Mitsubishi MELSEC-A series, Programming Manual

Page: 271 / 508

7. APPLICATION INSTRUCTIONS
7
−
69
MELSEC-A
DTO
Writes the data of "n3
×
2" points, which begin with the device specified at (S), to
addresses starting at the address specified at "n2" of buffer memory inside the
special function module specified at "n1".
Special function module
buffer memory
Device specified at (S)
CPU module
0
n2
(n3 2)
points
(n3 2)
words
n2+1
When a constant is designated to (S), writes the same data (value designated to (S))
to the area of n3
×
2 points starting from the specified buffer memory.
((S) can be designated in the following range: -2147483648 to 2147483647 or 0
H
to
FFFF
H
.)
(n3 2) words
(The same data
is written)
Special function module
buffer memory
(When 70000 is
designated to (S))
70000
0
n2
n2+1
70000
70000
70000
(S)
CPU
REMARK
•
At "n1", specify the upper two digits of the head I/O number of slot where the special function
module is loaded.
•
The number of steps is 11 when 2-word data is written by the DTO(P) instruction.
Example
Execution Conditions
Head I/O number to be written, K4 or H4
P
o
w
e
r s
uppl
y
m
odul
e
CP
U m
odul
e
A
X
10
A
X
10
A
X
10
A
X
10
A
68A
D
A
D
71
A
Y
10
A
Y
10
OFF
ON
Executed
per scan
Executed
per scan
Executed
only once Executed
only once
P
Write command