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1、 This paper levelt PLC application in elevator trend and developmentPLC application in the development trend of the elevatorProgrammable Logic Controller (PLC) is a common control device which use computer technology as a core, PLC gets a wide range of applications in all walks of life. In the eleva
2、tor industry, PLCs role has been fully expressed. This paper introduces the PLC-controlled model of a five-story elevator，include its composition, main function, the I/O interface distribution of the PLC, the PLCs programming methods and procedures design of the elevator system. With procedures desi
3、gn of the elevator control system can achieve the elevator doors opening and closing control, and the elevaters indication under the call, moving from top to bottom, starting-up, delay closed, Ping layer, opening the door, making signals in the queue, close to the escalator and alarming control unde
4、r the mode of the elevators operation mode. Through the process of compiling software, hardware connection and the conjunction of elevator model and the PLC control system, which makes the elevator control system model intuitive reflected in the course of operation and realized the elevaters functio
5、nal control. The 21st century will develop multipurpose, full-featured tower building, ultra-high speed elevator continue to become the research direction. Traction type super-fast elevator research continues to super capacity motor, high performance by the microprocessor, damping technology, new ro
6、ller guide boots and security clamp, permanent magnet synchronous motor, elevator car air pressure relief and noise suppression systems propulsion. Using the linear motor drive there is also a greater research space elevator. Future super-fast elevator intimacy will have increased significantly. Ele
7、vator iWith economic development, the increasing number of high-rise buildings, elevators have become indispensable in daily life the vertical transport. Better meet user requirements, development of high security, high reliability, high efficiency, low energy consumption, ride comfort of the elevat
8、or, the elevator is the domestic and foreign enterprises and research institutions the main objective.Elevator control system which was developed to achieve these objectives, the most important ways. The rapid development of industrial automation technology for the elevator control system technology
9、 update provides the material base. Continue to be the most advanced areas of industrial control technology and products introduced to the elevator control, elevator industry, technology development is the most important and effective means.This article programmable computer controller - PCC, the co
10、mputer technology, communication technology, automatic control technology for the integration of new areas of industrial control industrial control device, used in the lift control.In Chinas elevator industry, technology status and development trend of the detailed analysis, based on this paper, B R
11、 2005 PCC as the elevators main control system, completed a 12-storey station set selective control passenger elevators in the hardware and software control program design , the use of PCC its own has the logic operation and data processing functions, through appropriate increase in input / output p
12、oint and the preparation of PCC control procedures, so that the system has run for the elevator fault monitoring and diagnosis functions, and further information on the PCC control system Elevator Remote Monitoring.s in close connection with the machinery of large-scale electrical machinery and elec
13、tronic products. Mainly by the room, Wells Road, Car, door systems and electrical control system. Accompanied by the development of the construction industry, to provide for the construction of the elevator up and down traffic and transport industries are developing rapidly. Elevator is not only an
14、important link in the production of equipment, but also a life of work and the necessary equipment, can be expected that, with the development of society, elevator products in peoples material and cultural life and the car will be has become one of the important transportation equipment.The design m
15、ainly PLC (PLC) and computer application to the elevator control system, and to five-story elevator as an example to complete a single lift PLC program control system design, composition and modular program design . Mitsubishi FX2N through computer communications and to achieve operation of the elev
16、ator control systemPLC (programmable controller) takes one industrial control microcomputer, it is convenient by its programming, simplicity of operator its merits and so on high controllability, obtained the widespread application particularly in the industrial production process. It applies the large scale integrated circuit, the miniature machine technology and the mechanics of communication development achievement, formed gradually had many kinds of merits and miniature, medium, lar
