Mitsubishi Electric GOT2000 Series Connection Manual page 180

(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=0064H, M0=1are stored.)
Item
Request message
(host GOT)
Response
message during
normal
communication
(GOT host)
Response
message during
faulty
communication
(GOT host)
3 - 26
3.4 Message Formats
(format 1: GOT-A900 Series microcomputer connection (ASCII))
(format 2: GOT-A900 Series microcomputer connection (Binary))
(format 1: GOT-A900 Series microcomputer connection (ASCII))
(format 2: GOT-A900 Series microcomputer connection (Binary))
D100
M15 to 0
Message format
Command Address 1
R R 0 1 0
52 52 30 31 30
H H H H H
(H) (L) (H) – – (L)
Command Address 1
R R 00
H
Data 1 (D100)
0 0 6 4 0
30 30 36 34 30
H H H H
(H) – – (L) (H)
0 0
M M
1 1
5 4
Data 1 Data 2
(D100) (M15 to 0)
00 64 00 01
H H H
0 0 0 0 0 0
M M M M M M
1 1 1 1 1 1
5 4 3 2 1 0
Error
NAK
code
15 06
H H
The above is a case where
the sum check error (06
has occurred.
0064
H
0001
H
Address 2
0 8 3 2 0
30 38 33 32 30
H H H H H
(H) – – (L)
Address 2
64 20 80
H H H
Data 2 (M15 to 0)
0 0 1
30 30 31
H H H H
– – (L)
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
1 1 1 1 9 8 7 6 5 4 3 2 1 0
3 2 1 0
H
0 0 0 0 0 0 0 0 0 1
M M M M M M M M M M
9 8 7 6 5 4 3 2 1 0
)
H