Rockwell Automation 1756-RMxx ControlLogix Enhanced Redundancy System User Manual - Manual (Page 48)

48 Rockwell Automation Publication 1756-UM535D-EN-P - November 2012
Chapter 2 Design an Enhanced Redundancy System
Connection from HMI Over a ControlNet Network shows an example of
connecting an HMI to a primary controller over a ControlNet network.
Figure 11 - Connection from HMI Over a ControlNet Network
For an example of how to connect an HMI to a redundant chassis pair over a path
that bridges from an EtherNet/IP network to a ControlNet network, see
Configuration Used to Eliminate Communication Delays on Switchover on
page 37 .
CH2 CH1 OK CH2 CH1 OK
CH2 CH1 OK CH2 CH1 OK
ControlNet
HMI
Redundant Chassis Pair
ControlNet