[Functions]The function of this motion control card includes that it supports automatic probe tool, emergency input, limit switch, and supports for connecting electronic hand wheel[4-axis Linkage]Usb interface board supports for 4-axis linkage, you can connect four stepper motor drives or drives. 4 universal-purpose inputs, you can connect the limit switch, estop switch, probe switch, back to zero and other device[Wide Use]The maximum step-pulse frequency of motion control card is100KHz, which is very suitable for CNC Engraving, Motor, Stepper Motor motor[Advantage]The motion controller needs using external 24V DC power to isolate USB and external port, and to make the system more stable. And it has 0-10V output port, you can use software to control the spindle motor speed[Drive Output Interface]The 4 universal-purpose isolated relay drive output interface can drive four relays for controlling the spindle starts, forward rotating and reverse rotating, pumps and other devicecolour: as shownMaterial: PC+metalPackage Contents:1 x Controller Card KitOnly the above package content, other products are not included.Note: Light and different displays may cause the color of the item in the picture a little different from the real thing. The measurement allowed error is +/- 1-3cm.