Passenger lift

Various cars and landings of Crazychao passenger lift have equipped with computer control system(CPU) It connects through the serial transmission line,It greatly lowers down the connection lines and interfaces between barious components.All the computers have been allocated with the diagnosis progam and back-up system.Every computer also sets the software with reasoning caoabilities.It extends the man-lift interface.

　　Variable voltage and variable frequency(VVVF) inverter control applied by Crazychao passenger lift extends the utilization from the elevator drive system to the door machine system.Plus its matching none link lever synchronous belt type door machine structrure,it results in the more smooth,sensitive and secure door open and shut.The passengers feel the doubled warmth in entering into and exiting te elevators.

　　The application of this technology reduces the connection lines and the interface.It fundamentally gets rid of the frequent accidents to the door machine system.It brings about the more comvenient lift maintenance