Mitsubishi Electric MELSEC iQ-F FX5 User Manual page 174

Alarm history
Up to 16 alarms that occurred in the analog input module are logged.
b15
Un\G3760
Un\G3761 First two digits of the year
Un\G3762
Un\G3763
Un\G3764
Un\G3765 Millisecond (upper)
Un\G3766
Un\G3769
Item
First two digits of the year/Last two digits of the
year
Month/Day
Hour/Minute
Second
Day of the week
Millisecond (upper)
Millisecond (lower)
*1 These values assume that an alarm occurs at 10:35 and 40.628 seconds on Monday, January 30th, 2017.
■Buffer memory address
The following shows the buffer memory address of this area.
Buffer memory name
Alarm history
Alarm history (in FX3 allocation mode function)
APPX
172
Appendix 4 Buffer Memory Areas
to b8 b7
Alarm code
Month
Hour
Second
System area
Storage contents
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
3760 to 3919
8760 to 8919
to b0
Last two digits of the year
Day
Minute
Day of the week
Millisecond (lower)
*1
Storage example
2017H
0130H
1035H
40H
1H
06H
28H