Mitsubishi QJ71GP21-SX, Reference Manual

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App
- 10 Appendix 1 Link Special Relay (SB) List
APPENDICES
SB0093
Self-loopback test
normal/error
completion status
Stores the normal or error completion status of self-loopback test.
OFF: Completed normally
ON : Failed
(Condition)
• Valid when Self-loopback test completion status (SB0092) is ON.
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).
(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).
(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.
Table App.2 Link special relay (SB) list (Continued)
No. Name Description
Availability
Control
station
Normal
station
Link special relay (SB): SB0093 to SB00B0