Using Link Special Relay (Sb) And Link Special Register (Sw) - Mitsubishi Electric MELSEC Q Series Reference Manual
Cc-link ie controller network
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8.3
Using Link Special Relay (SB) and Link Special Register
(SW)
This section explains how to use link special relay (SB) and link special register (SW).
Remark
• Details on link special relay (SB):
• Details on link special register (SW):
(1) Cyclic transmission stop/restart
Cyclic transmission stop/restart is executed through the CC IE Control diagnostics, but it also can be executed
with link special relay (SB) and link special register (SW). (
(a) Cyclic transmission stop of another station
1.
In the following link special register (SW), specify a station for stopping cyclic transmission.
• Specification of target station
Link stop/startup direction (SW0000)
• Specification of station No.
Link stop/startup direction (SW0001 to SW0008)
• Specification of group
Group specification for link stop/startup (SW0012 to SW0013)
2.
Turn System link stop (SB0003) ON.
3.
When the CC-Link IE Controller Network module accepts a request, Cyclic transmission stop
accept status (system) (SB0052) is turned ON.
4.
When the cyclic transmission stop is completed, Cyclic transmission stop completion status
(system) (SB0053) is turned ON.
5.
The station No. of the station that performed the cyclic transmission stop request is stored in Data
linking stop request station (SW004A). (Saved in the station which received the stop request.)
6.
If the cyclic transmission stop is completed abnormally, an error code will be stored in Data
linking stop status (entire system) (SW0053).
7.
Turn System link stop (SB0003) OFF.
306
Page 568, Appendix 1
Page 584, Appendix 2
Page 91, Section 4.1.12)
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