Справочник Пользователя для Mitsubishi Electronics QSPCU
12
TROUBLESHOOTING
12.5 Error codes returned to request source during communication with CPU module
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12.5 Error codes returned to request source during communication
with CPU module
The CPU module returns an error code to GX Developer if an error occurs at a request of
communication from GX Developer.
communication from GX Developer.
POINT
This error code is not an error that is detected by the CPU module self-diagnosis
function, so it is not stored in the special relay (SD0).
When the request origin is a GX Developer, a message or an error code is
displayed.
function, so it is not stored in the special relay (SD0).
When the request origin is a GX Developer, a message or an error code is
displayed.
The error contents of the error codes (4000
H
to 4FFF
H
) detected by the CPU module and
the messages displayed by the GX Developer are shown in Table12.10.
Table12.10 Error code
Error code
(Hexadecimal)
Error item
Error details
Corrective action
4000
H
Common error
Serial communication sum check error
• Connect the serial communication cable correctly.
• Take noise reduction measures.
• Take noise reduction measures.
4001
H
Unsupported request was executed.
Check the CPU module model name selected in the
peripheral device.
peripheral device.
4002
H
Unsupported request was executed.
Check the CPU module model name selected in the
peripheral device.
peripheral device.
4003
H
Command for which a global request cannot
be performed was executed.
be performed was executed.
Perform the request again with a peripheral device.
4004
H
Any operation for the CPU module is
prohibited by the system protect function
provided against the following events.
prohibited by the system protect function
provided against the following events.
• The system protect switch is ON.
• The CPU module is starting.
• The CPU module is starting.
• Set the system protect switch of the CPU module to
OFF.
• Perform operation again after the CPU module has
completed starting.
4005
H
The volume of data handled according to the
specified request is too large.
specified request is too large.
Perform the request again with a peripheral device.
4006
H
Serial communication could not be initialized.
Check the CPU module model name selected in the
peripheral device.
peripheral device.
4010
H
CPU mode
error
error
The CPU module is running to the request
contents cannot be executed.
contents cannot be executed.
Execute after setting the CPU module to STOP status.
4013
H
Since the CPU module is not in a STOP
status, the request contents cannot be
executed.
status, the request contents cannot be
executed.
Execute after setting the CPU module to STOP status.