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Click the synchronization tab in the rmct, Click synchronize secondary, then click yes – Rockwell Automation 1756-RMxx ControlLogix Enhanced Redundancy System User Manual User Manual

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Rockwell Automation Publication 1756-UM535D-EN-P - November 2012

249

Upgrade from a Standard Redundancy System or to Another Enhanced Redundancy System

Appendix C

28. After the update completes, reconnect the Ethernet cable or cables to the

secondary Ethernet module and wait for communication to resume on the

network.

29. Repeat

steps 23

28

for all Ethernet modules that have their rotary

switches set between 2…254.

30. In RSLinx Classic software, browse to the primary 1756-RM module.
31. Right-click to select Module Configuration to open the RMCT.
32. Click the Synchronization tab in the RMCT.

33. Click Synchronize Secondary, then click Yes.
34. After the redundant chassis pair synchronizes, select Initiate Switchover

from the Synchronization tab in the RMCT, then click Yes.

35. Remove the new secondary Ethernet module from the chassis and reset

the rotary switches back to their original setting from 999.

36. Reinsert the secondary Ethernet module back in the chassis and wait until

network communication resumes.

37. Repeat

steps 35

36

for all Ethernet modules that have their rotary

switches set between 2…254.