rhsevak

Dear,   for that once you have to store program by using GX wrks3. in tool>>Write to SD card.   & Thea follow your procedure. 

Dear User,  you have to select BAR/QR code scanner which is supported RS-232 communication or serial communication port. then in your PLC have serial port or you have to add serial add on module. then just set serial communication parameters in your PLC  program then assign registers in PLC then take trial.    i used zebra make QR scanner gun.