Rockwell Automation 1775-KA PLC-3 Communication Adapter Module User Manual - Manual (Page 42)

Installation
Chapter 2
2Ć30
Figure 2.12
How addresses of the primary and backup PLC-3 controllers change during switchover.
Before switchover: Primary PCL–3 Backup PLC–3
You set these
station addresses:
010 010
The module assume
the station addresses:
010 110
After switchover: Backup PLC–3 Primary PCL–3
You previously set
these station addresses:
010 010
The module assume
the station addresses:
110 010
10013–I