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Mitsubishi Electric GOT1000 Series Connection Manual Page 191

Microcomputers, modbus products, peripherals.
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(b) When reading a bit device
The following shows an example of reading four bytes of the virtual devices M0 to M31.
(Assuming M0="1" and M31="1" are stored.)
Item
(format 3: GOT-F900 Series microcomputer connection (ASCII))
Request message
(format 4: GOT-F900 Series microcomputer connection (Binary))
(host
GOT)
(format 3: GOT-F900 Series microcomputer connection (ASCII))
Response message
during normal
(format 4: GOT-F900 Series microcomputer connection (Binary))
communication
(GOT
host)
Response message
during faulty
communication
(GOT
host)
0001
M15 to 0
M31 to 16
8000
Message format
Com-
Station No.
Address
mand
A
1
5
2
0
0
41
31
35
32
30
30
H
H
H
H
H
(H)
(L)
(H)
Com-
Station
Address
mand
No.
A
0F
20
00
H
H
Data 1
Data 2
Data 3
(M7 to 0)
(M15 to 8)
(M23 to 16)
0
1
0
0
0
30
31
30
30
30
H
H
H
H
H
(H)
(L)
(H)
(L)
(H)
0
0
0
0
0
0
0
1
0
0
0
0
0
0
0
0
0
0
0
0
M
M
M
M
M
M
M
M
M
M
M
M
M
M
M
M
M
M
M
M
7
6
5
4
3
2
1
0
1
1
1
1
1
1
9
8
2
2
2
2
5
4
3
2
1
0
3
2
1
0
Data 1
Data 2
Data 3
(M7 to 0)
(M15 to 8)
(M23 to 16)
(M31 to 24)
01
00
00
H
H
H
0
0
0
0
0
0
0
1
0
0
0
0
0
0
0
0
0
0
0
0
M
M
M
M
M
M
M
M
M
M
M
M
M
M
M
M
M
M
M
M
7
6
5
4
3
2
1
0
1
1
1
1
1
1
9
8
2
2
2
2
5
4
3
2
1
0
3
2
1
0
NAK
15
H
3. MICROCOMPUTER CONNECTION (ETHERNET)
H
H
Number of
bytes
0
0
4
30
30
34
H
H
H
H
(L)
(H)
(L)
Number
of bytes
04
H
H
Data 4
(M31 to 24)
0
8
0
30
38
30
H
H
H
(L)
(H)
(L)
0
0
0
0
1
0
0
0
0
0
0
0
M
M
M
M
M
M
M
M
M
M
M
M
1
1
1
1
3
3
2
2
2
2
2
2
9
8
7
6
1
0
9
8
7
6
5
4
Data 4
80
H
0
0
0
0
1
0
0
0
0
0
0
0
M
M
M
M
M
M
M
M
M
M
M
M
1
1
1
1
3
3
2
2
2
2
2
2
9
8
7
6
1
0
9
8
7
6
5
4
3.4 Message Formats
1
2
3
4
5
6
7
8
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