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APPX
Appendix 4 List of Link Special Relay (SB)
SB0108 Station number duplication
occurrence status
Stores the station number duplication occurrence status of each
station.
Off: Station number not duplicated
On: Station number duplicated
When this relay is turned on, the status of each station can be
checked with 'Station number duplication occurrence status'
(SW0108 to SW010F).
Depending on the link refresh timing, the update of 'Station number
duplication occurrence status' (SW0108 to SW010F) may be offset
by one sequence scan.
SB010F CPU moderate/major error status
of station No.0
Stores the moderate/major error occurrence status of the CPU
module on the station No.0.
Off: No moderate/major error
On: Moderate/major error
(Conditions)
• This relay is enabled when the submaster function is used.
SB0110 CPU minor error status of each
station
Stores the minor error or continuation error occurrence status of
each station.
When the target station is the master/local module, the occurrence
status on the control CPU is stored.
Off: All stations normal or station with a moderate/major error
(stop error) exists.
On: Station with a minor error (continuation error) exists.
When this relay is turned on, the status of each station can be
checked with 'CPU minor error status of each station' (SW0110 to
SW0117).
Depending on the link refresh timing, the update of 'CPU minor error
status of each station' (SW0110 to SW0117) may be offset by one
sequence scan.
(Conditions)
• This relay is enabled when 'Baton pass status of own station'
(SB0047) is off.
• When 'Baton pass status of own station' (SB0047) is turned on,
data prior to error is held.
SB0111 CPU minor error status of master
station
Stores the minor error occurrence status of the CPU module on the
master station (master operating station).
Off: No minor errors, or a moderate/major error being occurred
On: Minor error
(Conditions)
• This relay is enabled when 'Baton pass status of own station'
(SB0047) is off.
• When 'Baton pass status of own station' (SB0047) is turned on,
data prior to error is held.
SB0118 Station of standby system exists
information
Stores the CPU operation status (control/standby system) of each
station (including the own station).
Off: No station of standby system CPU
On: Station of standby system CPU exists.
This relay is turned off for a station other than a redundant system
station.
When this relay is turned on, the status of each station can be
checked with 'Redundant CPU system status of each station'
(SW0118 to SW011F).
Depending on the link refresh timing, the update of 'Redundant CPU
system status of each station' (SW0118 to SW011F) may be offset
by one sequence scan.
(Conditions)
• This relay is enabled when 'Baton pass status of own station'
(SB0047) is off.
• When 'Baton pass status of own station' (SB0047) is turned on,
data prior to error is held.
No. Name Description Availability
Master station
(submaster
station)
Local station
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