
Appendix A: Wiring
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PLC
RMC Module
Input
b
Input Common
Power
Output
Input
a
Output
Discrete Input Wiring
To turn on a discrete input, apply a voltage of the correct level. The
polarity is unimportant.
DI/O and UI/O Module
Because all the inputs share a common, all inputs on the same module
must be wired the same.
Example
RMC150E Module
Each
input has a “+” and “–” connection.
Example
RMC150E
DI/O
UI/O
Signal Levels
12-24 VDC
5-24 VDC
12-24 VDC
Max Current
Draw
3 mA max
6 mA at 5V
10 mA at 24V
3 mA max
RMC Module
Input +
Input -
Apply 12-24 VDC across
input to turn on
PLC
RMC Module
Input +
Input -
Power
Output