560 Rockwell Automation Publication 193-UM015E-EN-P - October 2015
Chapter 10 EtherNet/IP Communication
Rockwell Automation also offers a line of managed and unmanaged
Allen-Bradley Ethernet Switches with its Stratix family of Ethernet switches. See
http://ab.rockwellautomation.com/Networks-and-Communication/Ethernet-
IP-Infrastructure for more information.
The E300 relay EtherNet/IP Communication Module also supports an ethernet
Ring topology in which all ethernet nodes are wired in series with one another
until a complete network ring is made as shown in Figure 214
. The E300 relay
EtherNet/IP Communication Module supports Rockwell Automation's Device
Level Ring (DLR) topology as a slave device in which the EtherNet/IP network
continues to communicate if one of the network chains is disrupted
Figure 214 - Ring Ethernet Topology