vfd, CHF100A series high performance universal fre

Technical Features 1.Control mode: Sensorless vector control, V/f control, torque control 2.Start-up torque: 0.5Hz/150%(SVC)3.Built-in DC reactor (from 18.5kW to 90 kW) to improve power factor and efficiency.4.Built-in breaking units (from 0.75kW to 15kW). If need to stop rapidly,please connect the brake resistance directly.5.Multi-step speed control: 16 steps can be set; PID control; Simple PLC.6.Offer 8 multi-functional digital inputs (PNP&NPN),2 analog inputs,2 relay output,2 analog output,1 open-collector output.7.AVR: Can output constant voltage automatically when input voltage is fluctuating. QUICK/JOG function.8.Offer RS485 serial communication interface, adopts standard Modbus-RTU communication protocol.9.Oscillation suppression function.10.Over-torque detection function.11.Multiple frequency upper limit setting source.12.Dormancy and wake-up function.13.QUICK/JOG function: Users can look over the parameters which are different from the factory values.14.Speed Tracing Function: Smoothly start the running motor.15.Fault protections:Protect from over current, over voltage, under voltage, over temperature, phase failure, over load etc.Application1.Fans & pumps2.Energy saving renovation of Central Air-conditioning System3.Water flood pump & fuel supply pump4.Energy saving renovation of air compressor5.Circular-water pump, constant water supply6.Musical Fountain