Omron SYSMAC CS Series Operation Manual page 368

Wiring
AC Input Units
330
NPN current output
+
Current
regulator
PNP current output
+
Voltage current output
+
The circuit below should NOT be used for I/O devices having a voltage output.
Voltage output
+
Output
0 V
The following types of AC input devices can be connected.
Contact output
AC Switching
Proximity
switch
main
circuit
Output
Sensor
7 mA
Power
0 V
Supply
Sensor
Power
Supply
Output
7 mA
0 V
Output
Sensor
0 V
Power
Supply
Sensor
Power
Supply
Section 5-3
IN DC Input Unit
COM
IN AC/DC Input Unit
COM
COM
IN DC Input Unit
IN DC Input Unit
COM
IN AC Input Unit
COM
IN AC Input Unit
COM