Serial communication between the control, car and landings which greatly reduced cabling and connections. Error code displaying in numbers automatically, also reserved term
Automatic speed adjustment
VVVF door operator can adjust the door torque, speed and timing, which enhanced the overall performance and reduced the failure rate significantly.
Lower noise higher efficiency
According to the speed and load, adjust the voltage and frequency constantly which can reduce energy 35% compared to old drive system.
Safe and reliable
Door protection has light curtain, safety edge and the combination of both, which ensure the passenger safety crossing the door.
The optimized speed curve is generated by computer, using the control software to adjust AC motor in accurate starting, parking and levelling.