9 - 22
MELSEC-F
WHEN COMMUNICATING DATA USING THE MC PROTOCOL
9
9 - 22
(2) Communication in ASCII code
NOTE
If the number of device points to be set is an odd number, add one byte of dummy
data (30
H
) at the end of data written. For example, when writing three points, add the
dummy data (30
H
) at the end.
(Data name)
External device
side
(Example)
(Data name)
PLC side
(Example)
38
H
8
30
H
H
This designates to turn M50 ON
32
H
2
30
H
L
This designates to turn M51 ON
This designates to turn M60 OFF
This designates to turn M61 ON
30
H
0
H
L
0
30
H
C
43
H
0
30
H
1
31
H
1
31
H
1
31
H
0
30
H
0
30
H
F
46
H
30
H
0
30
H
0
30
H
0
30
H
A
F
46
H
H
L
H
L
32
H
2
2
32
H
H
32
H
2
44
H
D
34
H
4
33
H
3
30
H
0
30
H
0
30
H
0
30
H
0
30
H
0
30
H
0
30
H
0
L
0
0
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
Subheader
Complete code
Subheader
PC No.
Number of
device points
Head device
Monitoring
timer
Data for the number
of designed device points
Characters for the
number of device points
