VDF650 series is one of powerful hi-performance current vector type inverter, able to realize the control of asynchronous motor and Permanent magnet synchronous motor (PMSM), PG control is applied on basis of VDF650A series technology, support several PG cards, able to shift between several motors, which can be used in the driving system of automatic production equipment of textile, papermaking, wire drawing, machine tool, packing, food and etc.