Mitsubishi Electric MELSEC iQ-F FX5 User Manual page 68

Ex.
Storage example of error history and alarm history data
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 Value stored when an error occurs at 12:34:56.789 on Saturday, January 31, 2015
The start address of the error history where the latest error has been stored can be checked in 'Latest address of error history'
(Un\G2).
The start address of the alarm history where the latest alarm has been stored can be checked in 'Latest address of alarm
history' (Un\G4).
Ex.
When the third error occurred
The third error is stored in Error history No. 3 and 3620 (the start address of Error history No.3) is stored in 'Latest address of
error history' (Un\G2).
"Latest address of error history"
(Un\G2): 3620
4 FUNCTION
66
4.36 Error History Function
Stored 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.
Un\G3600
Error history No. 1
1st error
Un\G3610
Error history No. 2
2nd error
Un\G3620
Error history No. 3
(Open)
Un\G3750
Error history No. 16
(Open)
Latest
3rd error
*1
Storage example
2015H
131H
1234H
56H
6H
7H
89H