Error Log Area - Mitsubishi Electric Melsec Q Series User Manual
Programmable contoller
mes interface module
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Also See for Melsec Q Series:
- User manual (834 pages) ,
- Reference manual (674 pages) ,
- Programming manual (624 pages)
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3
SPECIFICATIONS
3.6.5 Error log area
(1) Error count (Buffer memory address: 150)
(2) Error log write pointer (Buffer memory address: 151)
(3) Error log 1 to 16 (Buffer memory address: 152 to 247)
Buffer memory address: 152 to 157
158 to 163
242 to 247
3
- 29
3.6 Buffer Memory Details
3.6.5 Error log area
(a) The cumulative number of registrations to the Error log area is stored.
(a) The number of error log to which the latest error is registered is stored.
0: No error (No error log stored)
1 or more: Error log number of the latest error stored
*1
The pointer value of "16" indicates that the latest error has been registered into the error log area
of 16.
(b) If 17 or more errors occur, the excess errors are registered to the error log areas,
starting from the error log 1 area again.
The error history is stored.
The Error log area is composed of 16 logs of the same data arrangement.
(a) Error code
An error code which indicates the error contents is stored.
For error codes, refer to the following:
Section 10.2 Error Code List
(b) Time
The time when the error occurred is stored in BCD code.
Error log 1
Error log 2
Error log 16
Figure 3.7 Error time area
(c) If an error that has already stored in the Error log area recurs, the error code is not
stored in the Error log area.
b15
to
+0
Error code
+1
System area (Use prohibited)
+2
Month (01
to 12
)
H
H
+3
Hour (00
to 23
)
H
H
+4
Second (00
to 59
)
H
H
Year (00
to 99
)
+5
H
H
The first two digits of the year
*1
b8 b7
to
b0
Year (00
to 99
)
H
H
The last two digits of the year
Day (01
to 31
)
H
H
Minute (00
to 59
)
H
H
Day of the week (0
to 6
H
H
Time
)
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