Rockwell Automation Publication 1769-UM022C-EN-P - June 2018 75
Communicate Over Networks Chapter 5
Compact GuardLogix 5370 controllers connect directly to a DLR network
topology, that is, without requiring a 1783-ETAP tap to connect to the
network. The controllers can function in any of the roles on a DLR network
topology, that is, active supervisor node, back-up supervisor node or ring node.
For more information on using a DLR network topology, see the EtherNet/IP
Embedded Switch Technology Application Guide, publication ENET-AP005
.
Figure 9
shows an example 1769-L33ERMS control system with a DLR
network topology.
Figure 9 - Example 1769-L33ERMS Control System With a DLR Network Topology
Linear Network Topology
A linear network topology is a collection of devices that are daisy-chained
together across an EtherNet/IP network. Devices that can connect to a linear
network topology use embedded switch technology to remove any need for a
separate switch, as required in Star network topologies.
Figure 10
shows an example 1769-L33ERMS control system with a linear
network topology.
IMPORTANT The topology graphics that are shown in this section are examples of
applications that use only DLR network topologies.
We recommend that you exercise caution if you consider designing an
application that includes the connection of a DLR topology with a linear or
star network topology.
1769-L33ERMS
1734-AENTR POINT I/O™
1783-ETAP
• PanelView Plus
• 1783-ETAP
1794-AENT FLEX™ I/O
Kinetix 5500
• Kinetix® 350
• 1783-ETAP
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