Mitsubishi Electric MR-J5-G User Manual page 85

■Write Object (Object read)
This command writes the specified value to the object corresponding to Index and Sub Index specified by the master station
(external device).
• Request message (after the command)
Command Sub command
L H L
20h 40h 02h
• Response message (at normal termination (after the end code))
End code
L H
00h 00h
• Response message (at abnormal termination)
It is the same as "At abnormal termination" in the reference below.
Page 81 Response message format
• Item list
Item
Command
Sub command
Index
Sub Index
Reserved
Number of data value
Write data
Index Sub Index
H L H 
00h Refer to "Item list" below for details.
Index
L H
Refer to "Item list" below for details.
Size Endian
2 bytes Little
2 bytes Little
2 bytes Little
1 byte Little

1 byte
2 bytes Little
Variable Little
Reserved Number of data value
 L H
Sub Index Reserved
 
Description
4020h
0002h
Specify Index of the object. ( MR-J5-G/MR-J5W-G User's Manual
(Object Dictionary))
The response message stores the value specified in the request message.
Specify Sub Index of the object. ( MR-J5-G/MR-J5W-G User's Manual
(Object Dictionary))
The response message stores the value specified in the request message.
00h (fixed)
Write data: Specify the size in hexadecimal. (Unit: byte)
Specify the write data of the object.
2 CC-Link IE Field Network Basic
Write data
L variable H
Number of data value
L H
2.4 APPENDIX
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