Omron CJ1W-CT021 Operation Manuals page 74

2 Components, Installation and Wiring
Digital Output Circuitry
2-14
High-speed Counter Unit
Fuse
Fuse
NPN
Digital Output O0
PNP
NPN
Digital Output O1
PNP
NPN or PNP can be set for each Digital Output.
(Output control setting: m+6.)
CJ-series High-speed Counter Units Operation Manual for NJ-series CPU Unit(W492)
B1 : 12-24 VDC Power Supply
for Digital Outputs O0 and O1
B2 : Digital Output O0 (PNP)
B3 : Digital Output O1 (PNP)
A2 : Digital Output O0 (NPN)
A3 : Digital Output O1(NPN)
A1 : 0V COM for Digital Outputs O0 and O1