Mitsubishi Electric MELSEC iQ-R Series User Manual page 181

Error history
Common
Up to 16 errors that occurred in the module are recorded.
Ex.
For error history No.1
b15 ...
Un\G3600
Un\G3601 First two digits of the year
Un\G3602 Month
Un\G3603 Hour
Second
Un\G3604
Millisecond (upper)
Un\G3605
Un\G3606
Un\G3609
Item
Error code
First two digits of the Last two digits of the
year year
Month Day
Hour Minute
Second
Day of the week
Millisecond (higher-order digits)
Millisecond (lower-order digits)
System area
*1 Values stored when a flash memory error (error code: 3030H) occurs at 12:34:56.789 on Monday, October 31st, 2016.
■Buffer memory address
The following shows the buffer memory address of this area.
Buffer memory name
Error history
b8 b7 ...
Error code
Last two digits of the year
Day
Minute
Day of the week
Millisecond (lower)
System area
Storage contents
An error code is stored.
Stored in BCD code.
One of the following values is stored in BCD code.
Sunday: 0, Monday: 1, Tuesday: 2, Wednesday: 3
Thursday: 4, Friday: 5, Saturday: 6
Stored in BCD code.

No.1 to No.16
3600 to 3759
b0
Appendix 3 Buffer Memory Areas
*1
Storage example
3030H
2016H
1031H
1234H
56H
1H
7H
A
89H

APPX
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