Tutorial: Modbus RTU Master Multi Slave - C# & VB.net

 This video tutorial shows you the easy way to create a Modbus RTU/Serial Master application (using C# and VB.net on Visual Studio 2022) and read some Holding Registers from multiple Modbus RTU Slaves. 

The Modbus RTU/Serial Slave devices are simulated by ModbusHD application, you can get the app from this link:

https://hadiscada.blogspot.com/2021/05/modbushd-update-version-210.html

 

and the COM ports are emulated by Virtual Serial Port Emulator (VSPE), you can download from here:

http://www.eterlogic.com/Products.VSPE.html

Thanks, and have a nice day!