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9
WHEN COMMUNICATING DATA USING THE MC PROTOCOL
External device side
(Data name)
(Example)
2
0
30
32
H
H
PLC side
External device side (Response message)
(Normal completion)
38
External device side
(Data name)
(Example)
00
H
PLC side
External device side (Response message)
(Normal completion)
9 - 5
2) When writing data to the local station PLC from the external device side
PLC side (Command message)
Text (Command)
-
-
H
L
H
L
F
F
0
0
0
A
46
46
30
30
30
41
H
H
H
H
H
H
Character area C
Text (Response)
H
L
8
2
0
0
32
30
30
H
H
H
H
(b) Communication in binary code
1) When reading data from the local station PLC at the external device side
PLC side (Command message)
Text (Command)
L
H
FF
0A
00
H
H
H
Character area A
Text (Response)
80
00
H
H
Character area B
The contents and arrangement of the data items in
the text differs according to the function to use.
See the sections explaining functions found in
Subsection 9.3.2 and after for details
(Abnormal completion)
When complete code
5B
is returned
H
8
38
H
Exists only when the complete code is "5B."
The contents and arrangement of the data items in
the text differs according to the function to use.
See the sections explaining functions found in
Subsection 9.3.2 and after for details
(Abnormal completion)
When complete code
5B
is returned
H
80
Exists only when the complete code is "5B."
MELSEC-F
Text (Response)
H
L
H
L
2
5
B
1
2
0
0
32
35
42
31
32
30
30
H
H
H
H
H
H
H
Text (Response)
5B
00
12
H
H
H
H
9 - 5
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