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APPENDICES
A
Appendix 1 Link Special Relay (SB) List
SB0094
Circuit test completion
status
Stores the completion status of circuit test.
OFF: Not executed or being executed
ON: Completed
When completed, the completion status can be checked in Circuit test
normal/error completion status (SB0095).
SB0095
Circuit test normal/error
completion status
Stores the normal or error completion status of the circuit test.
OFF: Completed normally
ON: Failed
(Condition)
• Valid when Circuit test completion status (SB0094) is ON.
SB0097
Station-to-station test
normal/error
completion status
Stores the normal or error completion status of the station-to-station test.
0: Completed normally
1: Failed
SB0098
Circuit test request
from other station
Stores request status of circuit test from the control station.
OFF: Circuit test not received
ON: Circuit test received
×
SB0099
Station-to-station test
request from other
station
Stores request status of station-to-station test from the other station.
OFF: Station-to-station test not received
ON: Station-to-station test received
SB00A0
Baton pass status of
each station
Stores the baton pass status of each station.
OFF: All stations normal
ON: Faulty station exists
When any faulty station exists, each station status can be checked in Baton
pass status of each station (SW00A0 to SW00A7).
Depending on the link refresh timing, Baton pass status of each station
(SW00A0 to SW00A7) and the update may be offset by one sequence scan.
(Condition)
• Valid when Baton pass status (own station) (SB0047) is OFF.
When Baton pass status (own station) (SB0047) is turned ON (error), data
prior to error is held.
• The reserved station and the station No. later than the largest one are
excepted.
SB00B0
Cyclic transmission
status of each station
Stores the cyclic transmission status of each station.
OFF: Cyclic transmission of all stations being executed
ON: Station where cyclic transmission is not executed exists
When any non-executing station exists, each station status can be checked
in Cyclic transmission status of each station (SW00B0 to SW00B7).
Depending on the link refresh timing, Cyclic transmission status of each
station (SW00B0 to SW00B7) and the update may be offset by one
sequence scan.
(Condition)
• Valid when Baton pass status (own station) (SB0047) is OFF.
When Baton pass status (own station) (SB0047) is turned ON (error), data
prior to error is held.
• The reserved station and the station No. later than the largest one are
excepted.
No. Name Description
Availability
Control
station
Normal
station
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