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54 Rockwell Automation Publication ENET-RM002C-EN-P - May 2013
Chapter 3 Ethernet Infrastructure Features
Network convergence includes the following:
After failure detection, ring supervisor unblocks blocked port
Network configuration is now a linear topology
Fault location is readily available via diagnostics
Once ring is restored, the supervisor hears the beacon on both ports and
transitions to normal ring mode by blocking one port.
POINT I/O
Disrtributed I/O
ArmorPOINT I/O
Distributed I/O
POINT I/O
Disrtributed I/O
ArmorPOINT I/O
Distributed I/O
ControlLogix Controller
Stratix 8000
IE Switch
1783-ETAP
Forwarding
Active Ring
Supervisor
Forwarding
Link Failure
\ControlLogix Controller
Active Ring
Supervisor
Forwarding
BeaconBeacon
Stratix 8000
IE Switch
ETAP
Announce Announce
Blocking
POINT I/O
Distributed I/O
ArmorPOINT I/O
Distributed I/O
POINT I/O
Distributed I/O
ArmorPOINT I/O
Distributed I/O
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