Formats 6, 7 (4E Frame) - Mitsubishi Electric GOT2000 Series Connection Manual

Graphic operation terminal microcomputers, modbus/fieldbus products, peripherals
Hide thumbs Also See for GOT2000 Series:
Table of Contents

Advertisement

3.4.6

Formats 6, 7 (4E frame)

Basic format of data communication
This is the same message format as when communication is performed using the MC protocol (4E frame) of the Q/
QnA Series serial communication module.
For details of the basic format of data communication, refer to the following manual:
MELSEC-Q/L MELSEC Communication Protocol Reference 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 (0401) command in word units
Device name : D
Head device : 100
Device points : 2
Communication setting of GOT side : Network No.=1, PLC No.=1
(Format 6 (4E frame (ASCII))
Request type
Serial No.
5
4
0
0
0
0
35
34
30
30
30
30
H
H
H
H
H
(H)
(L)
(H)
(L)
(H)
(L)
*1
Request data length
CPU monitoring timer
0
0
1
8
0
30
30
31
38
30
H
H
H
H
H
(H)
(L)
(H)
(L)
(H)
1)
(format 7:4E frame (Binary))
Request
Fixed
Serial No.
type
value
54
00
00
00
00
00
H
H
H
H
H
H
Details of data items in message format
POINT
POINT
POINT
Data code during communication
Communication of format 6 is performed in ASCII code.
Communication of the format 7 is performed in Binary code.
Fixed value
0
0
0
0
0
30
30
30
30
30
30
H
H
H
H
H
H
(H)
(L)
(H)
(L)
(H)
Command
0
0
0
0
4
0
30
30
30
30
34
30
H
H
H
H
H
(L)
(H)
(L)
(H)
Data length target range
Sub-command
0
0
0
0
30
30
30
30
H
H
H
(H)
(L)
Request
Request
Network
PLC
Request
destination
destination
module
No.
No.
data length
module I/O No.
station No.
01
01
00
00
00
0
H
H
H
H
H
CH
3. MICROCOMPUTER CONNECTION (ETHERNET)
Network
Request destination
PLC No.
No.
module I/O No.
0
0
1
0
1
0
30
31
30
31
30
H
H
H
H
H
H
(H)
(L)
(H)
(L)
(H)
1
1)
31
H
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)
Data length target range
CPU
Sub-
Command
monitoring
command
timer
00
00
00
01
04
00
H
H
H
H
H
H
Data length target range
3.4 Message Formats
Request destination
module station No.
Following
0
0
0
0
0
*1
30
30
30
30
30
H
H
H
H
H
(L)
(H)
(L)
Device points
1
0
0
0
0
0
31
30
30
30
30
30
H
H
H
H
H
H
(L)
(H)
Device
Head Device
Device points
code
00
64
00
00
A8
02
H
H
H
H
H
H
3
2
32
H
(L)
00
H
3 - 51

Advertisement

Table of Contents
loading

Table of Contents