The programming port of the FX1S (8-pin round port) is RS422 serial communication.
Use of usb-sc09-fx communication cable and click “RS-232”.
The COM port should choose the COM port that the communication cable actually occupies.
RS232, RS422, RS485 are distinct serial communication formats.
The computer is RS232 (DB9 pin) communication, the general notebook uses USB,
PLC Cable 