds the nominal current ofthe device the adjusted power can not be achieved Simultaneously the current limitation becomes active A changeover to regulation mode CP can reset the set value of current to its nominal value and the set value of power to 0 ifthe parameter
80. in standard and represents only the lowest level of the communica tion At this level it provides lower safety against wrong setup and wrong set values which may lead to a misbe haviour of the addressed unit A strict adherence of the guidelines is mandatory Details about the communication protocol can be found in the instruction manual of the interface cards 42 Date 11 02 2011 EN The following figures show only some of many possible applications when controlling one or multiple electronic loads by a PC The same applies for mixed configurations with power supplies Application examples The configuration shown in figure 17 can also be used for RS232 with the interface card IF R1 but with limita tions The LabView VIs currently only support one unit via RS232 Figure 22 Figure 23 JS A Instruction Manual EL 9000 HP Series Handling the device 10 Miscellaneous 10 1 Accessories and options Note Details about options and accessories are avaible in seperate instruction manuals Following accessories are optionally available a USB to Analogue interface UTA12 Galvanically isolated remote control via USB on PC side and the device internal analogue interface b Digital interface cards Galvanically isolated pluggable and retrofittable digital interface cards for USB RS232 CAN GPIB IEEE SCPI only or Ethernet LAN SCPI language are available Following options are available a Wat
81. inite gt Crossflow current O default The crossflow current can be continuously adjusted with the resistor from 0 to 10 of the nominal current of the load In practice this is only used in a little number of special applications where extremely fast load changes are re quired between the two quadrants Common applications like for example automotive start up transients after DIN40839 do not require this feature 6 11 4 Remote sense The remote sense feature is described in section 5 Installation 6 11 5 Pin assignment of terminal System Bus Pin 1 Sense Pin 2 Cross Pin 3 I Cross Rtn Pin 4 Sense Pin 5 Share Bus Pin 6 AGnd Pin 7 FastReg Instruction Manual EL 9000 HP Series EN 7 Device configuration 7 1 The setup menu The setup menu can only be activated by the selector Level 3 except during remote control While the load is in setup no normal load operation is possible The display shows a certain number of parameters depending on which interface card is installed The para meters are selected by knob Selection 5 and changed with knob Setting 6 Two small triangles on the right side of the display indicate that multiple parameters are available The display furthermore shows the type string of the installed card in the first line for example IF U1 if one is equipped Li i Figure 14 The second line subsequently shows all available para meters which
82. mains switch After powering the device up type and firmware version are shown on the display After the internal system has booted and performed some tests either default set values are set or the last set values are restored depending on the setting Keep set values The load s DC input will always be offline after the first start 6 4 Switching the DC input on off By pressing the pushbutton Input on off 4 the DC input of the load input is switched on and the device starts to work as a load Pressing the button again switches the input off The input can also be switched off with the pin named REM SB on the analogue interface pin low if it was on before Switching the input on if it was off before is not possible While the load is working all four actual values of current voltage power and resistance are indicated on the left half of display When the load input is off only the actual value of volta ge is indicated because there are no reasonable other actual values available at this moment In battery test mode the time counter is also halted resp continued if the pushbutton is pressed The activation of the load operation can be inhibited by certain reasons For example ifan overvoltage or another error is persistent or the load is remotely controlled by the analogue or digital interface interface card The standby state input off is displayed like this Du d rt T PEF ea eee pig gi
83. n low REM SB 4 ER 6 5 ER External mode Remote mode a TEA B A B Battery Selection 5 Setup II RAKE b Selection 5 Setting 6
