2 Modbus TCP protocol
24
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2.5
Preset Single Registers(Func06–06H)
Writes the binary data of single Holding Registers (4X reference) in the Slave device.
(1)
Query(Master)
MBAP Header
Function
(Command)
Register Address
Preset Data(Data)
High
Low
High
Low
7Byte
1Byte
1Byte
1Byte
1Byte
1Byte
(2)
Response(Slave)
MBAP Header
Function
(Command)
Register Address
Preset Data(Data)
High
Low
High
Low
7Byte
1Byte
1Byte
1Byte
1Byte
1Byte
The below example is to write “10(A H)” at Holding Register 400001(0000 H) of Slave from the
Master.
Query(Master)
MBAP Header
Function
(Command)
Starting Address
Preset Data(Data)
High
Low
High
Low
00 0c 00 00 00 06 01H 06 H
00 H
00 H
00 H
0A H
Response(Slave)
MBAP Header
Function
(Command)
Starting Address
Preset Data(Data)
High
Low
High
Low
00 0c 00 00 00 07 01H 06 H
00 H
00 H
00 H
0A H
Содержание krn100 series
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