Hello everyone! This is the first time I have used the MCU XC809D CNC controller. Is there any way to send the G code from the computer to this controller through communication? I read this controller's manual, and I knew this CNC controller had two pins (RS485 A and B) only used to communicate with other expansion I/O boards. Moreover, it has a USB gate and just gets the code on USB when the user presses the physical button. And up to now, I still have no idea how to send the code from the PC to this CNC controller. Please give me some ideas.

I'm a university student and from Vietnam, so sorry for my English.

Thank you!

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