... type and V/F control type,has powerful and various functions.like PID control Function,simple PLC,16 steps ... stability,ac driver Function descriptionSpecification indexesControl natureControl modeControl Without PG Vector,V/F Control,Torque controlStart torque0. ... self-adjustment,Slip compensate,PID adjust,Sagged control,Current control,Torque boost,Multifunctions input /output terminal Frequency ...