Omron CPM1A Operation Manual page 81

Wiring and Connections
Input Devices
Device
Relay output
NPN open collector
NPN current output
PNP current output
Voltage output
58
The following table shows how to connect various input devices.
Relay
5 mA/12 mA
Sensor
+
Sensor power
supply
Output
5 mA/12 mA
0 V
Constant current
circuit
+
Output
5 mA/12 mA
0 V
+
5 mA/12 mA
Output
0 V
+
Output
0 V
Sensor power
supply
Circuit diagram
IN
COM (+)
IN
COM (+)
Use the same power supply for
the input and sensor.
IN
+
COM (+)
Sensor power
supply
IN
COM (–)
COM (+)
IN
Section 3-4
CPM1A
CPM1A
CPM1A
CPM1A
CPM1A