Mitsubishi GOT1000 Series Connection Manual page 766

(4) Random write in word units (RW) command
The following shows an example of writing "0064
respectively.
Item
STX
02
Request message
(host GOT)
Response
message during
normal
communication
(GOT host)
(format 1: GOT-A900 series microcomputer connection (format 1))
Response
message during
(format 2: GOT-A900 series microcomputer connection (format 2))
faulty
communication
(GOT host)
19 - 36
19.5 Message Formats
19.5.3 Formats 1, 2 (GOT-A900 series microcomputer connection)
D100 0000
M15 to 0 0000
Before execution
Command ETX
Following*1
R W
52 57 03
H H H H
(H) (L)
Sum check is performed in this range.
*1
Address 1
0 1 0 0
30 31 30 30
H H H H
(H) – – (L)
" and "1" to virtual devices D100 and M0,
H
H
H
After execution
Message format
Sum
Check
C 5
43 35
H H
(H) (L)
Data 1 (D100) Address 2
0 0 6 4 8 3
30 30 36 34 38 33
H H H H H
(H) – – (L) (H) –
ACK
06
H
NAK
15
H
Error
NAK
code
15 06
H H
The above is a case where
the sum check error (06 )
H
has occurred.
D100 0064
H
M15 to 0 0001
H
Data 2 (M15 to 0)
2 0 0 0 0
32 30 30 30 30
H H H H H H
– (L) (H) – –
0 0 0 0 0 0 0 0 0 0
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
1
31
H
(L)
0 0 0 0 0 1
M M M M M M
5 4 3 2 1 0