Mitsubishi Electric Melsec QJ71LP21 Reference Manual page 301

7 APPLICATION FUNCTIONS
Response data (All set by the system)
Device Item
(D1)+0 Request type
(D1)+1 Sub-request type
(D1)+2
(D1)+3
Clock data read
(D1)+4
(D1)+5
7: When "all stations or a group (FF
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0081 : Clock data read
H
0091 : Clock data write (when station No. is specified in (S1)+5)
H
0002 : Clock data read
H
0001 : Clock data write
H
Clock data that have been read are stored as BCD codes.
b15
(D1) 2
Month (01
Hour (00
(D1) 3
(D1) 4 Second (00
(D1) 5
or 81 to A0 )" is specified in Target station No. ((S1)+5), no response data will be stored.
H H H
POINT
Clock data cannot be written when system protect is applied to the target station
CPU module.
7
Setting data
to b8 b7
Year (00
to 12 )
H H
to 23 )
H H
Minute (00
to 59 )
H H
00 Day of week (00
H
Clock data
to
b0
to 99 ), Last 2 digits
H H
Day (01 to 31 )
H H
to 59 )
H H
to 06 )
H H
00 (Sun.) to 06 (Sat.)
H H
MELSEC-Q
Clock data
read write
: Stored : Not stored
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