7. APPLICATION INSTRUCTIONS
7
−
85
MELSEC-A
7.6.6 Special module/special block
1-, 2-word data write
(TO, TOP, DTO, DTOP)
Available Device
Bit device
Word (16-bit) device
Constant
Pointer
Level
Ca
rr
y
fla
g
Err
o
r
fla
g
X Y M L S B F T C D W R A0
A1
Z V K H P I N
D
igit specification
Inde
x
M9012 (M9010, M9011)
n1
O
O
n2
O
O
(S)
O O O O O O O O O O O O
n3
O
O
* O
O
*: K1 to K4 when the TO(P) instruction is used. K1 to K8 when the DTO(P) instruction is used.
Function TO
Writes the n3-point data from the device number specified by (S) to the buffer
memory addresses beginning with the address specified by n2 in the special
module/special block specified by n1.
AnS
AnN
AnSH
An A1FX
A3H
A3M
A3V AnA
AnU, A2AS
A2USH-S1
A2USH board
QCPU-A
(A Mode)
A0J2H
A2C
A52G
A73
A3N
board
Applicable
CPU
X X O X X X
X
X X X X
Remark
n3
n3
n1
Sets the position of the special module
or the special block counted from the
A1FXCPU (0 to 7).
n2
The head address of the special module
or the special block where the data is
read.
(S)
Data to be written or head number of
A1FXCPU device storing the data tobe
written
n3
Number of data to be read
Setting data
TO, DTO
Indicates the instruction symbol.
n1 (S)
n1 (S)
P
n2
n2
Write commands
Buffer memory in
the special module/
special block
A1FXCPU
n2
Device specified at (S)
n3 points
n3 words
Summary of Contents for MELSEC-A series
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