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(b) When reading a bit device
The following shows an example of reading the two points of the virtual devices M0 to M31.
(Assuming M0="1" and M31="1" are stored.
Item
(format 1: GOT-A900 Series microcomputer connection (ASCII))
Request message
(host
GOT)
(format 2: GOT-A900 Series microcomputer connection (Binary))
(format 1: GOT-A900 Series microcomputer connection (ASCII))
Response message
during normal
communication
(format 2: GOT-A900 Series microcomputer connection (Binary))
(GOT
host)
Response message
during faulty
communication
(GOT
host)
M15 to 0
0001
H
M31 to 16
8000
H
Message Formats
Command
Address
R
D
8
3
2
52
44
38
33
32
H
H
H
H
H
(H)
(L)
(H)
Number
Command
Address
of points
R
D
83
20
02
H
H
H
Data 1 (M15 to 0)
Data 2 (M31 to 16)
0
0
0
1
8
30
30
30
31
38
H
H
H
H
H
(H)
(L)
(H)
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
1
1
0
0
0
M
M
M
M
M
M
M
M
M
M
M
M
M
M
M
M
M
M
M
M
1
1
1
1
1
1
9
8
7
6
5
4
3
2
1
0
3
3
2
2
5
4
3
2
1
0
1
0
9
8
Data 1
Data 2
( M15 to 0 )
( M31 to 16 )
00
01
80
H
H
H
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
1
1
0
0
0
M
M
M
M
M
M
M
M
M
M
M
M
M
M
M
M
M
M
M
M
1
1
1
1
1
1
9
8
7
6
5
4
3
2
1
0
3
3
2
2
5
4
3
2
1
0
1
0
9
8
Error
NAK
code
15
06
H
H
The above is a case where
the sum check error (06
has occurred.
62. MICROCOMPUTER CONNECTION (ETHERNET)
Number of
points
0
0
2
30
30
32
H
H
H
(L)
(H)
(L)
0
0
0
30
30
30
H
H
H
(L)
0
0
0
0
0
0
0
0
0
0
0
0
M
M
M
M
M
M
M
M
M
M
M
M
2
2
2
2
2
2
2
2
1
1
1
1
7
6
5
4
3
2
1
0
9
8
7
6
00
H
0
0
0
0
0
0
0
0
0
0
0
0
M
M
M
M
M
M
M
M
M
M
M
M
2
2
2
2
2
2
2
2
1
1
1
1
7
6
5
4
3
2
1
0
9
8
7
6
)
H
62.4 Message Formats
56
57
58
59
60
61
62
63
62 - 19
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