Mitsubishi Electric MELSEC IQ-R series Reference Manual page 361

Communication example
Write data in bit units in batch under the following conditions.
• Message wait: 0 ms
• Head device: M903
• Number of device points: 5 points
(Request data)
■When using BW (ACPU common command)
Message wait
Number of device points (Number of words)
Head device
B W 0 M 0 9 0
42 57 30 4D 30 39 30
H H H H H H H
■When using JW (AnA/AnUCPU common command)
Message wait
Head device
J W 0 M 0 0 0
4A 57 30 4D 30 30 30
H H H H H H H
Write data for the number of device points
3 0 5 0 1 1
33 30 35 30 30 30
H H H H H H
(M903) (M904) (M905) (M906) (M907)
Number of device points (Number of words)
Write data for the number of device points
9 0 3 0 5 0 1
39 30 33 30 35 30 30
H H H H H H
(M903) (M904) (M905) (M906) (M907)
0 1
31 30
H H
1 0 1
30 31 30
H H H H
17 COMMUNICATING USING 1C FRAMES
17.4 Device Memory Read and Write
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