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CHAPTER 11 PROGRAMMING
11
11.3 Using Link Special Relay (SB) and Link Special Register (SW)
(b) Cyclic transmission stop/restart (own station)
(Cyclic transmission stop)
1. Turn on Link stop (own station) (SB0001).
2. When the master/local module accepts the request, Link stop request accept status (own station)
(SB0052) turns on.
3. When cyclic transmission stop is completed, Link stop completion status (own station) (SB0053)
turns on.
4. If cyclic transmission is stopped with error, an error code will be stored in Data link stop status
(own station) (SW0051).
5. Turn off Link stop (own station) (SB0001).
(Cyclic transmission restart)
6. Turn on Link start (own station) (SB0000).
7. When the master/local module accepts the request, Link start request accept status (own station)
(SB0050) turns on.
8. When cyclic transmission restart is completed, Link start completion status (own station)
(SB0051) turns on.
9. If the cyclic transmission is restarted with error, an error code will be stored in Data link start
status (own station) (SW0050).
10. Turn off Link start (own station) (SB0000).
Number Description Number Description
SB0000 Link start (own station) SW0050 Data link start status (own station)
SB0001 Link stop (own station) SW0051 Data link stop status (own station)
SB0050 Link start request accept status (own station)
SB0051 Link start completion status (own station)
SB0052 Link stop request accept status (own station)
SB0053 Link stop completion status (own station)