... AC 330V~440VOutput Voltage 0~220VAC; 0~380V ACFrequency0.1~400.0HzControl MethodVector Control, V/F ControlDisplay4 LED display, indicator display. ... Decelerations Time SettingThe frequency can be set via analog 0~10V, 0~20mA, operation key board, RS485 communication, UP ... RS485 communicationFrequency SettingThe frequency can be set via analog 0~10V, 0~20mA, operation key board, RS485 communication, UP/ ...