QR lightweight robot QR lightweight robot : QR5-850payload 5KG,movement radius 850mm.Small and lightweight,flexible. EtherCAT,Modbus communication. Details QR lightweight robot : QR10-1300payload 10KG,movement radius 1300mm.Small and lightweight,flexible. EtherCAT,Modbus communication. Details QR lightweight robot : QR20-1650payload 20KG,movement radius 1650mm.Small and lightweight,flexible. EtherCAT,Modbus communication. Details QR lightweight robot : QR30-1700payload 30KG,movement radius 1700mm.Small and lightweight,flexible. EtherCAT,Modbus communication. Details