84. oad can be switched to remote control from a PC and via the interface in order to control and monitor it like during manual operation When changing to remote control the currently selected Level Control setting is taken over and can then be changed by a command except with GPIB interface IF G1 6 7 3 Level A B pulsed operation This mode combines two set values A and B with two seperately adjustable pulse widths for A and B The electronic load generates automatic set value leaps bet ween A and B with those values The rise fall time is also adjustable This pulsed operation is only applied to the set value which belongs to the selected MODE means in CV the voltage is affected etc The other set values remain constant Also see figures 11 and 12 The pulse width of Ais dedicated to the set value of A etc The sum of the pulse widths results in a period f which represent a certain frequency f 1 t The pulse widths are adjustable from 50us 100s which results in a period of 100us 200s which corresponds to a frequency of 10kHz 0 005Hz Note Alarms like OVP or PF power fail see section 6 1 item Alarm management which switch offthe input also stop the pulsed operation It can be resumed as soon as all alarms are gone and have been acknowledged External trigger The external switchover between A and B realised with the trigger input analogue interface is only available in Level A B mode The trigger input has to
85. old Set values errors and other information Example display of battery test mode Consumed capacity E A Active set value Time counter A Overvoltage Power fail 2 2 gone nput on off REM SB low
86. pushbutton Display formats The nominal values determine the adjustable range Actual and set values are displayed all at once as long as the currently active operation mode allows it Display of voltage values 4 digits 0 0V 999 9V Resolution Formats Display of current values Resolution 4 digits Formats 0 00A 99 99A 0 0A 999 9A Display of power values 4 digits OW 9999W Resolution Formats Display of resistance values Resolution 4 digits Formats 0 000 99 990 0 00 999 90 Display of time The elapsed time only battery test mode is display in the format Hours Minutes Seconds HH MM SS Resolution 1s Range 1s 99h 59m 59s 99 59 59 This time stamp can be read out via one of the pluggable interface cards together with the pulse widths and rise time of the dynamic Level A B operation The dynamic values can also be set remotely In order to do so the time format has been extended so it can represent 1us up to some years Detailed information about this can be found in the in struction manual of the interface cards Date 11 02 2011 About the device EN 2 2 Device specific data ee EL9080 400 EL 9160 200 EL9400 100 EL9400 100 S01 EL9750 50 Mains input Mains voltage 115V 230V selectable Mains frequency 50 60Hz Mains fuse T2 5A DC input Input voltage U om Input power Prom 4800W with temperature related derating permanent power 3000W at 20 C ambient temp Input curren
87. re controlled fans 0 70 C with derating 20W C Load input rear side M8 screw terminal System Bus rear side 7 pole screw clamp Analogue interface rear side 15 pole Sub D socket 19 x 4U x 460mm Weight 26kg Supported interface cards CAN USB RS232 GPIB Ethernet Article number 33 200 231 33 200 234 33 200 237 33 901 237 33 200 253 for technical specification see section Analogue interface Accuracy is defined as the max allowed difference between actual value and set value always related to the nominal value Example nom value is 400A and accuracy is given with 0 2 A set value of 20A may thus result in an actual value of 19 2A 20 8A Rise and fall time are defined at 10 90 and 90 10 of the nominal value All single values which specify a tolerance are typical values Instruction Manual EL 9000 HP Series Date 11 02 2011 About the device EN 3 Design 3 1 Front view Zweizeiliges Punktedisplay dot display two line 164 AU 4868 BY Level A 30 8A Je 30 268 Ga O 5 0 E EA A A EA AAA ESS SSD Sollwert Einstellung ausw hlen O CD A O O O A A A Cra nos ah Select values settings Ds Control type i ELECTRONIC LOAD MH OD D A A A A A Sollwerte Einstellungen ndern SS ee Betriebsart Change set values settings 160 2004 EEE GE GE GE ee GE ee GE fi d 9 ag 2001005 amp gt CHD HD HD ND D A Operation moda Metzschalter Mains switch Fi
