Omron SYSMAC CPM2B Operation Manual page 58

Wiring and Connections
Input Devices
Device
Relay output
NPN open collector
NPN current output
PNP current output
Voltage output
46
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
Constant
Output
current
circuit
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
IN
COM(+)
Section 3-5
IN
CPM2B
COM (+)
IN
CPM2B
COM (+)
Use the same power supply for
the input and sensor.
IN CPM2B
COM (+)
CPM2B
IN
COM (–)
COM (+)
CPM2B
IN
CPM2B