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Wiring Precautions Section 3-6
3-6-2 Connecting I/O Devices
Input Devices Use the following information for reference when selecting or connecting input
devices.
DC Inputs The following types of DC input devices can be connected.
IN
COM
7 mA
0 V
+
+
COM
IN
IN
COM
+
+
Output
Contact output
Two-wire DC output
NPN open-collector output
DC input
DC input
DC input
Sensor
power
supply
Sensor power
supply