ABB Relion SAM600, Communication Protocol Manual

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IED1 IED1 IED2 IED2 IED3 IED3 IED4 IED4
Sw1, root bridge Sw2
Main link
Backup link
IED9 IED9 IED10 IED10 IED11 IED11 IED12 IED12
Sw3 Sw4
IED5 IED5 IED6 IED6 IED7 IED7 IED8 IED8
IED13 IED13 IED14 IED14 IED15 IED15 IED16 IED16
IEC21000007 V1 EN-US
Figure 18: Ring topology with multiple rings
8.5 RSTP status
GUID-8D473FBD-7022-4B94-8455-5252C2EBA225 v1
Depending on the configuration, the diagnostics information related to RSTP would be available
under
Test/Function status/Communication/Station communication/RSTPDiagnostics/
RSTPSTATUS on LHMI.
Table 5: RSTP status
Name Type Values (Range) Default Description
ACCESSPOINT INTEGER 0=Off
1=AP1
2=AP3 Off Access points on which
RSTP is active
BRIDGEPRIORITY - - 32768 Priority of the bridge
BRIDGEMAC - MAC address -- MAC of the bridge
PORT1STATUS INTEGER 0=Disabled
1=Blocking
2=Learning
3=Forwarding
4=Listening -- Status of Port1
PORT1ROLE INTEGER 0=Disabled
1=Root
2=Designated
3=Alternate
4=Backup -- Role of Port1
PORT1COST - - 0 Determined port1 cost
based on link speed
PORT2STATUS INTEGER 0=Disabled
1=Blocking
2=Learning
3=Forwarding
4=Listening -- Status of Port2
PORT2ROLE INTEGER 0=Disabled
1=Root
2=Designated
3=Alternate
4=Backup -- Role of Port2
PORT2COST - - 0 Determined port2 cost
based on link speed
Section 8 1MRK 511 441-UEN Rev. C
Rapid spanning tree protocol (RSTP)
40 Switchgear control unit SAM600-IO
Communication protocol manual
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