Rockwell-automation Ethernet Design Considerations Reference Manual Manual do Utilizador descarregar pdf (Página 54)

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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