Publication 1756-UM523F-EN-P - December 2006
144 Update Modules and Redundant Systems
12. Download the project to the secondary
controller.
Important: If I/O forces are enabled in the offline project, the software asks if you want to
enable the forces in the controller. Even if you choose No, I/O forces stay enabled in the
primary controller and become enabled in this controller after you switchover.
A. Use RSLogix 5000 software to download the project to the controller in the secondary
chassis. The secondary chassis has the higher network address of the redundant pair.
B. Go offline.
Important: Stay offline until you finish this procedure.
13. Lock the system for update. Important: If you abort a system lock, the project in the secondary controller will be
cleared and you will need to redownload the project to the secondary controller before
being able to attempt another system lock.
A. Open the SRM configuration tool for the primary chassis.
B. Click System Update.
D. Wait for the system to lock. It takes longer than a normal synchronization.
Action Details
C. Click Lock For U
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