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62.4.7 Formats 8, 9 (3E frame)
Basic format of data communication
This is the same message format as when communication is performed using the MC protocol (3E 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
Device name: D, Start device: 100, Number of device points: 2
Communication settings of the GOT side: Network No.=1, PLC No.=1
• Format 8 (3E frame (ASCII)
Network
Subheader
No.
5
0
0
0
0
35
30
30
30
30
H
H
H
H
H
(H)
(L)
(H)
(L)
(H)
*1
CPU monitoring timer
0
0
0
0
30
30
30
30
30
H
H
H
H
(H)
(L)
(H)
(L)
(H)
• Format 9 (3E frame (Binary)
Network
Subheader
No.
50
00
01
H
H
H
62 - 56
62. MICROCOMPUTER CONNECTION (ETHERNET)
62.4 Message Formats
MELSEC-Q/L MELSEC Communication Protocol Reference Manual
Request destination
PLC No.
module I/O No.
1
0
1
0
0
31
30
31
30
30
H
H
H
H
H
(L)
(H)
(L)
(H)
–
Command
Sub-command
0
4
0
1
0
0
30
30
34
30
31
H
H
H
H
H
(H)
–
–
–
(L)
Request
PLC
Request
Request
destination
destination
module
data length
No.
module I/O No.
station No.
01
00
00
00
0
H
H
H
H
CH
Request
Request data length
destination
module station No.
0
0
0
0
0
30
30
30
30
30
H
H
H
H
H
–
(L)
(H)
(L)
(H)
Device
code
0
0
D
*
0
30
30
44
2A
30
H
H
H
H
H
–
(L)
(H)
(L)
(H)
Data length target data
CPU
Command
monitoring timer
command
00
00
00
01
04
00
H
H
H
H
H
Data length target data
Following
0
1
8
*1
30
31
38
H
H
H
(L)
(H)
(L)
Character A section
Start Device
0
0
1
0
0
30
30
31
30
30
H
H
H
H
H
H
–
–
–
–
(L)
Sub-
Device
Start Device
code
00
64
00
00
A8
H
H
H
H
H
H
Device points
0
0
0
2
30
30
30
32
H
H
H
H
(H)
–
–
(L)
Device points
02
00
H
H
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