Rockwell Automation 1788-EN2PAR EtherNet/IP and ControlNet to PROFIBUS PA Linking Device User Manual - Manual (Page 38)

38 Rockwell Automation Publication 1788-UM058B-EN-P - September 2014
Chapter 2 Set Up in the Studio 5000 Logix Designer Application
Master and media redundancy can run simultaneously as shown in Figure 5 .
Figure 5 - MultiMaster and Media Redundancy
More junction boxes can be added to the dual trunk. See Appendix B for valid
redundancy configurations.
Limitations
A maximum of two linking devices can be added to one network.
Benefits
Master redundancy protects against loss of communication to a master device,
and failure on a master device.
IMPORTANT When using dual trunk architecture, use the 1788-PARJB junction box.