(3) Random read in word units (RR) command
The following shows an example of reading the two points of the virtual devices D100 and M0 to M15.
(Assuming D100=0064
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)
, M0=1are stored.)
H
Command
Address 1
R
R
0
1
52
52
30
31
H
H
H
H
(H)
(L)
(H)
–
Command
R
R
Data 1 (D100)
0
0
6
30
30
36
H
H
H
(H)
–
–
Data 1
(D100)
00
64
H
H
0
M
1
5
NAK
15
H
The above is a case where
the sum check error (06
has occurred.
3. MICROCOMPUTER CONNECTION (ETHERNET)
D100
0064
H
M15 to 0
0001
H
Message format
Address 2
0
0
8
3
2
0
30
30
38
33
32
30
H
H
H
H
H
–
(L)
(H)
–
–
(L)
Address 1
Address 2
00
64
20
80
H
H
H
H
Data 2 (M15 to 0)
4
0
0
0
1
34
30
30
30
31
H
H
H
H
H
(L)
(H)
–
–
(L)
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
1
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
5
4
3
2
1
0
Data 2
(M15 to 0)
00
01
H
H
0
0
0
0
0
0
0
0
0
0
0
0
0
0
1
M
M
M
M
M
M
M
M
M
M
M
M
M
M
M
1
1
1
1
1
9
8
7
6
5
4
3
2
1
0
4
3
2
1
0
Error
code
06
H
)
H
3.4 Message Formats
H
3 - 25
3