Rockwell Automation Publication 1756-UM535D-EN-P - November 2012 47
Design an Enhanced Redundancy System Chapter 2
HMI Connected via a ControlNet Network
This table describes redundant system considerations specific to the HMI being
used on the ControlNet network.
HMI connected to a primary chassis exclusively over a ControlNet network or
bridge from an EtherNet/IP network to a ControlNet network maintains its
connections during a switchover.
Type of HMI Used Considerations
• PanelView Standard terminal
• PanelView 1000e or PanelView 1400e
terminal
• If your HMI communicates via unscheduled communication, use
four terminals per controller.
• If your HMI does not communicate via unscheduled
communication, use the number of terminals required for your
application.
• PanelView Plus terminal
• VersaView industrial computer running a
Windows CE operating system
Set aside connections for each PanelView Plus or VersaView CE
terminal.
• FactoryTalk View Supervisory Edition
software with RSLinx Classic software,
version 2.52 or later
• RSView32 software
• Any other HMI client software that uses
RSLinx Classic software, version 2.52 or
later
Limit the number of RSLinx servers that a controller uses to 1 (ideal) to
3 (maximum).
In this module Reserve
Controller 5 connections
1756-CN2/B,
1756-CN2R/B
5 connections
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