Rockwell Automation Publication 1756-UM535D-EN-P - November 2012 239
Appendix C
Upgrade from a Standard Redundancy System
or to Another Enhanced Redundancy System
Upgrade from a Standard
Redundancy System
If you need to upgrade your standard redundancy system to an enhanced
redundancy system, complete this procedure.
Before You Begin
Before you begin upgrading from a standard redundancy system to an enhanced
redundancy system, consider these points:
• If the standard redundancy system uses a 1757-SRM redundancy module,
you must replace it with a 1756-RM redundancy module.
• You must upgrade all ControlNet or EtherNet/IP communication
modules.
• You must upgrade the firmware on all controllers.
• Depending on the enhanced redundancy system revision to which you are
upgrading, you may need to upgrade software.
Topic Page
Upgrade from a Standard Redundancy System 239
Upgrade System Components 240
Upgrade Ethernet Modules When Rotary Switches Are Set between 2…254 244
Upgrade the System Software 241
Upgrade by Using Redundancy System Update 250
Replace 1756-RM/A or 1756-RM/B Redundancy Modules with 1756-RM2/A
Redundancy Modules
264
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