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QLS Quad Output

4-20 mA Current Loop

Splitter / Retransmitter

With ±10V common mode isolation

between input & outputs

ISE, Inc.

10100 Royalton Rd., Cleveland, OH 44133 USA

Tel: (

440

)

237-3200

Fax: (

440

)

237-1744

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Summary of Contents for QLS-1

Page 1: ...d Output 4 20 mA Current Loop Splitter Retransmitter With 10V common mode isolation between input outputs ISE Inc 10100 Royalton Rd Cleveland OH 44133 USA Tel 440 237 3200 Fax 440 237 1744 Website ISE...

Page 2: ...loop loose their 4 20 mA signal The transmitter voltage compliance limit may be exceeded since the voltage drops across loads in series are additive Also the 4 20 mA signal to each load device cannot...

Page 3: ...48 Vdc power connector is colored Black This unit has no power switch It will be in operation as soon as power is applied To avoid dangers of electrocution and or short circuit do not attempt to open...

Page 4: ...al input connector on the circuit board The factory default input setting is 4 20 mA To change jumpers remove power then open the case by removing the screws at the four corners of the case Store the...

Page 5: ...y tied to signal ground SG which can be floating or be connected to earth ground Grounded loads Any output load R can be connected to a local loop ground LG instead of current return The loop grounds...

Page 6: ...marked Z for zero and S for span on the front panel The unit is factory jumpered and calibrated so that 4 20 mA in produces 4 20 mA out on all output channels To set or calibrate an output channel app...

Page 7: ...error at 23 C Span Tempco 10 ppm C 0 16 A C typical 25 ppm C 0 4 A C max AC Rejection 90 dB from DC to 60 Hz Response Speed 2 ms risetime 7 ms settling time to 0 1 of final value Current Test Point 10...

Page 8: ...Mishandling or abuse The warranty set forth above is exclusive and no other warranty whether written or oral is expressed or implied Laurel specifically disclaims implied warranties of merchantabilit...

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