Mitsubishi LJ61BT11 User Manual page 352

Error code
Error details
(hexadecimal)
Message transmission
BC51
handshake failure
Message transmission
BC52
handshake timeout
Message transmission
BC53
handshake timeout
BC54
Message transmission
handshake failure
BC55
BC57 Requests overlapped error
BC58
Message transmission
handshake failure
BC59
BC5B Abnormal response received
BC5C
BC5D
Message transmission
handshake failure
BC5E
BC5F
Invalid number of
BC60 simultaneously executed
message transmissions
No. of concurrent execution
BC70 error
(Remote device station access)
Unsupported function error
BC71
(Remote device station access)
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Cause of error occurrence (details)
During execution of message
transmission, a data link error occurred
on the station.
During execution of message
transmission, some parameters were
changed.
With the message transmission function,
abnormal data were received.
In the message transmission function, a
communication timeout has occurred.
Data link stop (SB0002) was executed
during the message transmission.
In the message transmission function, a
communication timeout has occurred.
Data link stop (SB0002) was executed
during the message transmission.
With the message transmission function,
abnormal data were received.
Executions of multiple requests for
message transmission or remote device
station access from a peripheral were
attempted to the same station.
With the message transmission function,
abnormal data were received.
With the message transmission function,
an abnormal response was received.
With the message transmission function,
abnormal data were received.
The message transmission function was
executed simultaneously for 5 or more
remote device stations.
Too many remote device station
accesses were requested from
peripherals.
Execution of the remote device station
access function was attempted from
other than the master station.
Corrective action
Check the operation of the
target remote device station.
Stop the data link, and then
change parameters.
Check the program to see if any
prohibited remote output (RY)
has not been accessed.
If the same error persists after
checking the above, the master
module or remote device
station may be faulty. Please
consult your local Mitsubishi
representative.
Increase the value for
Monitoring time setting
(SW0009).
If the error occurs again, check
the target module and cables.
Stop data link after completion
of message transmission.
Increase the value for
Monitoring time setting
(SW0009).
If the error occurs again, check
the target module and cables.
Stop data link after completion
of message transmission.
Execute the message
transmission function again.
If the same error persists, the
master module or remote
device station may be faulty.
Please consult your local
Mitsubishi representative.
Execute a request after
completion of another
processing.
Execute the message
transmission function again.
If the same error persists, the
master module or remote
device station may be faulty.
Please consult your local
Mitsubishi representative.
Check the operation of the
target remote device station.
Execute the message
transmission function again.
If the same error persists, the
master module or remote
device station may be faulty.
Please consult your local
Mitsubishi representative.
Simultaneously execute the
function for 4 stations or less.
Execute four requests or less at
the same time.
Execute the function from the
master station.
15 TROUBLESHOOTING
Detectability
Master station Local station
(To the next page)
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