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9
WHEN COMMUNICATING DATA USING THE MC PROTOCOL
(Data name)
Monitoring
External device
side
H L H
(Example)
0
5
F F
0
30
35
46
46
30
30
H
H
H
H
H
0
1
1
1
1
0
Y37
to
9 - 34
(2) Communication in ASCII code
Designated device
timer
L
H L
H
-
-
-
-
-
0
0 A 0
3
0
0
5
9
2
0
30
41
30
33
30
30
35
39
32
30
30
H
H
H
H
H
H
H
H
H
H
H
Y20 (Octadecimal) = 10 (Hexadecimal)
1
1
0
0
1
0
1
0
0
1
Y30
Y27
to
Y20
Device data
(ON/OFF
designation)
L
H
-
-
-
-
-
-
-
-
-
0
0
0
0
0
0
1
0
7 B 2
30
30
30
30
30
31
30
37
42
32
39
H
H
H
H
H
H
H
H
H
H
H
Y20
Designated device
H
-
-
-
-
-
4
3
4 E 0
0
34
33
34
45
30
30
30
H
H
H
H
H
H
Current value of CN18
(Data name)
PLC side
(Example)
Designated device
L H
-
-
-
-
-
-
-
-
-
9
5
2
2
0
0
0
0
0
0
0
35
32
32
30
30
30
30
30
30
30
H
H
H
H
H
H
H
H
H
H
H
R26
Device data
L H
L
-
-
-
-
-
-
-
0
0
0
0
1
2
0
0
5
0
30
30
30
31
32
30
30
35
30
H
H
H
H
H
H
H
H
H
H
50
H
MELSEC-F
Device data
L
H
L
-
-
-
1
A 1
2
3
4
31
41
31
32
33
34
H
H
H
H
H
H
1234
H
H L
8
5
0
0
38
35
30
30
H
H
H
H
9 - 34
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