Control 6 Stepper Motors: This CNC controller board allows you to control up to 6 stepper motors simultaneously, maximizing efficiency and productivity. Versatile Input Interfaces: The controller board features 16 programmable input interfaces, allowing you to configure functions such as limit switches and emergency stops for enhanced safety and control. Flexible Output Interfaces: With 16 programmable output interfaces, this stepper motor controller can be configured to control various peripherals like water cooling and fog cooling systems, providing optimal performance and convenience. Convenient MPG Interface: The 4-axis controller board is equipped with a standard Manual Pulse Generator (MPG) interface, enabling precise manual control and adjustments. PWM Spindle Control: This stepper CNC controller offers PWM output control for the spindle, ensuring smooth and accurate for your CNC machine.