Mitsubishi Electric MELSEC Q Series Reference Manual page 391

(b) Request data (All set by the user)
Device Item
0001
0011
(S2)+0 Request type
0031
0002
Sub-request
(S2)+1
type 0001
1)
Change
pattern, clock
(S2)+2
data to be
changed
2)
Specify new clock data as BCD codes.
(S2)+3
Clock data to
(S2)+4
be changed
(continued)
(S2)+5
In clock data writing by the REQ instruction, the first two digits of the year cannot be changed.
To change the first two digits, refer to the following.
• Clock setting from a programming tool:
• RTMWR (Clock Data Write to Programmable Controllers on Other Stations):
Setting data
: Clock data read
H
: Clock data write (when station No. is specified in (S1)+5)
H
: Clock data write (when all stations or a group is specified in (S1)+5)
H
: Clock data read
H
: Clock data write
H
Change pattern (bits 0 to 7)
Specify which items are to be written to the fields of (high byte of
(S2)+2) to ((S2)+5).
0: Do not change
1: Change
b7 b6 b5 b4 b3 b2
0
Year data (bits 8 to 15)
Specify the year (last two digits) as a BCD code.
b15
Year (00 to 99
H
b15 to
(S2)+3 Day (01 to 31 )
H H
(S2)+4 Minute (00 to 59 )
H H
(S2)+5 Day of week (00 to 06
H
CHAPTER 9 DEDICATED INSTRUCTIONS
b1 b0
Year (Last 2 digits)
Month
Day
Hour
Minute
Second
Day of week
to b8
) First 2 digits
H
b8 b7 to b0
Month (01 to 12 )
H H
Hour (00 to 23 )
H H
) Second (00 to 59 )
H H H
00 (Sun.) to 06 (Sat.)
H H
Page 104, Section 4.2.4
Clock data Clock data
read write
—
—
—
—
: Set —: Not set
Page 467, Section 9.17
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