P
L.
8.
COMMUNICATIONS
USING
DEDICATED PROTOCOLS
MELSEC-A
r-
(2)
The AnACPU dedicated commands and device ranges used
for
device
memory read/write are described below.
(a) AnACPU dedicated commands
T
RUN Durin
w22
ON
-
0
BW22
OFF
-
0
-
Bit
units
-
Word
unb
Batch
Read
SiH,
ti2H
.
..
Fb.ds
word
devices
(D,
R,
T,
C,
etc.)
in
units
of
points.
64
points
.Bit
units
-
Word
units
-
Bit
unb
-
Word
Jw
Writss
data
to
bit
devkes
(X,
Y,
M,
etc.)
in
10
word8
units
of
16
poi&.
(1
60
m)
51
H.
Batch
Write
0
-
0
-
0
X
-
X
-
0
i
1-
(Rndan
Write)
_.
P
Wrksdntntowddevices(D,Fl,T,C,
etc.)
in units
of
points
by
derignuting
Ute
devicm
and
device
numbon
at
random.
L
n
-
Bit
unb
-
word
units
1
Setsthebitdevicas(X,Y,M,etc.)tobe
2owdr
monitored in units
of
16
points.
Sets
the
word
devices
(D,
R,
T,
C,
etc.)
to
be
monitored in unb
of
points.
51n,
4DH
(320
points)
2opoints
I
i.
f
L-.
Bit
unb
Monitor
-
0
-
0
-
-
0
Word
units
-
L
n
Note
:
o
........
Executable
x
.........
Not executable
C-
/-.
8-25
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