Mitsubishi LJ61BT11 User Manual page 346

Error code
Error details
(hexadecimal)
B311 Data link stop error
Standby master station
B312
absence error
B313 All station fault error
B314 Switching target error
Forced master station switching
B315
error
Network startup setting mode
B317
error
B31A Data linking
Transmission speed test
B31B
execution error
B31C
System error
B31D
B31E Status logging start error
B31F Status logging clear error
B320 Status logging mode invalid
B321 System error
Status logging flash ROM clear
B322
invalid
Status logging flash ROM clear
B323
incomplete
Status logging flash ROM
B324
storage error
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Cause of error occurrence (details)
Data link stop (SB0002) was executed
for the station that had stopped a data
link.
Forced master to standby master
switching (SB000C) was executed in the
system where no standby master station
exists or in the system where the standby
master station had become faulty.
Forced master to standby master
switching (SB000C) was executed in the
system where all stations had become
faulty.
Forced master to standby master
switching (SB000C) was executed for
any station other than the master station.
Forced master switching (SB000C) was
instructed again while the master station
was being switched to the standby
master station.
The G(P).RLPASET instruction was
executed for a module whose
parameters have been set by GX
Works2.
The parameter setting was changed
without turning the power supply to the
programmable controller system off and
back on, or resetting the programmable
controller CPU.
Data link has already been started when
the master station duplication error
cancelling is instructed.
The transmission speed test was
executed during data link.
———
Logging started while the log was being
cleared.
Log was cleared while logging.
The logging or log clear was executed In
the remote I/O net mode.
———
During data link, the logs were cleared
with "RAM + FlashROM" checked.
Clear of the logs was attempted with
"RAM + FlashROM" checked, but logging
started even though the clear was
incomplete.
The logs were attempted to be stored in
the flash ROM even though the logs
could not be stored in flash ROM.
Corrective action
Execute Data link stop
(SB0002) for the station that is
performing a data link.
After starting the data link of the
standby master station, execute
Forced master to standby
master switching (SB000C).
After starting the data link of the
standby master station, execute
Forced master to standby
master switching (SB000C).
Execute Forced master to
standby master switching
(SB000C) for the master
station.
Check ON/OFF of Forced
master switching (SB000C).
Use the G(P).RLPASET
instruction according to the
procedure below.
1. Clear the settings of the
network parameters and
refresh parameters of the
target module using GX
Works2.
2. Set the type of I/O
assignment setting in GX
Works2 to "intelligent".
3. Set switch 4 of the intelligent
function module switch
setting in GX Works2 to
0100 .
H
4. Turn the power supply to the
programmable controller
system off and back on, or
reset the programmable
controller CPU.
Do not instruct the master
station duplication error
cancelling during data linking.
Stop Data link and then execute
the transmission speed test.
Please consult your local
Mitsubishi representative.
Execute logging after clearing
the logs.
Stop logging and then clear the
logs.
Set to the remote net mode,
and then start the logging or log
clear.
Please consult your local
Mitsubishi representative.
Stop the data link and then
clear the logs.
Clear the logs again with "RAM
+ FlashROM" checked.
After clearing the logs with
"RAM + FlashROM" checked,
start logging.
Or, start the logging with "RAM"
checked.
15 TROUBLESHOOTING
Detectability
Master station Local station
(To the next page)
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