Mitsubishi Electric MELSEC IQ-R series Reference Manual page 484

■Device writing
• ASCII code, 3E 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
Subheader
3E frame (request)
5 0 0 0
35H 30H 30H 30H
Request data
Command
1 4 0 1
31H 34H 30H 31H
Request data
*2
Write data
2 3
32H 33H
*1 Monitoring timer (4 bytes) + Request data (28 bytes)
*2 The value of write data corresponds to the access target device as follows.
2 3
32 33
H H
2 3 4
0 0 1 0 0 0 1 1 0 1 0 0 0 1 1 1 1 0 1 0 1 0 1 1 1 0 0 1 0 1 1 0
M115 to
2.
Receive the result.
Response message (Normal completion: No response data)
Subheader
3E frame (response)
D 0 0 0
44H 30H 30H 30H
*1 End code (4 bytes)
APPENDICES APPENDIX
482
Appendix 7 Setting Examples
Access route
Network PC No. Request destination
No. module I/O No.
Host station
0 0 F F 0
30H 30H 46H 46H 30H
Subcommand Device code
0 0 0 0 M
30H 30H 30H 30H 4DH
4
34H
4 7 A B 9 6
34 37 41 42 39 36
H H H H H H
7 A B 9
M100 M131 to
Access route
Network PC No. Request destination
No. module I/O No.
Host station
0 0 F F 0
30H 30H 46H 46H 30H
Request
destination
module
station No.
3 F F 0
33H 46H 46H 30H
Head device number
* 0 0
2AH 30H 30H
7 A
37H 41H
6
0 OFF
1 ON
M116
Request
destination
module
station No.
3 F F 0
33H 46H 46H 30H
Request data
*1
length
32
0 0 0 2 0
30H 30H 30H 32H 30H
Number of device points
0 1 0 0 0
30H 31H 30H 30H 30H
B 9
42H 39H
Response data
*1
length
4
0 0 0 0 4
30H 30H 30H 30H 34H
Monitoring timer
4 seconds
0 0 1 0
30H 30H 31H 30H
0 0 2
30H 30H 32H
6
36H
End code
0000H
0 0 0 0
30H 30H 30H 30H