... V/F control type,has powerful and various functions.like PID control Function,simple PLC,16 steps speed can be set ... ,Torque limitation,Multi-step speed,automatic self-adjustment,Slip compensate,PID adjust,Sagged control,Current control,Torque boost,Multifunctions input /output ... AI1/AI2,Terminal pulse HDI,Multi-step speed and PLC,PID,The combination of multi-modes and the switch between different ...