Features Supports Latest MACH3 Software Versions: Enjoy full compatibility with various MACH3 software versions, ensuring you have the most up-to-date features for your CNC projects Enhanced Signal Isolation for Safety: All input signals are optically isolated, allowing safe connections to emergency stops and limit switches to protect your computer and equipment Precise Analog Control for Spindle Speed: Utilize the 0-10V analog voltage output to accurately control spindle speed, enhancing the precision of your machining tasks PWM Output for Versatile Spindle Management: The 5V PWM output allows seamless integration with spindle governors, providing efficient control for optimal performance Multiple Output Ports for Expanded Functionality: Four 5V output ports enable connection with relay modules, facilitating control over additional features like water cooling and spray systems Features: 1、Support various versions of MACH3 software and support the latest version. 2、All input signals are isolated by optical diaphragm, which can be connected to emergency stop, tool setting, limit position, 0 return, etc. to ensure computer security. The input can be connected to a mechanical switch or a proximity switch (to be normal 3、One-way optocoupler-isolated 0-10V analog voltage output can control the inverter input from 0-10V analog voltage to control the spindle speed. 4、PWM output (5V level) is provided, which can be connected to the spindle governor controlled by PWM. 5、Provide 4 output port (5V level), which can be connected with photocoupler relay module to control water cooling, spray and so on. Specification: Features: Support various versions of MACH3 software and support the latest version. Wide external voltage input, 12-24V, and anti-reverse function. All input signals are isolated by optocoupler-isolation, which can be connected to emergency stop, tool setting, limit position,0 return, etc. to ensure computer security. The input can be connected to a mechanical switch or a proximity switch (to be normally opened with NPN). One-way optocoupler-isolated 0-10V analog voltage output can control the inverter input from 0-10V analog voltage to control the spindle speed. PWM output (5V level) is provided, which can be connected to the spindle governor controlled by PWM. Provide 4 output port (5V level), which can be connected with photocoupler relay module to control water cooling, spray and so on. Maximum 100KHZ output per axle, can be connected to common anode or common cathode, input level is 5V, stepper with optocoupler input or servo motor driver (pulse + direction). Provide 5-axle interface cable socket (XH2.54) for easy connection. Provide an electronic handwheel interface,the board prints all port names, at a glance. Handwheel o Package List