CNC USB MACH3 Breakout Board 4 axis Interface Driver Motion Controller 100Khz Features: * Support 4-axis linkage, can connect 4 stepper motor drives or servo drives. * The maximum step pulse frequency is 100KHz, suitable for servo or stepper motors. * Support automatic detection tools. * Support emergency input. * Support limit switch. * Support connection of electronic handwheel. * Need to use an external 24V DC power supply to isolate the USB and external ports to make the system more stable. * With 0-10V output port, you can use mach3 software to control the speed of the spindle motor. * 4-way universal input, can be connected to limit switch, emergency stop switch, probe switch, zero return and other devices. * 4 universal isolated relay drive output interfaces, which can drive 4 relays to control the spindle start, forward and reverse rotation, water pump and other devices. * 1 status LED to indicate the connection status on the board. Description: Material: Metal+Plastic Color: Red Control board size: 87 * 81 * 18mm Wire length: 140cm Packing includes: 1 x USB CNC Controller Card 1 x 1.5m USB cable Notes: * Due to manual measurement, please allow 1-3mm error. * Due to the difference of different monitors, the picture may not reflect the actual color of the item. Thanks!