... Technology Features Input & output vInput voltage range: 380V±15% vInput frequency range: 47~63Hz vOutput voltage range: 0~rated input voltage ... by I/O extension card. Main control function Control mode: Sensorless vector control (SVC), Vector control with PG (VC), V/F control.Overload capacity: 60s with 150 ... , over voltage, under voltage, phase failure, over load, speeding etc. Inverter of the PMSM