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11
TROUBLESHOOTING
11 - 18
(7) Automatic communication function error code storage area
(a)
When an error occurs in the automatic communication function, the error
code corresponding to the automatic communication parameter 1 to 64 is
stored in this area.
(b)
When the automatic communication function operation status bit turns ON,
the error code is stored into the corresponding area.
(c)
The automatic communication function error code storage area is not
cleared.
The error code is overwritten when a new error occurs.
(8) Error log area
(a)
Up to 32 latest errors are stored into the error log area as an error history.
Number of errors occurred
Error log write pointer
Error log 1
Error log 2 to 32 (as in error log 1)
(b)
Number of errors occurred
1)
The number of errors entered into the error log is stored.
2)
If 65536 or more errors have occurred, the count stops at FFFF
(65535).
(c)
Error log write pointer
The number of the latest error log is stored.
0
: No error (no entry of error log)
1 to 32 : Error long number where the latest error log is entered
Error Log Area Name
Error code
Exception code
Function code
Local station port No.
Target IP address
Target device port No.
MELSEC-Q
Address
0CFE
H
(3326)
0CFF
H
(3327)
0D00
H
(3328)
0D01
H
(3329)
0D02
H
(3330)
0D03
H
(3331)
0D04
to 0D05
H
H
(3332 to 3333)
0D06
H
(3334)
0D08
to 0DFF
H
H
(3336 to 3583)
H
11 - 18
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