Mitsubishi MELSEC Q Series Reference Manual page 386
With melsec communication protocol
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Also See for MELSEC Q Series:
- Programming manual (1296 pages) ,
- User manual (814 pages) ,
- Structured programming manual (268 pages)
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External device side
S
(Data name)
T
X
H
L
H
(Example)
0
0
F
02
30
30
46
H
H
H
H
1 Sum check is performed within this range.
(Ex.) When the result of the addition is 345
Programmable controller CPU side
External device side (Response message)
(At normal completion)
S
T
X
H
0
02
30
H
H
1 Sum check is performed within this range.
(Ex.) When the result of the addition is 1E2
External device side
S
(Data name)
T
X
H
L
H
(Example)
0
0
F
02
30
30
46
H
H
H
H
1 Sum check is performed within this range.
(Ex.) When the result of the addition is 429
Programmable controller CPU side
(At normal completion)
S
T
X
H
0
02
30
H
5 - 7
(3) Communication in format 3
(a) When the external device reads data from the programmable controller CPU
on the local station
Programmable controller CPU side
(Command message)
Character area A
L
F
46
H
.
H
Character area B
L
H
L
0
F
F
30
46
46
H
H
H
(b) When the external device writes data to the programmable controller CPU
on the local station
Programmable controller CPU side
(Command message)
Character area C
L
F
46
H
.
H
External device side
(Response message)
E
T
X
L
H
L
0
F
F
G
G
30
46
46
47
47
03
H
H
H
H
H
H
H
5 WHEN COMMUNICATING USING THE A COMPATIBLE 1C FRAMES
E
S
T
T
X
X
H
L
H
4
5
0
03
34
35
02
30
H
H
H
H
The arrangement of the data items differs according to the command.
Refer to the sections explaining commands found in Section 5.2.2
and after for details.
(At abnormal completion)
E
T
X
When error code
05
H
H
L
E
2
03
45
32
H
H
H
.
H
E
T
X
H
L
2
9
03
32
39
H
H
H
The arrangement of the data items differs according to the command.
Refer to the sections explaining commands found in Section 5.2.2
and after for details.
(At abnormal completion)
When error code
05
H
(At normal
completion)
Character area D
E
S
T
T
X
X
L
H
L
0
F
F
G
G
30
46
46
47
47
03
02
H
H
H
H
H
H
H
H
( 2)
S
T
X
is returned
H
L
H
L
0
0
F
F
02
30
30
46
46
H
H
H
H
H
S
T
X
is returned
H
L
H
L
0
0
F
F
02
30
30
46
46
H
H
H
H
H
(At abnormal
completion)
Character area D
E
T
X
H
L
H
L
0
0
F
F
N
N
30
30
46
46
4E
4E
03
H
H
H
H
H
H
H
( 2)
E
T
X
H
L
0
5
N
N
30
35
4E
4E
03
H
H
H
H
H
E
T
X
H
L
0
5
N
N
30
35
4E
4E
03
H
H
H
H
H
5 - 7
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