Rockwell Automation Publication 842E-UM001C-EN-P - September 2016
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EtherNet/IP Overview
Chapter 3
Linear Topology
The linear topology uses the embedded switching capability to form a daisy-
chain style network that has a beginning and an end. Linear topology simplifies
installation and reduces wiring and installation costs, but a break in the
network disconnects all devices downstream from the break. When this
topology is used, both Ethernet connections on the encoder are used. For the
network connection use Link 1, Link 2, or both.
Figure 5
Device Level Ring Topology
A DLR network is a single-fault-tolerant ring network that is intended for the
interconnection of automation devices. DLR topology is advantageous as it
can tolerate a break in the network. If a break is detected, the signals are sent
out in both directions. With this topology, use both the Link 1 and Link 2
Ethernet connections on the 842E encoder.
Figure 6
Содержание EtherNet/IP 842E-MIP10BA
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