Mitsubishi 13J851, Руководство пользователя

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6. ERROR CODE
If an error occurs when the PLC is powered ON, switched to RUN status or
running, the QnACPU module executes the self diagnostics function to display the
error (LED display, message display) and store the error information into the
special relay SM and special register SD.
Also, if an error occurs when a communication request is issued from a peripheral
device, special function module or network system, the QnACPU module returns
the error code (4000
H
to 4FFF
H
) to the request source.
The following explains the QnACPU errors and the corresponding corrective
actions.
6.1 Error Code Type
Errors are detected by the self diagnostics function of CPU module or during
communication with CPU module.
The following table classifies the errors according to the detection pattern,
detection location and error code.
Error detection
pattern
Error detection
location
Error code Reference
Detection by the self
diagnostics function of
CPU module
CPU module 1000 to 10000*1 Section 6.3
CPU module 4000
H
to 4FFF
H
Q4ARCPU User’s Manual
Serial
communication
module, etc.
7000
H
to 7FFF
H
Serial Communication Module User’s
Manual, etc.
CC-Link module B000
H
to BFFF
H
CC-Link System Master/Local Module
User’s Manual
Ethernet module C000
H
to CFFF
H
Ethernet Interface Module User’s Manual
Detection at
communication with
CPU module
MELSECNET/10
network module
F000
H
to FFFF
H
For QnA/Q4AR MELSECNET/10
Network System Reference Manual
*1: CPU module error codes are classified into minor, moderate, major errors as
shown below.
•
Minor error:
Errors that may allow the CPU module to continue the
operation, e.g., battery error.
(Error code: 1300 to 10000)
•
Moderate error: Errors that may cause the CPU module to stop the
operation, e.g., WDT error.
(Error code: 1300 to 10000)
•
Major error:
Errors that may cause the CPU module to stop the
operation, e.g., RAM error.
(Error code: 1000 to 1299)
Determine the error level, i.e. whether the operation can be continued or stopped,
by referring to
“ Operating Statuses of CPU ” described in Section 6.3 “ Error Code
List ”