... .innovative speed sensorless vector ModelApplicable motor(460v 4p) Rated Output Power (KW) HPCurrent(A)Voltage (V)Frequency(HZ ... to locations where have strict requirements on low-frequency output characteristic,corresponding speed of torque,speed control accuracy,etc ... analog quantity input,1-circuit relay output,1-circuit analog quantity output,2-circuit open collector output.It is equipped with RS485 ...