【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 【Features】Support for 4-axis linkage, you can stepper motor drives or servo drives. 4 general-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, Servo Motor, Stepper Motor Servo 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 general-purpose isolated relay drive output interface can drive four relays for controlling the spindle starts, forward rotating and reverse rotating, pumps and other device