App
- 2
Appendix 1 Link Special Relay (SB) List
APPENDICES
Table App.2 Link special relay (SB) list
No.
Name
Description
Availability
Control
station
Normal
station
SB0000
Link startup
(own station)
Restarts cyclic transmission of own station.
OFF: Startup not directed
ON : Startup directed (valid at rising)
(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.
• Valid only when one of SB0000 to SB0003 is turned ON.
SB0001
Link stop (own station)
Stops cyclic transmission of own station.
OFF: Stop not directed
ON : Stop directed (valid at rising)
(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.
• Valid only when one of SB0000 to SB0003 is turned ON.
SB0002
System link startup
Restarts cyclic transmission of the entire system.
The station to restart cyclic transmission can be specified by Link stop/startup
direction (SW0000 to SW0008) or Group specification for link stop/startup
(SW0012 to SW0013).
OFF: Startup not directed
ON : Startup directed (valid at rising)
(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.
• Valid only when one of SB0000 to SB0003 is turned ON.
SB0003
System link stop
Stops cyclic transmission of the entire system.
The station to stop cyclic transmission can be specified by Link stop/startup
direction (SW0000 to SW0008) or Group specification for link stop/startup
(SW0012 to SW0013).
OFF: Stop not directed
ON : Stop directed (valid at rising)
(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.
• Valid only when one of SB0000 to SB0003 is turned ON.
SB0006
Clear communication
error count
Clears the communication error count that is displayed at CC IE Control
Network Diagnostics into 0.
OFF: Clear not directed
ON: Clear directed (Number of errors is not counted during ON)
SB0007
Clear IN-side
transmission error count
Clears the IN-side line error detection area (SW0068, SW0069, SB006E,
SB0140, SW0074, SW0140 to SW0147) into 0.
OFF: Clear not directed
ON : Clear directed (Number of errors is not counted during ON)
Link special relay (SB): SB0000 to SB0007
Summary of Contents for QJ71GP21-SX
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