Upload project file from the Twido PLC, you need install Twidosoft and use TSXCSX3030 plc program cable.
1, connect cable to plc , power on ,you need open software Twidosoft ,
2, check the com port ,our is com2.
3，click file ——first choice—-choose port com2.
4,click connect , Wait a moment and it will show success.