Said in: Now, I am able to create a simple GUI application and run it on my target device Ok, that's a great step.
Contoh Pengendalian Dokumen Iso 9001 on this page. This kind of converter acts like a serial port. Modbus is just a serial protocol using RS485. Currently I use the Qt 4.7 for Windows but in documentation I. How to write data to a given serial port with qt? But I want to open a given serial port.