Features:The frequency converter interface (AVI+, AVI-) is isolated from the computer and the main control circuit, Strong anti-interference abilitySupport for Win XP, for WIN7, for WIN8, for WIN10, support for 64-bit systems, support for laptops, support for tablets.The external wide voltage input, 12-24V, and anti-reverse function.Can be accessed by emergency stop, the knife, limit, back to zero, etc., to ensure computer security.All the way through the optocoupler isolated 0-10V analog voltage output, you can control the input voltage from 0-10V analog voltage converter to control the spindle speedTo provide PWM output (5V level), can be controlled by the PWM spindle control.Provide 4 output port (5V level), can be connected with the relay module optocoupler, water control, spray and so on.Can be accessed by a total of yang or common cathode, the input level of 5V, with optocoupler input stepper motor driver. To provide electronic hand wheel interface.Specifications:Type:USB Interface BoardSize: 9.8 x 6cm / 3.96 x 2.36inWeight: 145gPackage included:1 x interface board1 x USB cableNote:Please ask customer service for the software and drivers required for the product.