Mitsubishi Electric Q26UD(E)HCPU - Page 548

546
SD671
Status of
latch data
backup
function
Status display
This register stores the execution status of latch data backup
in the following bit pattern.
*1 Indicates status immediately after restoration.
*2 Indicates status after the CPU module is powered off
and then on while the CPU module is in the "2: Restore
execution completion" status.
S (Status
change)
New
QnU
LCPU
SD672
Backup
information
Backup time
(Year and
month)
This register stores the year (last two digits) and the month
when data were backed up in 2-digit BCD.
S (At write) New
QnU
LCPU
SD673
Backup time
(Day and
hour)
This register stores the day and the hour when data were
backed up in 2-digit BCD.
SD674
Backup time
(Minute and
second)
This register stores the minute and the second when data
were backed up in 2-digit BCD.
SD675
Backup time
(Year and day
of week)
This register stores the year (first two digits) and the day of
the week when data were backed up in BCD.
Number Name Meaning Explanation
Set by
(When Set)
Corresponding
ACPU
D9
Corresponding
CPU
0
1
2
3
4
Presence/
absence of
backup data
No backup data Absent Restoring not executed
Restore ready
completion
Present
Restoring executed in
the next time power
supply is turned ON
Restore execution
completion
Restoring not executed
Backup execution wait Restoring not executed
Restore repeated
execution ready
completion
Restoring executed
whenever power supply
is turned ON
Status
Restoration at turning
ON power supply in and
after the next time
*1
*2
b15
b12 b11
b8 b7
b4
b3 b0
to to to to
Example:
July, 1993
9307
H
Year
Month
b15
b12 b11
b8 b7
b4
b3 b0
to to to to
Day
Hour
Example:
31st, 10 a.m.
3110
H
b15
b12 b11
b8 b7
b4
b3 b0
to to to to
Example:
35 min., 48 sec.
3548
H
SecondSecondMinute
0
1
2
3
4
5
6
b15
b12 b11 b8 b7 b4 b3 b0
to to to to
Example:
1993, Friday
1905
H
Higher digits of year (0 to 99)
Sunday
Saturday
Friday
Thursday
Wednesday
Tuesday
Monday
Day of the week