Mitsubishi Electric MELSEC iQ-R-R00CPU - Page 749

APPX
Appendix 1 Error Codes
747
A
3421H Operation error • When writing data to the data
memory by using the SP.DEVST
instruction, the number of writes
per day exceeded the number set
in SD771.
• The value set in SD771 is out of
range.
Stop/
continue
• Check the detailed information (error
location information) of the error by
executing module diagnostics using
the engineering tool, display the error
program (step) by clicking the [Error
Jump] button, and check if the
SP.DEVST instruction is used correctly
in the program.
• Execute the SP.DEVST instruction
again on another day, or change the
value in SD771.
• Set the value in SD771 within the
settable range.
Error location
information
At instruction
execution
3422H Operation error • The structure of the PID control
instruction is incorrect.
Stop/
continue
• Check the detailed information (error
location information) of the error by
executing module diagnostics using
the engineering tool, display the error
program (step) by clicking the [Error
Jump] button, and correct the PID
control instruction structure.
Error location
information
At instruction
execution
3423H Operation error • The size of data to be sent/
received by the socket
communications instruction
exceeds the allowable range.
Stop/
continue
• Check and change the send data size
of the CPU module or the external
device.
• If the same error code is displayed
again, the possible cause is a
hardware failure of the CPU module.
Please consult your local Mitsubishi
representative.
Error location
information
At instruction
execution
3424H Operation error • A second SFC program was
started with an instruction while an
SFC program was running.
Stop/
continue
• Check the detailed information (error
location information) of the error by
executing module diagnostics using
the engineering tool, display the error
program (step) by clicking the [Error
Jump] button, and check the SFC
program execution status.
Error location
information
At instruction
execution
3425H Operation error • The clock data specified with the
DATEWR(P) instruction is less
than 1 hour from the daylight
saving time starting time.
Stop/
continue
• Check the detailed error information
(error location information) by
executing module diagnostics using
the engineering tool, display the error
program (step) by clicking the [Error
Jump] button, and correct the clock
data specified with the instruction or
the daylight saving time setting starting
time.
Error location
information
At instruction
execution
3426H Operation error • The specified file name (before a
period) or extension includes two
or more "*".
• The specified file name (before a
period) or extension includes "*"
and "?'"
• A wild card ("*", "?") is used in a
location where it cannot not be
used.
• A file that cannot be transfered
has been specified.
• A file name is not specified.
• A delimiter for a drive number has
been specified with characters
other than ":\" or ":/".
Stop/
continue
•
Check the usage of wild card
characters.
• Use a file that can be transferred.
• Specify a file name.
• Specify a delimiter for a drive number
with ":\" or ":/".
Error location
information
At instruction
execution
3427H Operation error The control data (d1) of the
SP.FREAD and SP.FWRITE
instruction are specified with an
invalid combination between the
execution/completion type and the
data type specification.
Stop/
continue
Check the detailed information (error
location information) of the error by
executing module diagnostics using the
engineering tool, display the error
program (step) by clicking the [Error
Jump] button, and change the
combination to a valid one.
Error location
information
At instruction
execution
Error
code
Error name Error details and cause Stop/
continue
Action Detailed
information
Diagnostic
timing