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(2) Batch write in word units (WD) command
(a) When writing to a word device
The following shows as example of writing "0064
Item
STX
Request message
02
(host
GOT)
H
Response message
during normal
communication
(GOT
host)
(format 1: GOT-A900 Series microcomputer connection (format 1))
Response message
during faulty
(format 2: GOT-A900 Series microcomputer connection (format 2))
communication
(GOT
host)
61 - 24
61. MICROCOMPUTER CONNECTION (SERIAL)
61.5 Message Formats
D100
0000
D101
0000
Before execution
Command
Address
W
D
0
1
0
57
44
30
31
30
30
H
H
H
H
H
(H)
(L)
(H)
(L)
"and "0065
H
H
H
After execution
Message format
Number of
Data 1(D100)
points
0
0
2
0
0
6
30
32
30
30
36
H
H
H
H
H
(H)
(L)
(H)
Sum check is performed in this range.
ACK
06
H
NAK
15
H
Error
NAK
code
15
06
H
H
The above is a case where
the sum check error (06
has occurred.
"to virtual devices D100 and D101.
H
D100
0064
H
D101
0065
H
Data 2 (D101)
4
0
0
6
5
34
30
30
36
35
H
H
H
H
H
H
(L)
(H)
(L)
)
H
Sum
ETX
Check
5
6
03
35
36
H
H
H
(H)
(L)
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