Rockwell Automation Publication 1756-UM535D-EN-P - November 2012 23
Chapter 2
Design an Enhanced Redundancy System
This chapter explains how to use the required and optional components to design
an enhanced redundancy system.
Topic Page
Components of an Enhanced Redundancy System 24
Redundant Chassis 28
Controllers in Redundant Chassis 29
Redundancy Modules in Redundant Chassis 31
Communication Modules in Redundant Chassis 32
Power Supplies and Redundant Power Supplies in Enhanced Redundancy Systems 34
ControlNet Networks with Redundant Systems 38
Other Communication Networks 42
Other Communication Networks 42
I/O Placement 44
1715 Redundant I/O Systems 44
Using HMI 46
Firmware Requirements 49
Software Requirements 49
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