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Step6: Run the Modbus Poll on your PC, navigate to Setup->Read/Write Definition, set the parameter according to Modbus Slave setting such as Slave ID, Function, Address, Quantity and etc. Step5: Navigate to Connection->connect, then set the connection as Serial Port and select the corresponding COM port, finally choose the RTU mode Step4: Double click the blank on the table and set the value in Modbus Slave Step3: Run the Modbus Slave on your PC, navigate to Setup->Slave Definition to configure the slave definition
WHAT IS MODBUS RTU HOW TO
This article briefly describes how to request Modbus RTU device data from Modbus TCP client on Milesight routers.
![what is modbus rtu what is modbus rtu](https://huphaco.vn/wp-content/uploads/2019/03/ung-dung-modbus-rtu.png)
Milesight UR router has Modbus RTU to Modbus TCP function that can read Modbus data from Modbus RTU device and publish it as Modbus TCP data to the server and vice versa. MODBUS TCP/IP runs on an Ethernet physical layer, and Modbus RTUÂ is a serial level protocol. But the two used most are Modbus RTU (Remote Terminal Unit), serial (RS-232 or RS-485) protocol or Modbus (TCP/IP) Transmission Control Protocol and Internet Protocol. It is used to establish master-slave/client-server communication between devices. Modbus Protocol is a messaging structure developed by Modicon.