parameter copy, parameter backup, flexible function code display and recessive
common dc bus
various main and auxiliary settings and switching
reliable speed search
a variety of acceleration and deceleration curve options
timing control, fixed length control function, counting function
three groups of fault records
over-excitation braking function, over-voltage stall, under-voltage stall, power-off restart function
four-stage acceleration and deceleration time free switching function
motor temperature protection function
flexible fan control function
process pid control function, simple plc control function, support up to 16-speed operation
swing frequency control operation
flexible multi-function key setting function, field weakening control function
high-precision torque limit, v/f separation control, torque control without pg
