ED500V has sensor less vector control mode (svc), vector control with pg (vc) and v/f Control modes it is used in applications where high speed accuracy and high torque is Required speed adjustment range is 1:100 on svc and 1 : 1000 on vc speed accuracy is ±0.5% on svc and ±0.1% on vc it provides multiple torque setting source with pid function, Serial communication, multistep speed setting, traverse control function, length and time Control, speed trace function, quick/jog function, automatic voltage regulator (avr) and Up-to 29 fault protections.