Mitsubishi MELSEC Q Series Reference Manual page 414
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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[Control procedure]
To monitor the device registered with the WM command: MN command (ACPU common command)
To monitor the device registered with the QM command: MQ command (AnA/AnUCPU common command)
(Data name)
External device
side
(Example)
4D
There is no
(Data name)
character area A.
Programmable controller CPU side
(Example)
Indicates the content of D15 is
Indicates the content of W11E is
Indicates the content of T123 is
5 - 35
(b) Monitoring the bit device memory and the word device memory to which the
monitor data is registered in word units.
Device memory registered using the WM command is monitored with the
MN command.
Device memory registered using the QM command is monitored with the
MQ command.
(Monitoring Conditions)
1)
Message wait time is 0 ms.
2)
Monitor the current values of D15, W11E and T123 as well as 4 points
(4 words) of Y060 to Y06F at which monitor data is registered.
Four characters are used for one device point.
Thus, one word data is expressed by a 4-digit value (hexadecimal).
M
Q
0
51
30
H
H
H
Monitoring result
(For the number of points designated by monitor data registration)
1
2
3
31
32
33
H
H
H
1234
(4660 decimal).
H
0050 (80 decimal).
0064 (100 decimal).
5 WHEN COMMUNICATING USING THE A COMPATIBLE 1C FRAMES
Monitoring result
Monitoring result
4
0
0
5
0
0
0
34
30
30
35
30
30
30
H
H
H
H
H
H
Character area B
(Monitor data)
The order of data items is the same as
when using both the MN and MQ commands.
Monitoring result
6
4
0
7
6
4
36
34
30
37
36
34
H
H
H
H
H
H
H
0
7
6
0 0 0 0 0 1 1 1 0 1 1 0 0 1 0 0
Y
Y
Y
Y
Y
Y
Y
Y
Y
Y
Y
6
6
6
6
6
6
6
6
6
6
6
F
E
D
C
B
A
9
8
7
6
5
E
T
X
03
H
4
Y
Y
Y
Y
Y
6
6
6
6
6
4
3
2
1
0
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