Click the synchronization tab in the rmct, Click synchronize secondary, then click yes, Click apply, then click ok – Rockwell Automation 1756-RMxx ControlLogix Enhanced Redundancy System User Manual User Manual
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Appendix C
Upgrade from a Standard Redundancy System or to Another Enhanced Redundancy System
18. In RSLinx Classic software, browse in this chassis to the primary
1756-RM module.
19. Right-click to select Module Configuration to open the RMCT.
20. Click the Synchronization tab in the RMCT.
21. Click Synchronize Secondary, then click Yes.
22. After the redundant chassis pair synchronizes, click Initiate Switchover
from the Synchronization tab in the RMCT, then click Yes.
23. In RSLinx Classic software, select Module Configuration on the new
primary Ethernet communication module.
24. Click the Port Configuration tab and change the Gateway address from
0.0.0.0 to 192.168.1.1.
25. Click Apply, then click OK.
26. Disconnect the Ethernet cable or cables from the secondary Ethernet
module.
27. In ControlFLASH software, bridge across the backplane (or use the
Ethernet module’s USB port), and update the new secondary Ethernet
module to firmware revision 5.008.
When the update is complete, the Update status dialog box indicates
completion.