This series has a variety of AC voltage specifications model selection, in addition to providing a wide range of I / O functions, and the external load torque, providing appropriate current and voltage to measure; Delta UTV vector control inverter representatives of the industry's most practical needs. Features: 1 Output frequency 0-400Hz 2. Adjustable V / f curve and vector control 3. Frequency / auxiliary frequency 4.16 segment default speed 1ST/2ND frequency source selection and 15-step program to run 5 Built-in PID feedback control. the automatic torque with slip compensation 7. the radiator temperature detection function 8. built-in MODBUS (RS-485 baud rate up to 38400bps) support on-site communications interface module: DN-02 , LN-01, PD-01 Best: Building air conditioning, wood carving machines, machine tools, wastewater treatment systems, crane XY axis washing machines, ironers, air compressor, freight elevators, escalators, circular loom, horizontal knitting machine, noodle machine, surrounded by woodworking planer, textile machinery, etc.