... Built-in SVC and V/F control, it is widely aplied to high speed contro l accuracy, rapid torque ... or 0~10VTechnical FeaturesControl Method: Non-PG Vecter Control(SVC) ,V/F Control ,Torque ControlOverload Capacity: 60s with 150% ... input, serial communication,multi-step speed, PID .Multi-Step Speed Control Function: 8 Steps speedTraverse Control FunctionInstant Power-off ProectionSpeed Trace Function ...