Omron CPM2C Operation Manual page 136

Wiring and Connections
Input Devices
Device
Relay output
NPN open collector
NPN current output
Constant
current
circuit
PNP current output
Voltage output
The following table shows how to connect various input devices.
5 mA/6 mA/8 mA
Output
5 mA/6 mA/8 mA
0 V
Output
5 mA/6 mA/8 mA
0 V
5 mA/6 mA/8 mA
Output
0 V
Output
0 V
Note Do not use the following wiring with voltage-output devices:
Output
0 V
Circuit diagram
Sensor
power supply
Sensor power
supply
Sensor power
supply
Incorrect Wiring
Sensor power
supply
Section 3-4
IN
CPM2C
COM (+)
IN
CPM2C
COM (+)
Use the same power supply for
the input and sensor.
IN
CPM2C
+
COM (+)
IN
CPM2C
COM (+)
COM (+)
IN CPM2C
IN
CPM2C
COM(+)
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