88. rom Pin 12 R active to Pin 6 DGND Pin 12 Low Resistance regulation inactive Pin 12 High Resistance regulation active if resistance regulation is used you can select the resistance range before or while using the analogue interface Pin 13 R Range is used to switch between the two ranges Pin 13 Low Resistance range 2 is used Pin 13 High Resistance range 1 is used default Instruction Manual EL 9000 HP Series EN The input Rem SB Remote Standby Pin 8 overrides the pushbutton Input on off 4 That means that you can switch the load input off with this pin at any time even if the load was not set to external control via the analogue interface and as long as this pin is tied to OV ground the load input will be permanently off and can not be set to on with the pushbutton Input on off 4 or via remote control by an interface card The output VREF can be used to generate set values for the set value inputs VSEL CSEL PSEL and RSEL For example in case that only CC regulation is required the set value input VSEL has to be tied to OV PSEL to VREF and CSEL can either be fed from an external 0 10V source or via a potentiometer GND and VREF slider to CSEL See also the table below Adjustable rise fall times and pulse widths like in the Level A B mode are not effective here If a certain form of amplitude time progression is favoured it has to be generated by an external function generator and fe
89. s could be damaged Date 11 02 2011 EN 6 11 Functions of the connector System Bus 6 11 1 Two quadrants operation The Share Bus of the electronic load is compatible for so called two quadrants operation with certain power supply series e Serie PS 9000 e Serie PSI 9000 e PSI 8000 DT 2U e PS 8000 DT 2U Note two quadrants operation is only suitable for CV mode constant voltage Other series or subseries even ifthey do feature a Share bus are not compatible or only by extra measures The connection for two quadrants operation is as follows PS 9000 PSI 9000 Connect pin 5 Share Bus of the EL9000 to pin 5 Share Bus of the power supply and pin 6 AGND of the EL9000 with pin 6 AGND of the power supply PS 8000 PSI 8000 Connect pin 5 Share Bus of the EL9000 to pin 7 Sha re Bus of the power supply and pin 6 AGND of the EL9000 with pin 6 AGND or Share Bus of the power supply In Share Bus operation the electronic load operates as the leading component and the power supply as the depending one Typical applications for the two quadrants operation are e Battery tests with automatic charge and discharge cycles Automotive electronic tests with simulation of transients like for example voltage break ins during engine starts e Cyclic charging and discharging of capacitors Instruction Manual EL 9000 HP Series Handling the device 6 11 2 Selecting the regulation speed Th
90. s to another segment by defining the RID short for relocatable ID so that no collision can occur Hence there are theoretically 32 x 30 possible device nodes with two IDs each available when using CAN CAN Base ID available since firmware 5 01 Possible settings 0x000 0000 Ox7FC 2044 Default setting 0x000 0000 Belongs to CAN interface card IF C1 Explanation this adjusts the base ID for the CAN ID sy stem which uses three IDs see above at CAN ID System With the three IDs per unit the system is compatible to Vector software and the so called CAN databases dbc The base ID is adjustable in steps of four Also see the further documentation for the Vector system which is included with the databases Note this setting is only availabe if CAN ID System Vector has been selected see above CAN Broadcast ID available since firmware 5 01 Possible settings 0x000 0000 Ox7FF 2047 Default setting Ox7FF 2047 Belongs to CAN interface card IF C1 Explanation the broadcast ID is an additonal ID of the Vector ID system It is generally used to send broad castmessages to multiple bus members at once Those units when addressed by this ID will act the same time executing the same command like setting current With this 1D only settings or values can be sent and nothing can be queried Note this setting is only availabe if CAN ID System Vector has been selected see above CAN Bus terminate
91. side is another interface with important features For pin assignment and detailed description see section 6 11 Functions of the connector System Bus Any connection here must only be done when the device is switched off 5 6 Using and connecting the remote sense The remote sense feature is wired at terminal System Bus Also see section 6 11 for further information In order to compensate voltage drops over the load cables max 1 1V per line between feeding source and con sumer the load can measure the voltage at the source via the remote sense input poles at the terminal System Bus and regulates accordingly The connection is done with correct polarity at the rear side of the device at the terminal System Bus at pin 1 Sense and pin 4 Sense Recommended cross section 0 2mm 2 5mm flexible wire with cable end sleeves Sense must only be connected to output and Sense must only be connected to output of the feeding source Else both device might get damaged 5 7 Interface card slot The unit can be equipped with an optional interface card The slot to insert the card is located at the rear side Further information about the interface cards can be found in section 9 Date 11 02 2011 Handling the device 6 Handling For an overview of all operating elements also see sec tion 3 1 6 1 The display This is an overview of the two line display and its layout The left side
