With the continuous development of

With the continuous development of urban construction today, the rapid rise of urban high-rise buildings, the proportion of high-rise buildings in urban buildings has been increasing, elevator as a high-rise building in the rapid operation of the vertical means of transport in people's daily life has become inseparable. Elevator is mainly in high-rise buildings, used to take people or transport goods vertical lift, and motor-driven, with a car inside. The car is installed in a building of two or more storeys. The shape and size of the car should be suitable for carrying passengers and goods. The elevator has the advantages of fast conveying speed, safety and reliability, and simple operation. But the traditional elevator control system is mainly controlled by relay-contactor, and it is controlled by relay logic. Because of many contacts, high failure rate, poor reliability and large volume, it is gradually being eliminated, the PLC control system can solve the above problems and make the elevator run more safe, convenient and comfortable. Elevator, as one of the main means of transportation in high-rise buildings, provides people with safe, fast and comfortable vertical transportation service, which guarantees people's efficient modern life. The elevator performance is good or bad to people's life influence is more and more remarkable. Therefore, efforts must be made to improve elevator performance, so that the elevator safe and reliable and efficient energy-saving operation.