Mitsubishi MELSEC Q Series Reference Manual page 366

(3) Control procedure
External device side
(Data name)
(Example)
Programmable controller CPU side
(At normal completion)
External device side
(Data name)
(Example)
Programmable controller CPU side
(At normal completion)
4 - 3
(a) Communication in format 1
1) When the external device reads data from the Q/LCPU
(Example)
Using command 1, the external device reads five points of data
from X40 to X44 in the Q/LCPU.
Programmable controller CPU side (Command message)
E
N
Q
H L H L H L H –
F B 0 0 0 0 1 X 0
05 46 42 30 30 30 30 31 58 2A 30 30
H H H H H H H H H H H
Sum check is performed within this range.
External device side (Response message)
Character area B
S E
T T
X X
H L H L H L H – – – L H
F B 0 0 0 0 0 1 1 0 1 3
02 46 42 30 30 30 30 30 31 31 30 31 03 33
H H H H H H H H H H H H H
Sum check is performed
within this range.
2) When the external device writes data to the Q/LCPU
(Example)
Using command 3, the external device writes five points of data to
M903 to M907 in the Q/LCPU.
Programmable controller CPU side (Command message)
E
N
Q
H L H L H L H –
F B 0 0 0 0 3 M 0
05 46 42 30 30 30 30 33 4D 2A 30
H H H H H H H H H H H
Sum check is performed within this range.
External device side (Response message)
A
C
K
H L H L H L
F B 0 0 0 0
06 46 42 30 30 30 30
H H H H H H H
4 WHEN COMMUNICATING USING THE QnA COMPATIBLE 2C FRAMES
Character area A
– – – L H – – L H L
0 0 0 4 0 0 0 0 5 E 4
30 30 34 30 30 30 30 35 45 34
H H H H H H H H H H H
(At abnormal completion)
When error code
7151
L
E
45
H H
Character area C
– – – L H – – L H 0 0 0 L
0 0 9 0 3 0 0 0 5 0 1 1 0
30 30 39 30 33 30 30 30 35 30 31 31 30 31
H H H H H H H H H H H H H
(At abnormal completion)
When error code
7151
N
A
K
is returned
H
H L H L H L
F B 0 0 0
15 46 42 30 30 30
H H H H H
H L
1 D 6
44 36
H H H
N
A
K
is returned
H
H L H L H L
F B 0 0 0
15 46 42 30 30 30
H H H H H H
H – – L
0 7 1 5 1
30 37 31 35 31
H H H H H H
H – – L
0 7 1 5 1
30 37 31 35 31
H H H H H
4 - 3