Mitsubishi Electric MELSEC IQ-R series Reference Manual page 363

Communication example (Writing to word bit memory)
Write data to bit devices in 16-point units under the following conditions.
• Message wait: 0 ms
• Head device: M640
• Number of device points: 32 points (2 words)
(Request data)
■When using WW (ACPU common command)
Message wait
Number of device points (Number of words)
Head device
W W 0 M 0 6 4
57 57 30 4D 30 36 34
H H H H H H H
0 0 1 0 0 0 1
(M655) to (M640)
■When using QW (AnA/AnUCPU common command)
Message wait
Head device
Q W 0 M 0 0 0
51 57 30 4D 30 30 30 36
H H H H H H
H
0 0 1 0 0
Communication example (Writing to word device memory)
Write data to word devices in 1-point units under the following conditions.
• Message wait: 0 ms
• Head device: D0
• Number of device points: 2 points (2 words)
(Request data)
■When using WW (ACPU common command)
Message wait Number of device points (Number of words)
Head device
W W 0 D 0 0 0
57 57 30 44 30 30 30
H H H H H H H
■When using QW (AnA/AnUCPU common command)
Message wait
Head device
Q W 0 D 0 0 0
51 57 30 44 30 30 30
H H H H H H H
Write data for the number of device points
0 0 2 2 3 4 7
30 30 32 32 33 34 37
H H H H H H H
1 0 1 0 0 0 1 1
Number of device points (Number of words)
Write data for the number of device points
6 4 0 0 2
2 3 4
34 30 30 32 32 33 34
H H H H H H H H
0 1 1 0 1 0 0 0
(M655) to (M640)
Write data for the number of device points
0 0 2 1 2 3 4 A
30 30 32 31 32 33 34 41
H H H H H H H
(D0)
Number of device points (Number of words)
Write data for the number of device points
0 0 0 0 2 1 2
30 30 30 30 32 31 32 33
H H
H H H H H
(D0)
A B 9 6
41 42 39 36
H H H H
(M671) to (M656)
1
7 A B 9 6
37 41 42 39 36
H H H H H
(M671) to (M656)
1 1 1
C D 7
43 44 37
H H H H
(D1)
3 4 A C D 7
34 41 43 44 37
H H
H H H H
(D1)
17 COMMUNICATING USING 1C FRAMES
17.4 Device Memory Read and Write
17
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