Omron CJ2 - Connecting I;O Devices

5 Installation
5-32
CJ2 CPU Unit Hardware User’s Manual
Use the following information for reference when selecting or connecting input devices.
z DC Input Units
The following types of DC input devices can be connected.
• The circuit below should NOT be used for I/O devices having a voltage output.
5-3-5 Connecting I/O Devices
Input Devices
COM
Output
Contact output
Two-wire DC output
NPN open-collector output
DC Input Unit
Sensor
Power
Supply
IN
Sensor
Power
Supply
COM
DC Input Unit
IN
COM
DC Input Unit
IN
COM
DC Input Unit
IN
0 V
7 mA
COM
NPN current output
PNP current output
Voltage output
Current
regulator
IN
DC Input Unit
Sensor
Power
Supply
Sensor
Power
Supply
DC Input Unit
COM
IN
Sensor
Power
Supply
0 V
7 mA
Output
0 V
7 mA
Output
0 V
Output
0 V
COM
Voltage output
Sensor
Power
Supply
IN
Output
DC Input Unit