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Digital I/O Units
Wiring
GRT1-OD8 (NPN)
Solenoids, valves, etc.
When using a GRT1-PC8 I/O Power Connection Unit, wire according to the
following figure. Up to two GRT1-0D8 Units can be wired with a single I/O
Power Connection Unit.
GRT1-OD8
0
1
V
V
2
3
4
5
V
V
6
7
If you are connecting 2-wire sensors, you can use dual-insert rod terminals to
eliminate the need for a Power Connection Unit.
0
1
V
V
2
3
4
5
V
V
6
7
GRT1-PC8
GRT1-OD8
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
Solenoids, valves, etc.
81
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