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摘要
本文介绍了照明控制系统的发展现状，以及存在问题，同时介绍了可编程控制器的工作原理，选型依据。设计了一种基于PLC的智能照明控制系统，详细介绍了所选用的西门子S7-200 PLC以及同类型的S7-300 S7-400PLC，根据设计要求对PLC的输入输出I/O进行了分配，并且编写系统运行的梯形图。
关键词：智能照明，PLC，无线通信
Abstract
This paper describes the development of lighting control system status, and the problems of the programmable controller is also introduced the working principle of selection basis. Design of a PLC-based intelligent lighting control system, detailing the use of Siemens S7-200 PLC as well as the same type of S7-300 S7-400PLC, according to the design requirements of the PLC's input and output I / O to the distribution and preparation of system operation ladder.
Key words: intelligent lighting, PLC, wireless communications