Allen-Bradley 1756-CNB/E, User Manual

Page: 136 / 186

Publication 1756-UM523F-EN-P - December 2006
136 Update Modules and Redundant Systems
Update a Redundant
Control System Offline
Complete this procedure to upgrade the revision of your redundant
modules. This procedure minimizes the time your process is down
during an upgrade.
IMPORTANT
Do not connect your computer to the network access port on a
CNB module in the primary chassis. You will lose access to the
network when you turn off power to the chassis.
Action Details
1. Upload and save the project. Do you have an up-to-date copy of the project for the controller stored offline?
•
Yes — Go to step 2.
•
No — Continue with step A.
A. Upload the project in the primary controller.
B. Save the project.
2. Open the SRM configuration tool for the
secondary chassis.
A. Start RSLinx software.
B. From the Communications menu, choose RSWho.
C. Open the branches of your network until you find the 1757-SRM module in the primary
chassis.
D. Right-click the SRM and choose Module Configuration.