Mitsubishi Electric GOT2000 Series Connection Manual page 144

(b) When writing to a bit device
The following shows an example of writing "1"s to virtual devices M0 and M31 on the GOT at station No.15.
Item
Request
message
(host GOT)
Response
message during
normal
communication
(GOT host)
Response
message during
faulty
communication
(GOT host)
2 - 74
2.5 Message Formats
0000
M15 to 0
0000
M31 to 16
Before execution
(format 14: GOT-F900 Series microcomputer connection (format 1))
Com-
STX
mand
B
02 42
H H
(format 15: GOT-F900 Series microcomputer connection (format 2))
Com-
STX Station No.
mand
B 1
02 42 31
H H H
(H)
*1
Data 1
(M7 to 0)
0
30
H
(H)
0 0 0 0 0 0
M M M M M M
7 6 5 4 3 2
H
H
Message format
Station No. Address
1 5 2 0 0
31 35 32 30 30
H H H H H
(H) (L) (H) – –
Address
5 2 0 0 0
35 32 30 30 30
H H H H H
(L) (H) – – (L)
Sum check is performed in this range.
Data 2 Data 3
(M15 to 8) (M23 to 16) (M31 to 24)
1 0 0 0 0
31 30 30 30 30
H H H H H
(L) (H) (L) (H) (L)
0 1 0 0 0 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
1 0 1 1 1 1 1 1 9 8 2 2 2 2 1 1 1 1
5 4 3 2 1 0 3 2 1 0 9 8 7 6
ACK
06
H
NAK
15
H
0001
M15 to 0
H
8000
M31 to 16
H
After execution
Number of
bytes
*1
0 0 4 Following
30 30 34
H H H
(L) (H) (L)
Byte
ETX
Number
Following*1
0 4
30 34 03
H H H
(H) (L)
Data 4
8 0
38 30
H H
(H) (L)
1 0 0 0 0 0 0 0
M M M M M M M M
3 3 2 2 2 2 2 2
1 0 9 8 7 6 5 4
CR
0D
H
Sum
Check
5 A
35 41
H H
(H) (L)