ZVF9V-M Series Mini Type Inverter ZVF9V-M Series Mini Type Inverter Input Voltage(V)Output Voltage ... . 4.Frequency setting Mode: Digit keypad setting, Analog setting ( current , voltage signal ). Remote communication setting , Multi-step speed setting ... setting, analog voltage signal or external potentiometerSetting, analog current signal setting, analog assembly setting,485 COMSetting and etcInput ...