17 COMMUNICATING USING 1C FRAMES
17.4 Device Memory Read and Write
361
17
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)
■When using QW (AnA/AnUCPU common command)
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)
■When using QW (AnA/AnUCPU common command)
WW
57
H
57
H
4D
H
4
36
H
34
H
30
H
02
30
H
32
H
00
30
H
30
H
0M 6
32
H
33
H
34
H
37
H
2347
0 010001101000111
41
H
42
H
39
H
36
H
AB96
Message wait
Number of device points (Number of words)
Write data for the number of device points
Head device
(M671)to(M656)
(M655)to(M640)
QW
51
H
57
H
4D
H
4
36
H
34
H
30
H
02
30
H
32
H
00
30
H
30
H
0M 60
30
H
0
30
H
32
H
33
H
34
H
37
H
2347
0010001101000111
41
H
42
H
39
H
36
H
AB96
Message wait Number of device points (Number of words)
Write data for the number of device pointsHead device
(M671)to(M656)
(M655)to(M640)
WW
57
H
57
H
44
H
0
30
H
30
H
30
H
01234ACD72
30
H
32
H
00
30
H
30
H
0D 0
32
H
33
H
34
H
31
H
43
H
44
H
37
H
41
H
(D0) (D1)
Message wait Number of device points (Number of words)
Head device Write data for the number of device points
QW
51
H
57
H
44
H
0
30
H
30
H
30
H
02
30
H
32
H
00
30
H
30
H
0D 0
32
H
33
H
34
H
31
H
43
H
44
H
37
H
41
H
0
30
H
30
H
0 1234ACD7
(D0) (D1)
Message wait Number of device points (Number of words)
Write data for the number of device points
Head device
To Next Page
Loading...
