20HP, 3PH, 230 VAC Drive

* 16-bit microprocessor controlled PWM output
* Automatic torque boost & slip compensation
* Output Frequency from 0.1~400Hz
* 16-step speed control & 15-step preset speed
* PID feedback control & PG feedback control
* 4 accel./decel. Times & 2 S-curve selections
* Pump control & automatic energy-saving
* Process follower -10~10Vdc, 0~10VDC, 4~20mA
* MODBUS communication RS-485 (Baud rate 38400)
* Coast or ramp to stop
* Adjustable V/F curve & automatic voltage regulation
* Automatic adjustment of accel./decel. Times
* Auto tuning & sensorless vector control