Mitsubishi MELSEC Q Series User Manual page 263

8 PROGRAMMING
Number Name
SB000C Forced master
(5E0 , b12) switching
H
Remote device station
SB000D
initialization procedure
(5E0 , b13)
H
registration instruction
SB0020
Module status
(5E2 , b0)
H
SB0040 Data link restart
(5E4 , b0) acceptance
H
SB0041 Data link restart
(5E4 , b1) complete
H
Refresh instruction
SB0042 acknowledgment
(5E4 , b2) status at standby
H
master switching
Refresh instruction
SB0043 complete status at
(5E4 , b3) standby master
H
switching
SB0044 Data link stop
(5E4 , b4) acceptance
H
SB0045 Data link stop
(5E4 , b5) complete
H
Forced master
SB0046
switching
(5E4 , b6)
H
executable status
Temporary error
SB0048
invalid acceptance
(5E4 , b8)
H
status
Temporary error
SB0049
invalid complete
(5E4 , b9)
H
status
Temporary error
SB004A invalid canceling
(5E4 , b10) acknowledgment
H
status
Temporary error
SB004B
invalid canceling
(5E4 , b11)
H
complete status
SB004C Line test acceptance
(5E4 , b12) status
H
1: Can be used for the master station only.
2: Can be used for the standby master station only.
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Table 8.5 Link special relay list (2/5)
Description
Forcefully transfers the data link control from the standby master
station that is controlling the data link to the standby master station in
case the standby master station becomes faulty.
OFF: Not requested
ON : Requested
Starts the initial processing using the information registered during the
initialization procedure registration.
While SB000D is on, the refresh of the remote input/output and
remote registers stops.
OFF: Not instructed
ON : Instructed
Indicates the module access (module operation) status.
OFF: Normal (Module is operating normally)
ON : Abnormal (Module error has occurred)
Indicates the data link restart instruction acknowledgment status.
OFF: Not acknowledged
ON : Startup instruction acknowledged
Indicates the data link restart instruction acknowledgment completion
status.
OFF: Not complete
ON : Startup complete
Indicates whether or not the refresh instruction at standby master
switching have been acknowledged.
OFF: Not executed
ON : Instruction acknowledged
Indicates whether or not the refresh instruction at standby master
switching is complete.
OFF: Not executed
ON : Switching complete
Indicates the data link stop instruction acknowledgment status.
OFF: Not acknowledged
ON : Stop instruction acknowledged
Indicates the data link stop instruction acknowledgment completion
status.
OFF: Not complete
ON : Stop complete
Indicates whether the forced master switching (SB000C) signal can
be executed or not.
OFF: Cannot be executed.
ON: Can be executed.
Indicates the acknowledgment status of remote station temporary
error invalid instruction.
OFF: Not executed
ON : Instruction acknowledged
Indicates the acknowledgment completion status of remote station
temporary error invalid instruction.
OFF: Not executed
ON : Temporary error invalid station established/Specified station
number is invalid
Indicates the acknowledgment status of remote station temporary
error invalid cancel instruction.
OFF: Not executed
ON : Instruction acknowledged
Indicates the acknowledgment completion status of remote station
temporary error invalid cancel instruction.
OFF: Not executed
ON : Temporary error invalid station cancellation complete
Indicates the line test request acknowledgment status.
OFF: Not executed
ON : Instruction acknowledged
MELSEC-Q
Availability
( : Available, : Not available)
Online
Master station Local station
2
1
2
Offline
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