Novusun CNC has engaged in the Numerical control industry for 7 years, specialized in the research, development and production of various CNC controller systems with high quality and high reliability. We produce the Brushless DC motor, Stepper motor driver, and also 1 to 6 axis CNC motion controllers.。USB8727T4 is the 4 axis motion controller we spend 1 years to design.USB8727T4 support Mach3 software, through USB port to communicate with computer.This manual introduces operation, connection and usage schedule of our professional motion controller for engraving machine. Through a lot of the drawing the users can learn quickly how to use this motion controller. specificationSupport USB;5 ports photoelectric isolated input interface；1 ports photoelectric isolated output interface；1 port 0-10V spindle speed analog output interface(can change to PWM output)；2 relay output.can support 4 axis stepper systems,200KHz pulse output for every axis；ARM motion control chip；main device is 12V-32VDC power supply input,current should higher than 10AAppearance and sizeUSB8727T4 motion controller is with the sealed open structure, there are 2pcs setting holes at the bottom. We can fix 2pcs 4mm diameter holes at the cabinet, and install the controller into the cabinet.The controller appearance as the Figure 1-1 and Figure 1-2 show:The products overall size is 150mm*105mm*25mm； The bottom install size is 142.6mm*96mm. Note:Your valid phone number is very necessary for the shipping,pleaseprovide it when you order. 1 X 4 Axis Stepper Motor Driver Card1 X USB Cable