Omron PRT1-COM Operation Manual page 148

Counter Units
Terminal Arrangement
Wiring
24 VDC
The NCs are input terminals
for connections. They have
no shielding function. Carry
out processes for shielding
(grounding) as necessary.
138
Encoder input
Encoder input External input
24 VDC
Encoder
(incremental,
open-collector
output type)
Internal connections
Note Do not use the same power supply for the encoder as that used for other I/O
Units or communications.
External input
External output
24 VDC
NPN output Solenoid/Valve
3-wire sensor (photo-
electric sensor, prox-
imity sensor)
2-wire sensor
(limit switch)
Section 7-3
External output
Solenoid/Valve