... 380V 3 phase ,16 steps multi-speed JR6000 series frequency inverter,vector type and V/F control type,has powerful ... Sagged control,Current control,Torque boost,Multifunctions input /output terminal Frequency given wayKeyboard,upper computer,Analog AI1/AI2,Terminal pulse HDI ... step speed and PLC,PID,The combination of multi-modes and the switch between different modes can be realized.Frequency Range0.00 ...