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APPENDICES
A
Appendix 3 Link Special Relay (SB) List
SB0110
CPU operation status
(each station) (2)
Stores the continuation error status for each station.
OFF: All stations normal
ON: Station with continuation error found
If a station with a continuation error is found, the status of each station
can be checked by Operation status (each station) (2) (SW0110 to
SW0117).
Depending on the timing of the link refresh, the update of Operation
status (each station) (2) (SW0110 to SW0117) may be offset by one
sequence scan.
(Condition)
• This is enabled when Baton pass status (own station) (SB0047) is off.
SB0111
CPU operation status
(master station) (2)
Stores the continuation error status of the master station's CPU module.
OFF: Normal
ON: Continuation error occurred
(Condition)
• This is enabled when Baton pass status (own station) (SB0047) is off.
SB0120
PORT1 error frame
reception status (each
station)
Stores if an error frame is received at each station's PORT1.
OFF: An error frame has not yet been received at any stations.
ON: An error frame has been received at one or more stations.
If an error frame has been received, the status of each station can be
checked by the PORT1 error frame reception status (each station)
(SW0120 to SW0127).
Depending on the timing of the link refresh, the update of PORT1 error
frame reception status (each station) (SW0120 to SW0127) may be
offset by one sequence scan.
(Condition)
• This is enabled when Baton pass status (own station) (SB0047) is off.
SB0121
PORT1 error frame
reception status
(master station)
Stores if an error frame is received at the master station's PORT1.
OFF: An error frame has not yet been received
ON: An error frame has been received
(Condition)
• This is enabled when Baton pass status (own station) (SB0047) is off.
SB0130
PORT2 error frame
reception status (each
station)
Stores if an error frame is received at each station's PORT2.
OFF: An error frame has not yet been received at any stations.
ON: An error frame has been received at one or more stations.
If an error frame has been received, the status of each station can be
checked by the PORT2 error frame reception status (each station)
(SW0130 to SW0137).
Depending on the timing of the link refresh, the update of PORT2 error
frame reception status (each station) (SW0130 to SW0137) may be
offset by one sequence scan.
(Condition)
• This is enabled when Baton pass status (own station) (SB0047) is off.
Number Name Description
Availability
Master
station
(safety
station)
Local
station