7. APPLICATION INSTRUCTIONS
7
−
76
MELSEC-A
7.6.4 Remote terminal module 1- and
2-word data write
(TO, PRC, TOP, PRC, DTO, PRC,
DTOP, PRC)
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
FROM
n2
O
O
(S)
O
O
O
O
O O
O
DFRO
n3
O
O
O
O
(D1)
O
O
O
O
PRC
(D2)
O
*: K1 to K4 when the TO(P) instruction is used. K1 to K8 when the DTO(P) instruction is used.
Functions
TO , PRC
(1) Writes data of "n3" points, which begin with the device specified at (S), to the
address starting with the one specified at "n2" of buffer memory in the remote
terminal module specified at "n1".
0
n2
to
Remote terminal
buffer memory
CPU module
Device specified at (S)
n3
points
n3
words
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 X X X X
X
X O X X
Remark
K1
to
K4
K1
to
K8
n3
n3
n1
A2C: Head station number of remote
terminal
module
A52G: (Head station number of remote
terminal module) + (100)
n2
Head address where data is to be
written
(S)
Number of the device which stores data
to be written
n3
Number of data to be written
(D1)
Number of the device to be turned ON
at write completion
(D2)
Dummy data which has no meaning in
program processing
Setting data
TO, DTO
Indicates the instruction symbol.
n1 (S)
n1 (S)
P
n2
n2
Write commands
(D2)
(D1)
PRC
(D2)
(D1)
PRC
Not required when the AJ35PTF-R2 RS232C interface unit is used. For details,
refer to AJ35PTF-R2 RS-232C interface unit user’s manual.
Summary of Contents for MELSEC-A series
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