92. st Figure 8 Date 11 02 2011 6 5 Adjusting the set values Note Set values which must not be changed in the cur rently selected regulation mode are not shown and can not be selected changed Set values can be selected and adjusted as long as the display does not show the status texts External mode or Remote mode a Selecting the set value to adjust In the operation modes A B A B and Battery the set value to change is selected by rotating Selection 5 In the setup menu position Setup it is used to select a different setup parameter Also see 7 1 The setup menu b Adjusting the set value The previously with Selection 5 selected set value is changed with Setting 6 It applies the faster the knob is rotated the faster the set value is increased or decreased the step width changes Slow rotation hence changes the set value in small steps while fast rotation changes it in big steps In case the upper or lower limit of the set value is reached while rotating the set value will remain at its limit until it changed again by rotating the knob in the opposite direction Important Note that in Level A B mode any set value of Level A must always be greater than or equal to Level B The result of this is that Level B can upwards only be adjusted to the value of Level A and Level A can downwards only be adjusted to the value of Level B 6 6 Preselecting the regulation mode The selector Mode 2 pres
93. t 3s New since Firmware 5 01 in mode Battery the button can be used to reset time and Ah counter if pressed gt 3s in offline state Rotary knob Selection 5 Selection N This rotary knob has no end stop With every position Selection 5 selects another ele ment in the display resp another parameter in the setup menu An arrow gt is placed in front of the selected element parameter The selection order is when rotating clockwise top bottom right bottom That means if the arrow is pointing to the voltage set value it will be moved to the set value for current and then to the power set value etc when rotating clockwise Counter clockwise rotation moves the arrow in reversed order Date 11 02 2011 31 Handling the device Rotary knob Setting 6 This rotary knob has no end stop With every position Setting 6 changes the set value resp the parameter in the setup menu which was chosen before by Selection 5 setting O N It applies the faster the knob is rotated the faster the set value is increased or decreased the step width changes Slow rotation hence changes the set value in small steps while fast rotation changes it in big steps In case the upper or lower limit of the set value is reached while rotating the set value will remain at its limit until it changed again by rotating the knob in the opposite direction 6 3 Switching power on The device is powered by switching the
94. t lhom 200A 100A 100A Overvoltage protection threshold A max allowed input voltage 180V 460V 483V Voltage control Adjustment range 0 400V 0 750V Display resolution 100mV 100mV Accuracy lt 0 1 of Unom lt 0 2 Of Unom Current control Adjustment range 0 100A Display resolution 10mA Accuracy lt 0 2 of Inom Power control Adjustment range 0 4800W 0 4800W 0 4800W 0 4800W 0 4800W Display resolution 1W 1W 1W 1W 1W Accuracy lt 2 Of Prom Resistance control Adjustment range 1 Display resolution Adjustment range 2 Display resolution Accuracy lt 2 of the selected resistance range 0 3 of the maximum input current Dynamic values Current rise and fall time lt 50us Level 2 adjustable levels per control mode Times pulsed operation 2 adjustable 50us 100s Rise fall time adjustable 30us 200ms Accuracy lt 10 Trigger input yes for external level switching Battery test feature Modes current resistance power Battery protection final discharging voltage adjustable Display time and consumed battery capacity Analogue interface Set value inputs 0 10V for U I P R 0 100 set value Monitor outputs 0 10V for U I 0 100 actual value Control signals internal external input on off R range 1 or 2 Error signals overvoltage overtemperature reference voltage temperatu
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