Omron CPM1A operation manual Input Devices, Device Circuit diagram

Wiring and Connections		Section 3-4
Input Devices	The following table shows how to connect various input devices.
Device	Circuit diagram
Relay output	Relay
		IN
	5 mA/12 mA	CPM1A
		COM (+)
NPN open collector	Sensor

+Sensor power supply

	Output	IN	CPM1A
	5 mA/12 mA
	0 V	COM (+)
NPN current output		Use the same power supply for
		the input and sensor.

Constant	current
circuit	+
	Output	IN	CPM1A
	5 mA/12 mA
		+
	0 V	COM (+)

PNP current output

+	Sensor power	CPM1A
5 mA/12 mA	supply
		IN
Output

0 V	COM (–)
Voltage output
+	COM (+)	CPM1A
Output	IN
0 V	Sensor power
	supply

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