This fits your . Make sure this fits by entering your model number. Support various versions of software and support the latest version. 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 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.