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MELSEC-F
WHEN COMMUNICATING DATA USING THE MC PROTOCOL9
9 - 20
(2) Communication in ASCII code
NOTE
(1) Use the designation "00H" when the number of device points is 256 points.
(2) If the number of device points designated is an odd number, one byte of
dummy data (30
H) will be added to the response data. For example, if three
points are read, data for four points is returned. The last byte is dummy data.
F
46
H
30
H
0
30
H
0
30
H
0
41
H
A
30
H
0
30
H
0
30
H
0
F
46
H
HLH LH
0
30
H
HL
34
H
4
36
H
6
30
H
0
43
H
C2
32
H
D
44
H
30
H
0
30
H
0
30
H
0
30
H
0
LHL
30
H
0
30
H
0
30
H
0
30
H
0
30
H
0
34
H
4
30
H
0
38
H
8
31
H
1
HL
30
H
0
30
H
0
30
H
0
LH H L
30
H
0
30
H
0
30
H
0
30
H
0
HLHL
30
H
0
31
H
1
31
H
1
31
H
1
HL
Status of
M100
(ON)
Status of
M102
(OFF) (OFF) (OFF)
Status of
M104
(ON)
Status of
M106
(ON)
Status of
M108
Status of
M110
Status of
M101
(OFF) (OFF) (OFF) (OFF) (OFF)
Status of
M103
Status of
M105
Status of
M107
(ON)
Status of
M109
Status o
f
M111
-
-----
--
----
Subheader
PC No.
Number of
device points
Head device
(Data name)
External device
side
(Example)
(Data name)
PLC side
(Example)
Monitoring
timer
Subheader
Complete code
Data for the number
of designed device
points
Characters for the
number of device
points
30
H
0
30
H
0
30
H
0
38
H
8
31
H
1
30
H
0
30
H
0
30
H
0
30
H
0
30
H
0
30
H
0
30
H
0
30
H
0
31
H
1
31
H
1
31
H
1
(80
H
)(00
H
)