Mitsubishi Electric Melsec QJ71LP21 Reference Manual page 328
Q corresponding melsecnet/h network system
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7
APPLICATION FUNCTIONS
Clock data
Device
Item
(D1)+0
Change pattern
(D1)+1
(D1)+2
Clock data
(D1)+3
(D1)+4
7 - 104
In (D1)+1 to (D1)+4, specify data to be changed. (all set by the user)
0: Do not change
1: Change
b15
0
Specify new clock data as BCD codes.
The range available for 4-digit year writing is 1980 to 2079.
(D1)
(D1)
(D1)
(D1)
POINT
Clock data cannot be written when system protect is applied to the target station
CPU.
Setting data
to
b8
b7 b6 b5 b4 b3 b2 b1 b0
0
to
b15
to
b8
1
Year (00
to 99
), Last 2 digits
H
H
2
Day (01
to 31
)
H
H
Minute (00
to 59
)
3
H
H
4
Year (19
to 20
), First 2 digits
H
H
MELSEC-Q
Year (lower two digits)
Month
Date
Hour
Minutes
Seconds
Day
Year (higher two digits)
to
b0
b7
Month (01
to 12
)
H
H
Hour (00
to 23
)
H
H
Second (00
to 59
)
H
H
Day of week (00
to 06
)
H
H
00
(Sun.) to 06
(Sat.)
H
H
7 - 104
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