Mitsubishi Electric GOT1000 Series Connection Manual page 180

(b) When writing to a bit device
The following shows an example of writing "1"s to virtual devices M0 and M31.
Item
(format 1: GOT-A900 Series microcomputer connection (ASCII))
Request message
(host GOT)
(format 2: GOT-A900 Series microcomputer connection (Binary))
Response message
during normal
communication
(GOT host)
Response message
during faulty
communication
(GOT host)
3 - 24
3. MICROCOMPUTER CONNECTION (ETHERNET)
3.4 Message Formats
0000
M15 to 0
H
M31 to 16 0000
H
Before execution
Command Address
W D 8 3 2 0
57 44 38 33 32 30
H H H H H
(H) (L) (H) – – (L)
Command Address
W D 20
H
0 0
M M
1 1
5 4
After execution
Message format
Number
Data 1 (M15 to 0)
of points
0 2 0 0 0
30 32 30 30 30
H H H H H H
(H) (L) (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
1 1 1 1 1 1 9 8 7 6 5 4
5 4 3 2 1 0
Data 1
Data 2
Number
of points
( M15 to 0 ) ( M31 to 16 )
80 02 00 01 80
H H H H H
0 0 0 0 0 0 0 0 0 0 0 0 0 1 1 0 0 0 0
M M M M M M M M M M M M M M M M M M M
1 1 1 1 9 8 7 6 5 4 3 2 1 0 3 3 2 2 2
3 2 1 0 1 0 9 8 7
ACK
06
H
Error
NAK
code
15 06
H H
The above is a case where
the sum check error (06 )
H
has occurred.
0001
M15 to 0
H
M31 to 16 8000
H
Data 2 (M31 to 16)
1 8 0 0 0
31 38 30 30 30
H H H H H
(L) (H) – – (L)
0 0 0 1 1 0 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
3 2 1 0 3 3 2 2 2 2 2 2 2 2 2 2 1 1
1 0 9 8 7 6 5 4 3 2 1 0 9 8
00
H
0 0 0 0 0 0 0 0 0 0 0
M M M M M M M M M M M
2 2 2 2 2 2 2 1 1 1 1
6 5 4 3 2 1 0 9 8 7 6
0 0
M M
1 1
7 6