Omron GRT1 - 11-2007 Operation Manual page 98

Digital I/O Units
2-wire sensors
Brown (white)
Blue (black)
Brown (white)
Blue (black)
Brown (white)
Blue (black)
Brown (white)
Blue (black)
Note
If the Unit connected on the left needs to be isolated, wire using the GRT1-
PD8-1 I/O Power Feed Unit. When using the GRT1-PD8-1 I/O Power Feed
Unit, however, a maximum of seven sensors can be connected, as shown in
the following figure.
GRT1-PD8-1
3-wire sensors
Black (white)
Brown (red)
Blue (black)
Black (white)
Brown (red)
Blue (black)
Black (white)
Brown (red)
Blue (black)
+
I/O power
−
supply
When connecting 2-wire sensors, wire using the GRT1-PC8 I/O Power Con-
nection Unit as shown in the following figure. A single Power Supply Unit can
be connected to up to two GRT1-ID8-1 Units.
GRT1-ID8-1
Brown (white)
0 1
Blue (black)
V V
Brown (white)
2 3
Blue (black)
Brown (white)
4 5
Blue (black)
V V
6 7
Brown (white)
Blue (black)
Wire colors in parentheses are the previous JIS colors for photoelectric and
proximity sensors.
GRT1-ID8-1
G G 0 1
V V V V
G G 2 3
G G 4 5
V V V V
G G 6 7
GRT1-PC8 GRT1-ID8-1
V V 0 1
V V V V
G G 2 3
V V 4 5
V V V V
G G 6 7
Section 4-6
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)
2-wire sensors
Brown (white)
Blue (black)
Brown (white)
Blue (black)
Brown (white)
Blue (black)
Brown (white)
Blue (black)
Brown (white)
Blue (black)
Brown (white)
Blue (black)
Brown (white)
Blue (black)
Brown (white)
Blue (black)
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