LASCAR - SP 5-1200-BL 2-Wire Signal-Powered Meter Manual
Contents
1. Metal Clip lt lt gt 1 2 3 FUNCTIONAL BLOCK DIAGRAM V BL N x BL V Y Vy VY A D CONNECTIONS rear view V OV BL BL scak 7 ctronics com Page 2 of 3 S a 5 1 2 00 B L 2 Wire Signal Powered Meter SCREW TERMINAL FUNCTIONS V Positive power supply to the meter voltage being measured OV OV power supply to the meter voltage being measured BL Positive power supply to the LED backlighting BL Negative power supply to the LED backlighting When the jumper linkis placed over both pins located next to the screw terminals this connects the 0V of the LED backlighting to the OV of the signal being measured This allows for 3 wire operation of the module This connection should only be made if both power supplies can share acommon OV line SCALING This module cannot be re scaled for other voltage or current scales APPLICATIONS 4 to 25Vd c 4 to 25Vd c j VBL S1 R VBL 5V 0 05 R R is not needed if VBL 5V then OV OV 0V connect BL to OV Measuring a voltage in the range 4 to 25V d c Powering the LED backlighting from a separate supply Close switch S1 to turn on the backlighting Note add a series resistor R if the backlighting supply voltage is higher than 5V d c 7 5 to 25Vd c S1 7805 High input volta2. S P 5 1 2 00 B L 2 Wire Signal Powered Meter This low cost compact indicator is ideally suited for low or high volume applications SP 5 1200 BL is an easy to mount LCD digital panel meter The module features a 4 to 25V measurement range with 100mV resolution and is powered from the signal it is measuring Only valid readings are displayed the module indicates LO at voltages below 4V and HI at voltages above 25V Screw terminals allow for quick and easy connection The module is panel mounted using the metal clip provided and a rubber seal is included providing splashproof protection for the unit when fitted to the meter during installation 2 Wire Operation excluding backlighting 4 to 25V d c Full Scale Reading 18mm 0 7 LCD Digit Height Reverse Polarity Protection No Calibration Required pre calibrated for use Splashproof LED Backlighting via separate supply Screw Terminal Connections ELECTRICAL SPECIFICATIONS Specification Accuracy overall error Linearity Valid displayed reading Resolution Sample rate Operating temperature range Supply voltage V 1 count count d RT om mV d c samples sec Meter Backlighting Meter Backlighting 50 At voltages below 4 0V d c the LCD will display L2 and will ultimately go blank At Voltages in excess of 25 0V d c the LCD will display HI Do NOT exceed 50V d c as this may damage the meter The module includes r
3. everse polarity protection up to 30V for up to 30 seconds Operation and accuracy at voltages above 25 0V or below 4 0V are not specified N lt lt lt ZlS ol s lola a e Supply current 9V d c 3 gt SAFETY To comply with the Low Voltage Directive LVD 93 68 EEC input voltages to the module s connections must not exceed 60Vd c The user must ensure that the incorporation of the meter into the user s equipment conforms to the relevant sections of BS EN 61010 Safety Requirements for Electrical Equipment for Measuring Control and Laboratory Use LASCAR ELECTRONICS LTD LASCAR ELECTRONICS INC LASCAR ELECTRONICS HK LIMITED MODULE HOUSE 3750 West 26th Street FLAT C 5 FL LUCKY FTY BLDG WHITEPARISH Erie 63 65 HUNG TO ROAD WILTSHIRE SP5 2S PA 16506 KWUN TONG KOWLOON UK USA HONG KONG TEL 44 1794 884567 TEL 1 814 835 0621 TEL 852 2797 3219 FAX 44 1794 884616 FAX 1 814 838 8141 FAX 852 2343 6187 E mail sales lascar co uk E mail us sales lascarelectronics com E mail b4lascar samsongroup com hk a LASCAR Wwww lascarelectronics com Page 1 of 3 SP 5 1200 BL 2 Wire Signal Powered Meter DIMENSIONS All dimensions in mm inches 48 0 1 89 x 46 0 1 81 ab c gt ara A A Ta 3 2 S isa A Yy A lt gt m 14 4 0 57 14 4 0 57 a 0 95 0 04 b 6 5 0 26 c 8 5 0 33 Panel thickness 1 0 2 0 0 04 0 08 PANEL FITTING Panel Module Seal
4. ge version i ov Powering the LED backlighting from the voltage being measured The additional load of the backlighting on the voltage being measured may cause this voltage to drop The voltage regulator may require a heatsink to limit its temperature rise Ensure that the maximum input specification of the voltage regulator considerable exceeds the maximum peak voltage that can be experienced on the supply line being monitored Specifications liable to change without prior warning SP 5 1200 BL Issue 3 July 2003 M C Applies to SP 5 1200 2 a LASCAR www lascarele ics Page 3 of 3
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LASCAR SP 5 1200 BL 2 Wire Signal Powered Meter Manual