Rockwell Automation 1785-LTx,D17856.2.1 Classic PLC-5 Programmable Controllers Users Manual User Manual
Page 147
Selecting Switch Settings
Appendix A
A-9
Set SW2 switch assembly switches for an adapter-mode PLC-5 processor
in a PLC-2/20 or -2/30 processor system or sub I/O scanner module
system. Set switches 2 through 8 for the number of words communicated
from host processor to adapter processor, for the I/O group, and for the
rack number of the I/O group of the adapter processor, respectively.
Switch 1 is unused.
1 2 3 4 5 6 7 8
1 2 3 4
Bottom View of Module
Switch Assembly SW2
Switch Assembly SW3
toggle pushed
on (closed)
toggle pushed
off (open)
Side View
toward bottom
toward top
If you want:
Set switch:
To:
Switch 1 is always unused.
1
off
The host processor to use 8 words to communicate with the adapter PLCĆ5
2
off
The host processor to use 4 words to communicate with the adapter PLCĆ5
2
on
First I/O group to be 0
3
on
First I/O group to be 4
3
off
Select the I/O rack number of the adapter PLCĆ5 processor
4 through 8
see below
Rack
4
5
6
7
8
01
on
on
on
on
on
02
on
on
on
on
off
03
on
on
on
off
on
04
on
on
on
off
off
05
on
on
off
on
on
06
on
on
off
on
off
07
on
on
off
off
on
AdapterĆMode
ProcessorsĊSW2 in a
PLCĆ2/20, Ć2/30, or Sub I/O
Scanner Module System
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