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MELSEC-Q
6 PROGRAMMING
(b) Cyclic transmission stop/restart of the host
(Cyclic transmission stop)
1) Turn Link stop (host) (SB0001) ON.
2) When the network module accepts a request, Cyclic transmission stop
acknowledgment status (host) (SB004E) is turned ON.
3) When the cyclic transmission stop is completed, Cyclic transmission
stop completion status (host) (SB004F) is turned ON.
4) If the cyclic transmission stop is completed abnormally, an error code
will be stored in Data linking stop status (host) (SW004F).
5) Turn Link stop (host) (SB0001) OFF.
(Cyclic transmission restart)
6) Turn Link startup (host) (SB0000) ON.
7) When the network module accepts the request, Cyclic transmission
start acknowledgment status (host) (SB004C) is turned ON.
8) When the cyclic transmission restart is completed, Cyclic transmission
start completion status (host) (SB004D) is turned ON.
9) If the cyclic transmission restart is completed abnormally, an error
code will be stored in Data linking start status (host) (SW004D).
10) Turn Link startup (host) (SB0000) OFF.
No. Description No. Description
SB0000 Link startup (host)
—
SB0001 Link stop (host)
SB004C
Cyclic transmission start
acknowledgment status (host)
SB004D
Cyclic transmission start completion
status (host)
SW004D Data linking start status (host)
SB004E
Cyclic transmission stop acknowledgment
status (host)
—
SB004F
Cyclic transmission stop completion
status (host)
SW004F Data linking stop status (host)