Mitsubishi Electric MELSEC-Q Series - Page 575

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APPENDICES
A
Appendix 1 Link Special Relay (SB) List
SB004D
Cyclic transmission
start completion status
(own station)
Turned ON when Cyclic transmission start accept status (own station)
(SB004C) is turned ON and startup of cyclic transmission is completed.
OFF: Startup uncompleted (SB0000 is OFF)
ON: Startup completed (SB0000 is ON)
(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.
SB004E
Cyclic transmission
stop accept status (own
station)
Turned ON when stop request of cyclic transmission due to Link stop (own
station) (SB0001) is received.
OFF: Not received (SB0001 is OFF)
ON: Stop received (SB0001 is ON)
(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.
SB004F
Cyclic transmission
stop completion status
(own station)
Turned ON when Cyclic transmission stop accept status (own station)
(SB004E) is turned ON and cyclic transmission stop is completed.
OFF: Stop uncompleted (SB0001 is OFF)
ON: Stop completed (SB0001 is ON)
(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.
SB0050
Cyclic transmission
start accept status
(system)
Turned ON when startup request due to System link startup (SB0002) is
received.
OFF: Not received (SB0002 is OFF)
ON: Startup received (SB0002 is ON)
(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.
SB0051
Cyclic transmission
start completion status
(system)
Turned ON when Cyclic transmission start accept status (system)(SB0050) is
turned ON and cyclic transmission startup is completed.
OFF: Startup uncompleted (SB0002 is OFF)
ON: Startup completed (SB0002 is ON)
(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.
SB0052
Cyclic transmission
stop accept status
(system)
Turned ON when stop request of cyclic transmission due to System link stop
(SB0003) is received.
OFF: Not received (SB0003 is OFF)
ON: Stop received (SB0003 is ON)
(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.
No. Name Description
Availability
Control
station
Normal
station