V350 series AC drive is designed based on new software and hardware platform for better satisfaction of marketing applications as machine tool, winding machine, multipoint drive machine, printing, chemical fiber, textile machine etc., featuring outstanding performance, compact structure, complete protection functions, flexible and rich peripheral interfaces. It is integrated closed-loop vector, open-loop vector, V/F control modes, and module design of software and hardware which can be either applied in varied industries or subject to secondary development according to field conditions.