
Switch Settings
Switch Assembly 3
4-23
Classic PLC-5
processors only
Switch Settings – Classic PLC-5 Processors
Switch Assembly
If the processor is:
Set switch:
To:
An end device on the remote I/O link
1
on
Not an end device on the remote I/O link
1
off
An end device on the Data Highway Plus link
2
on
Not an end device on the Data Highway Plus link
2
off
Switch 3 is unused
3
off
Switch 4 is unused
4
off
1 2 3 4 5 6 7 8
1 2 3 4
Switch Assembly SW3
Bottom View of Module
Side View
toggle pushed
toward bottom
on (closed)
toggle pushed
toward top
off (open)
on = closed
off = open