Mitsubishi MELSEC-A series, Programming Manual

Page: 288 / 508

7. APPLICATION INSTRUCTIONS
7
−
86
MELSEC-A
When a constant is designated to (S), writes the same data (value designated to (S))
to the area of n3 points starting from the specified buffer memory.
((S) can be designated in the following range: -32768 to 32767 or 0
H
to FFFF
H
.)
n3 words
(The same data
is written)
Buffer memory in
the special module/
special block
0
n2
CPU
(When 5 is
designated to (S))
5
5
5
5
(S)
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 module/special block specified at "n1".
Buffer memory in
the special module/
special block
Device specified at (S)
A1FXCPU
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)
(When 70000 is
designated to (S))
70000
0
n2
n2+1
70000
70000
70000
CPU
(S)
Buffer memory in
the special module/
special block
Execution TO and DTO instructions are executed every scan while the write instruction is ON.
Conditions TOP and DTOP instructions are executed only once at the rising edge (OFF
→
ON)
of the write instruction.
OFF
ON
Executed
per scan
Executed
per scan
Executed
only once Executed
only once
P
Write command