Chapter 8 CIP Object
8-15
※1 Network Status
※2 Ring Supervisor Status
※3 Capability Flags
Current Status of
the Network
Description
0 Normal
1 Ring Fault (when in the Ring network topology mode)
2 Unexpected Loop Detected (when in the Linear network topology mode)
3 Partial Network Fault (when in the Ring network topology mode and ring supervisor is enabled.)
4 Rapid Fault/Restore Cycle (use the instruction Clear_Rapid_Faults to clear)
Ring Supervisor
Active Status
Description
0 Node is functioning as a backup.
1 Node is functioning as the active ring supervisor.
2 Node is functioning as a normal ring node. (ring supervisor not enabled)
3
Node is operating in a non-DLR topology. (supervisor not enabled and no other supervisors in
the network)
4
Node cannot support the currently operating ring parameters, that is, Beacon Interval and/or
Beacon Timeout
Bit(s) Name Description
0 Announce-based Ring Node
1: When the device is capable of operating as a supervisor
and sending announce frame ring nodes.
1 Beacon-based Ring Node
1: When the device is capable of operating as a supervisor
and sending beacon frame ring nodes.
2-4 Reserved 0
5 Supervisor Capable 1: The device supports ring supervisor.
6 Redundant Gateway Capable 1: The device supports redundant gateway.
7 Flush_Table frame Capable 1: The device supports flush tables frame.
8-31 Reserved 0
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