Wiring I/O Diagrams

Analog Input

Make sure the Analog jumpers support the software setting; see Analog Input Module on page 367 for jumper settings.

Current

To connect channel A1 with a 2-wire shielded cable, connect the positive wire to A1+, the negative wire to A1-, and optionally the shield to GND.

A1+ A1-

A2+

A2-

A3+ A3-

A4+

A4- GND

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

+

-

shield

If you have the positive/negative wires reversed, the output will always read 0 (zero).

Voltage

To connect to Channel A1 with a 2-wire shielded cable, connect the positive wire to A1+, the negative wire to A1-, and optionally the shield to GND.

A1+ A1-

A2+

A2-

A3+ A3-

A4+

A4- GND

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

+

-

shield

If you have the positive/negative wires reversed, the polarity of the voltage will be reversed.

I/O Wiring Diagrams 371

Page 371
Image 371
Perle Systems SCS, STS manual Analog Input, Current, Voltage