ac speed drive CE ISO power:0.4kw-400kw input ... vector PWM modulation technology, has over-modulation function, high voltage-utilization, low output harmonic, and it ... clients. 7.Customization function design :program running, wobble frequency running, PID control operation , timing function ,counter function ... of AC asynchronous motor. ac speed drive with vector control output frequency 0.00hz--600hz