... phase ,16 steps multi-speed JR6000 series frequency inverter,vector type and V/F control type ... control,Torque boost,Multifunctions input /output terminal Frequency given wayKeyboard,upper computer,Analog AI1/AI2,Terminal ... the switch between different modes can be realized.Frequency Range0.00-400.00HzAcc and Dec time0. ... waitting time,realize quickly braking AC drive ,AC driver motor frequency inverter