Omron CK3M Seres Hardware User Manual page 210

5 Wiring
NPN type
Transistor Output
Unit
Countermeasure 2
Mount a limiting resistor.
NPN type
Transistor Output
Unit
5-32
OUT
L
+
R
COM
R
OUT L
+
COM
CK3M/CK5M Series Programmable Multi-Axis Controller Hardware User's Manual (O036)
PNP type
COM
Transistor Output
Unit
OUT
PNP type
COM
Transistor Output
Unit
OUT
+
R
L
+
R
L