Error Code (Buffer Memory Address 0: Un\G0) - Mitsubishi Electric MELSEC-Q Series User Manual

3 SPECIFICATIONS

3.5.2 Error code (buffer memory address 0: Un\G0)

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An error code is stored when an error occurs in the Q62HLC.
When checking the error code on the system monitor of GX Developer, monitor with
hexadecimal. The numeric value at the last digit shows the error code.
(1) When data is written from the programmable controller CPU, the Q62HLC
checks:
• Whether write data range is proper or not
(2) The following operations are performed at error occurrence.
• Error code is stored (refer to Section 8.1).
When a write data error occurs, the buffer memory address is stored in the
error cause part.
When an auto tuning error completion or a hardware failure occurs, the factor
code is stored in the error cause part.
• Error flag (Xn2) is turned on.
(3) If more than one error has occurred, the error code and error occurrence
address of the error having the highest priority are stored. (Refer to Section 8.1.)
(4) For the error clear method, refer to Section 8.1.
MELSEC-Q
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