Mitsubishi MELSEC Q Series Reference Manual page 79

External device side
E
N
(Data name)
Q
H
(Example) 0
05 30
H H
Programmable controller CPU side
(Normal completion)
S
T
X
H
0
02 30
H
H
(Abnormal completion)
N
A
K
H
0
15 30
H H
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3 WHEN COMMUNICATING USING THE QnA COMPATIBLE 3E/3C/4C FRAMES OR 4E FRAME
(3) Communication in format 2 (for communication in ASCII code)
(a) When the external device reads data from the programmable controller
CPU on the local station
Programmable controller CPU side
(Command message)
L H L H L H L H L
0 F 9 0 0 0 0 F F
30 46 39 30 30 30 30 46 46
H H H H H H H H
Sum check is performed within this range. ((Ex.) When the result of the addition is 67C
External device side
(Response message)
L
H L H L H L H L
0 F 9 0 0 0 0 F F
30 46 39 30 30 30 30 46 46
H
H H H H H H H
Sum check is performed within this range.
((Ex.) When the result of the addition is 381
L H L H L H L H L
0 F 9 0 0 0 0 F F
30 46 39 30 30 30 30 46 46
H H H H H H H H
H L
H – – L H –
0 0
30 30
H H H
Character area B
E
T
X
H L
0 0
30 30
H H H 03
H
)
H
(For 7151 )
H
H L H – – L
0 0 7 1 5 1
30 30 37 31 35 31
H H H H H H H
Character area A
– L
)
H
The arrangement of the data items differs
according to the command and sub command.
Refer to the sections explaining commands
found in Section 3.3.2 and after for details.
H L
8 1
38 31
H H
H L
7 C
37 43
H H
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