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9
WHEN COMMUNICATING DATA USING THE MC PROTOCOL
(Data name)
Monitoring
External device
side
H L H
(Example)
0
2
F
F
0
30
32
46
46
30
H
H
H
H
H
(Data name)
PLC side
(Example)
9 - 22
(2) Communication in ASCII code
Head device
timer
-
-
L
H
-
-
-
-
-
-
0
0
A
4
D
2
0
0
0
0
30
30
30
34
44
32
30
30
30
30
30
H
H
H
H
H
H
H
H
H
H
This designates to turn M50 ON
This designates to turn M51 ON
NOTE
If the number of device points to be set is an odd number, add one byte of dummy
data (30
) at the end of data written. For example, when writing three points, add the
H
dummy data (30
) at the end.
H
-
-
-
-
L
H L
0
0
0
3
2
0
C
0
0
1
1
30
30
33
32
30
43
30
30
31
31
H
H
H
H
H
H
H
H
H
H
This designates to turn M60 OFF
This designates to turn M61 ON
Data for the number
of designed device points
Characters for the
number of device points
-
-
-
-
0
1
30
31
H
H
H
MELSEC-F
H
L
8
2
0
0
38
32
30
30
H
H
H
H
9 - 22
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