Mitsubishi Electric MELSEC IQ-R series Reference Manual page 482

■Device writing
• Format 5 (sum check enabled), 4C frame
• Access target: QCPU of the connected station (host station)
• Command: Batch write in word units (command: 1401)
• Device: M100 to M131 (for 2 words)
1.
Write values to devices.
Request message
Control code Number of data
bytes
DLE STX 22 bytes
10H 02H 16H

The subtotal of the additional value of binary data = 30FH
Request data
Command Subcommand
1401 0000
01H 14H 00H
The subtotal of the additional value of binary data = 2B6H
*1 Frame ID No. (1 byte) + Access route (7 bytes) + Request data (14 bytes)
*2 The addition result of the sum check range: 30FH + 2B6H = 5C5H
*3 The value of write data corresponds to the access target device as follows.
47
4 7 2
0 1 0 0 0 1 1 1 0 0 1 0 0 0 1 1 1 0 0 1 0 1 1 0 1 0 1 0 1 0 1 1
M107 M100 M115
to to
2.
Receive the result.
Response message (Normal completion: No response data)
Control code Number of data
bytes
DLE STX 12 bytes
10H 02H 0CH

The subtotal of the additional value of binary data = 305H
Response ID code
FFFFH
FFH FFH
The subtotal of the additional value of binary data = 1FEH
*1 Frame ID No. (1 byte) + Access route (7 bytes) + Response ID code (2 bytes) + Normal completion code (2 bytes)
*2 The addition result of the sum check range: 305H + 1FEH = 503H
APPENDICES APPENDIX
480
Appendix 7 Setting Examples
Frame ID Access route
*1
No.
Station
No.
4C frame Host station
00H F8H 00H
Head device
number
100
00H 64H 00H 00H
23 96 AB
H H H H
3 9 6 A
M108 M123 M116 M131
to to
Frame ID Access route
*1
No.
Station
No.
4C frame Host station
00H F8H 00H
Normal completion code
0000H
00H 00H
Network No. PC No.
00H FFH
Device Number Write data
code of
device
points
M 2 M100 to M115
90H 02H 00H 47H
B
0 = OFF
1 = ON
M124
Network No. PC No.
00H FFH
Control code
DLE ETX
10H 03H

Request Request
destination destination
module I/O No. module station
No.
FFH 03H 00H
Control code
*3
M116 to DLE
M131
23H 96H ABH 10H

Request Request
destination destination
module I/O No. module station
No.
FFH 03H 00H
Sum check code
0
30H

Self-
station
No.
00H
Sum check
*2
code
ETX C 5
03H 43H 35H

Self-
station
No.
00H
*2
3
33H