Mitsubishi Electric GOT2000 Series Connection Manual page 151


Message Formats
(1) Batch read in word units (RD) command
(a) When reading a word device
The following shows an example of reading the two points of the virtual devices D100 and D101.
(Assuming D100=0102
Item
(format 1: GOT-A900 Series microcomputer connection (ASCII))
Request message
(host GOT)
(format 2: GOT-A900 Series microcomputer connection (Binary))
(format 1: GOT-A900 Series microcomputer connection (ASCII))
Response message
during normal
communication
(format 2: GOT-A900 Series microcomputer connection (Binary))
(GOT host)
Response message
during faulty
communication
(GOT host)
, D101=0304 are stored.)
H H
D100
D101
Message format
Command Address
R D 0 1
52 44 30 31
H H H H
(H) (L) (H)
Command
R D
Data 1 (D100)
0 1 0 2
30 31 30 32
H H H H
(H) (L)
Data 1
(D100)
01 02
H H
Error
NAK
code
15 06
H H
The above is a case
where the sum check error
(06 ) has occurred.
H
3. MICROCOMPUTER CONNECTION (ETHERNET)
0102
H
0304
H
Number of
points
0 0 0 2
30 30 30 32
H H H H
(L) (H) (L)
Number
Address
of points
00 64 02
H H H
Data 2 (D101)
0 3 0 4
30 33 30 34
H H H H
(H) (L)
Data 2
(D101)
03 04
H H
3.4 Message Formats
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