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9. COMMUNICATIONS IN THE NO-PROTOCOL MODE
MELSEC-A
(3)
Data transmission
program examples
To
write
"AlSJ71 C24[]"CR,
LF by
sequence
program
and transmit it to
an
external device
(AlSJ71C24
1 1 0
addresses: 80
to
SF)
xample 1:
Transmitting data
in word units
(buffer
memory allocation: default)
I
.
Send request
Y90
2 . , ,
(5)
AlSCPU
(Program)
(
A I S C P U program example
p~
X O
X 8 0 Y90
- 1
ASC ~ 1 ~ ~ 7 1 ~ 2 4
[ I
Dl
1
(1
T
Send command
s
M O V P
I
H O A O D
I
D 6
4
TOP
H8
HO
DO
K7
(4)J
h
SET
Y 9 0
(5)
X 8 0
i
RST
Y 9 0
(' 3 )
lend
31H
37H
32H.
43H
20H.
34H
(LF1
ICR)
OAH,
ODH
1O1
Sequence program
AlSJ71 C24
data memory
buffer memory
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