RDC644XG system is a new generation system for control of laser engraving and cutting, which is developed by RD technology, Ltd.High hardware stability, high voltage or static electricity rejection, and friendly 3.5TFT man-machine display.This system is provided with stronger software function including perfect 4-axis motion control function, large-capacity file storage, two-channel adjustable digits laser power control interface, USB driver of stronger compatibility,multi-channel general/special IO control, and, this system can communicate with PC by USB2.0 or Ethernet, and the communication mode is automatically checked by the system.