All input signals are separated by light,and emergency stop,knife setting,limit,and zero return can be connected to computer security.The input can be connected to a mechanical switch or a proximity switch (normally open with NPN). External wide voltage input,12-24V,and anti-reverse function. Support XP,WIN7,WIN8,WIN10,support for 64-bit systems,support laptops,support for tablet computers. Support various versions of software and support the latest version. All the way through the optocoupler isolated 0-10V analog voltage output,you can control the 0-10V analog voltage input inverter,control the spindle speed., Weight: 0.21825763938 Pounds, Manufacturer: Disttocate