From the manual DX+ and DX-

There is a download of lg. KGL_WIN software.

KGLWIN V.3.66 LS PLC Programming software

Email

Do it yourself, refer to the user manual.

Buy a usb to rs485 com port, connect to the bottom interface of the A+ and B- channels.

@@piyawongch2450 can i get the way to connect with rj45 cable ?

@@abdullahsrhan8176 View my current uploaded video.

Standard RJ-45 connector and connect the RS-485 communications cable to control the inverter through the PC (Or instruction manual ) pin4=B. pin5=A. (USB to RS-485 comports)

@@piyawongch2450 please can you to me more detials about the communication cable or serial number of it

@@user-fg7wz5ke3b Lazada and Shopee Search Industrial USB to RS485 converter upgrade protection Rs 485 converter (I did it myself)

will be sent by email

Check the cable connected to pc

check computer port

Serial port USB Multi-function Cable (COM?) form pc

Hi sir I checked from device manager is COM4 and inside KGL_WIN i also change to COM4 alo came out PLC Connection Failed

Same issue all ports configured yet plc communication failed alarm

Berhasil boss terimakasih ilmunya

สายลิงค์ถูกต้องนะครับ comport ถูกต้อง ไปที่Option - Connection Option แล้วตั้งค่าให้ถูกต้อง

Check the connection cable Check the comport is correct or not Pc side2-3-5 and plc side plc 3-2-5

Yes 2 3 3 2 5 5 usb to rs232 gmwin what version

I am Thai. Where are you?

gmwin 4.0

I am Thailand คนไทยครับ

หา Serial port ว่าเป็น com port อะไร ส่วนของผมSerial port จะเป็น com port (COM1)