Omron SmartSlice GRT1 Series

75
Digital I/O Units Section 4-6
Wiring
GRT1-ID8 (NPN) GRT1-ID8 (NPN)
When using 3-wire sensors, wire using the GRT1-PC8 I/O Power Connection
Unit as shown in the following figure.
If the Unit connected on the left needs to be isolated, wire using the GRT1-
PD8 I/O Power Feed Unit. When using the GRT1-PD8 I/O Power Feed Unit,
however, a maximum of seven sensors can be connected, as shown in the
following figure.
GRT1-ID8GRT1-PC8
6
G
2
G
0
4
G
7
G
3
1
5
G
V
G
V
V
V
V
G
V
G
V
V
3-wire sensors
Black (white)
Brown (red)
Blue (black)
Black (white)
Brown (red)
Blue (black)
Black (white)
Brown (red)
Blue (black)
Black (white)
Brown (red)
Blue (black)
3-wire sensors
Black (white)
Brown (red)
Blue (black)
Black (white)
Brown (red)
Blue (black)
Black (white)
Brown (red)
Blue (black)
Black (white)
Brown (red)
Blue (black)
GRT1-ID8GRT1-PD8
6
G
2
G
0
4
G
7
G
3
1
5
G
V
G
V
V
V
V
G
V
G
V
V
3-wire sensors
Black (white)
Brown (red)
Blue (black)
Black (white)
Brown (red)
Blue (black)
Black (white)
Brown (red)
Blue (black)
3-wire sensors
Black (white)
Brown (red)
Blue (black)
Black (white)
Brown (red)
Blue (black)
Black (white)
Brown (red)
Blue (black)
Black (white)
Brown (red)
Blue (black)
−
+
I/O power
supply