Rockwell Automation 1775-SRx PLC-3 FAMILY PROG CONTRL - Manual (Page 13)

3–2 Install Processor, Memory, and Scanner Modules
Publication 1775Ć10.1 - March 1996
Install I/O Scanner Module(s)
a
Set each thumbwheel switch to a unique number between 1 and 15.
b
You must have a scanner with the thumbwheel set for 1. If you are installing a
multiple chassis PLCĆ3 system, the scanner module whose thumbwheel you set
to 1 must be in the chassis with the front panel.
Set the necessary switches for your application of the scanner module.
For information about switch settings, see the user manual for your
particular scanner module. Some examples of switch settings for
scanner modules include backup options, DH+ communication,
station number identification, and termination.
For more
information...
c
Install the scanner module into any slot of the processor chassis.
!
ATTENTION:
Do not change the thumbwheel setting on a scanner
while power is on or equipment damage may result.