Omron CS1D DUPLEX SYSTEM - 10-2009 Operation Manual page 218

Wiring Methods
182
• NPN open-collector output
Sensor Power
Supply
+
Output
7 mA
0 V
• NPN current output
+
Current
regulator
Output
7 mA
0 V
Sensor Power
Supply
• PNP current output
Sensor Power
Supply
+
Output
7 mA
0 V
• Voltage current output
+
Output
0 V
Sensor Power
Supply
The circuit below should NOT be used for I/O devices having a voltage output.
Sensor Power
Supply
+
Output
0 V
IN DC Input Unit
+
COM
DC Input Unit
IN
+
COM
AC/DC Input Unit
IN
COM
+
COM
DC Input Unit
IN
DC Input Unit
IN
COM
Section 5-4