Download Q Corresponding Etherne Interface Module User`s Manual

6 DEDICATED INSTRUCTIONS
Request data (All items marked with
Device
MELSEC-Q
are set by the user)
Item
Clock data
read
Set data
(D1) + 0
Request type
0081H: Clock data read
0091H: Clock data write (When station No. is specified in
(S1)+5)
00B1H: Clock data write (When all stations or a group is
specified in (S1)+5)
(D1) + 1
Sub-request type
0002H: Clock data read
0001H: Clock data write
Higher 8 bits: month (01H to 12H),
lower 8 bits : year (00H to 99H)
(D1) + 2
Clock data
write
—
Year: Lower two digits
Higher 8 bits: hour (00H to 23H),
lower 8 bits : date (01H to 31H)
—
(D1) + 4
Higher 8 bits: second (00H to 59H),
lower 8 bits : minute (00H to 59H)
—
(D1) + 5
Higher 8 bits: (00H),
lower 8 bits : day of the week (00H (Sunday) to 06H
(Saturday)).
—
(D1) + 3
Clock data read
POINT
(1) The clock data cannot be read/written when the system protection is activated
on the target station's Q/QnACPU (the system protect switch is on).
(2) When the clock data is read, the response data storage device (D1) requires a
contiguous free area of six words.
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6 - 33