Omron DEVICENET#05-2003 Operation Manual page 186

GT1-CT01 Counter Unit
Wiring
24 VDC
The NCs are input terminals
for connections. They have
no shielding function. Carry
out processes for shielding
(grounding) as necessary.
176
Encoder input
Encoder
(incremental,
open-collector
output type)
Internal connections
Note 1. Do not use the same power supply for the encoder as that used for other
I/O Units or communications.
2. Wire colors in parentheses are the previous JIS colors for photoelectric
and proximity sensors.
External input
24 VDC 24 VDC
NPN output
3-wire sensor (photo-
electric sensor, prox-
imity sensor)
2-wire sensor
(limit switch)
External output
Solenoid/Valve
Solenoid/Valve
Section 5-4