... steps multi-speed JR6000 series frequency inverter,vector type and V/F control type,has powerful and various functions.like ... Max speed(SVC)Product functionsImportant functionRPM track,Torque limitation,Multi-step speed,automatic self-adjustment,Slip compensate,PID ... DC braking time0.0-50.0sNoneed for DC braking start waitting time,realize quickly braking AC drive ,AC driver motor frequency inverter ...