Formats 7 To 10 (Qna Compatible 3C/4C Frame) - Mitsubishi Electric GOT1000 Series Connection Manual
Microcomputers, modbus products, peripherals
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- Connection manual (436 pages) ,
- Handbook (294 pages) ,
- Manual (238 pages)
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2.5.5
Formats 7 to 10 (QnA compatible 3C/4C frame)
Basic format of data communication
This is the same message format as when communication is performed using the MC protocol (QnA compatible 3C/
4C frame) of the Q/QnA Series serial communication module.
For details of the basic format of data communication, refer to the following manual:
This section describes items whose settings differ from the MC protocol of the Q/QnA Series serial communication
module, and the dedicated commands for a GOT microcomputer connection.
Example: Request message for the batch read in word units (0401) command in format 8 (QnA compatible 4C frame
(format 2))
Frame ID
Block No.
ENQ
No.
0
0
F
05
30
30
46
38
H
H
H
H
(H)
(L)
(H)
(L)
*1
Command
0
4
30
34
30
H
H
(H)
–
POINT
POINT
POINT
QnA compatible 4C frame (format 5)
GOT cannot use the QnA compatible 4C frame (format 5).
2 - 46
2. MICROCOMPUTER CONNECTION (SERIAL)
2.5 Message Formats
MELSEC-Q/L MELSEC Communication Protocol Reference Manual
Network
Station No.
PLC No.
No.
8
0
0
0
0
0
30
30
30
30
30
H
H
H
H
H
(H)
(L)
(H)
(L)
(H)
Sum check is performed in this range.
Sub-command
0
1
0
0
0
0
31
30
30
30
30
H
H
H
H
H
–
(L)
(H)
–
–
(L)
Request destination
module I/O No.
0
0
0
0
0
30
30
30
30
30
H
H
H
H
H
H
(L)
(H)
–
–
(L)
Character A section
Device
Head Device
code
D
*
0
0
0
44
2A
30
30
30
H
H
H
H
H
H
(H)
(L)
(H)
–
–
Host Address
Request destination
module station No.
No.
Following
0
0
0
0
*1
30
30
30
30
H
H
H
H
(H)
(L)
(H)
(L)
Device points
1
0
0
0
0
31
30
30
30
30
H
H
H
H
H
–
–
(L)
(H)
–
Sum check
B
A
42
41
H
H
(H)
(L)
0
2
30
32
H
H
–
(L)
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