Omron CJ1M-CPU series - Connecting IO Devices

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Wiring Section 5-3
5-3-4 Connecting I/O Devices
Input Devices
Use the following information for reference when selecting or connecting input
devices.
DC Input Units The following types of DC input devices can be connected.
COM
+
+
COM
0 V
7 mA
COM
Output
Contact output
Two-wire DC output
NPN open-collector output
IN DC Input Unit
IN DC Input Unit
IN DC Input Unit
Sensor
Power
Supply
Sensor
Power
Supply