SinoCon KonNaD C2000-A1-SDD1010-AB3, Руководство пользователя

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0000 Protocol ID 2 Bytes, 0000 = Modbus protocol
0005 Length
Field
2 Bytes, number of following bytes
FF Unit ID 1 Byte, FF = Master device
03 Function
Code
1 Byte, 03 = Read
02 Data
Length
1 Byte, Data Length
0001 Data 2 Byte, 0001 indicates there is a valid positive pulse; 0000 indicates there no a
valid positive pulse
5.2.6. Wirte Single DI Positive Pulse Count (0x06)
You can write any value of 0x0000-0xFFFF to the register.
Write 0x000F to DO1 register, then it counts from 15, the command is as follows:
0x000100000006FF06012E000F
Command Field Description
0001 Transaction ID 2 Bytes, identification of a Modbus Request/Response transaction
0000 Protocol ID 2 Bytes, 0000 = Modbus protocol
0006 Length Field 2 Bytes, number of following bytes
FF Unit ID 1 Byte, FF = Master device
06 Function Code 1 Byte, 06 = Write single register
012E Starting Address 2 Bytes, address of the first register
000F Data 2 Byte, 000F indicates it counts from 15
In the response from the device we get:
0x 000100000006FF06012E000F
Command Field Description
0001 Transaction ID 2 Bytes, identification of a Modbus Request/Response transaction
0000 Protocol ID 2 Bytes, 0000 = Modbus protocol
C2000-A1-SDD1010-AB3 User Manual
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