Main features: 200V-240V ± 10%, single-phase / three-phase AC, 0.12kW-45kW; 380V-480V ± 10%, three-phase, AC, 0.37kW-250kW; vector control, may constitute a closed-loop vector control, Closed-loop torque control; high overload capacity, built-in brake unit; control function linear v / f control, square v / f control, programmable multi-point setting v / f control, flux vector current control-free speed control, closed loop vector control, closed-loop torque control, energy-saving control mode; standard parameter structure, standard debugging software; six digital inputs, two analog inputs, two analog outputs, relay outputs 3; independent I / O terminal block for easy maintenance; using BiCo technology, I / O ports free connection; built-in PID controller parameter self-tuning; integrated RS485 communication interface, optional PROFIBUS-DP / Device-Net communication module; has 15 fixed frequency, 4 Jump frequency, programmable; can achieve master / slave control and torque control; with the "automatic restart" function when the power goes off or failure; flexible ramp function generator, with a smooth characteristic initial segment and the end of the segment; fast Current Limit (FCL), to prevent undue tripping operation; DC and compound braking way to improve braking performance. Overload protection to 200% of rated load current, duration 3 seconds and 150% of rated load current, duration 60 seconds; over-voltage, under-voltage protection; inverter, motor overheat protection; ground fault protection, short circuit protection; locking motor protection against stall protection; parameterized using PIN numbers chain.