Mitsubishi Electric GOT2000 Series Connection Manual page 189

■3. Message format
(1) Batch read (0) command (w/out station No.), batch read (A) command (w/station No.)
(a) When reading a word device
The following shows an example of reading four bytes of virtual devices R100 to R101 from the GOT at station
No.15.
(Assuming R100=3D21H, R101=3604H are stored.)
Item
Request
message
(host GOT)
Response
message during
normal
communication
(GOT host)
Response
message during
faulty
communication
(GOT host)
(format 3: GOT-F900 Series microcomputer connection (ASCII))
Com-
mand
A
41
H
(format 4: GOT-F900 Series microcomputer connection (Binary))
(format 3: GOT-F900 Series microcomputer connection (ASCII))
(R100 upper)
(format 4: GOT-F900 Series microcomputer connection (Binary))
R100 3D21
H
R101 3604
H
Message format
Station No. Address
1 5 0 0 C 8
31 35 30 30 43 38
H H H H H
(H) (L) (H) – – (L)
Com- Station Number
Address
mand
No. of bytes
A 0F 00 C8 04
H H H
Data 1 Data 2 Data 3
(R100 lower) (R101 upper)
3 D 2 1 3 6
33 44 32 31 33 36
H H H H H H
(H) (L) (H) (L) (H) (L)
Data 1 Data 2 Data 3 Data 4
(R100 upper) (R100 lower) (R101 upper) (R101 lower)
3D 21 36 04
H H H H
NAK
15
H
3.4 Message Formats
Number
of bytes
0 4
30 34
H H H
(H) (L)
H
Data 4
(R101 lower)
0 4
30 34
H H
(H) (L)
3
3 - 35