Abstract
With the development of modern cities, an increasing number of high-rise building,
elevator become an indispensable means of transport of daily life. The quality of the life
performance of the impact on people’s lives becoming more and more obvious ,it must strive
to improve the performance of elevator systems, and ensure the operation of the life is safe ,
realiable and energy efficient. The use of PLC signals on the elevator control system, the
development of a complete elevator control software, to improve the level of the elevator
control and improve the operation of the elevator comfort, ao that the life to reach a more
satisfactory control effect.The system has advanced reliable and economic characertics. The
elevator control system has the drivers to run the operation and no drives or manual and
automatic functions ,and has means layer called the office of the election story , election to
the functions. With a set of features to control the election.
Keyword:Elevator, PLC, Ladder Diagram
