Omron GRT1 - 11-2007 Operation Manual page 87

Digital I/O Units
GRT1-ID4-1 (PNP)
Wiring
GRT1-ID4 (NPN)
GRT1-ID4-1 (PNP)
Note
66
Base block
Internal circuits
Internal circuits
Brown (white)
Blue (black)
2-wire sensor
(such as a limit switch)
Brown (white)
Blue (black)
2-wire sensor
(such as a limit switch)
Wire colors in parentheses are the previous JIS colors for photoelectric and
proximity sensors.
Main block
I/O LED
0 1
Black (white)
Brown (red)
V V
Blue (black)
G G 3-wire sensor with NPN output
(photoelectric or proximity sensor)
2 3
V V
G G
0 1
Black (white)
Brown (red)
V V
Blue (black)
G G
3-wire sensor with NPN output
(photoelectric or proximity sensor)
2 3
V V
G G
Section 4-6
Terminal block
0
V
G
3
V
G