3、更高的要求。给水的经济性、可靠性、稳定性直接影响到用户的正常生活和工作。本篇设计详细介绍了基于三菱FX系列PLC的大楼物业给水系统的方案设计，其中包括硬件选择、软件规划和编写，并重点描述了大楼物业给水系统的工作原理和过程、系统设计、软件编程的原则和技巧。关键词：给水系统；三菱PLC；稳定性The design of water supply control system based on the PLCAbstract:Nowadays, with the rapid progress of urbanization, the cons
4、truction of the living-water-providing system becomes especially significant. Moreover, the constant increase of urban water consumption asks for higher requirements of the construction of the water-providing system. The efficiency, reliability as well as the stability o
5、f water-providing can influence the routine lives and work of the users directly. This project introduces the project design of the water-providing system of property management for large buildings based on Mitsubishi’s FX series PLC in details, including hardware sele
6、cting, software planning and writing, and emphatically describes the operating principles and its progress, the design, as well as the guidelines and skills of software-programming of the water-providing system of property management for large buildings.Keywords:Watersup
7、plysystem;Mitsubishi’s FX series PLC;Stability1绪论1.1研究背景水是人民生活必需品，但由于近些年来，随着人们生活水平的提高，大楼的层数也在不断的剧增。再加上受到输送管道和给水设施的影响，使居民的生活用水存在着自来水管网压力不足的现象，尤其是给水高峰期的高层给水尤为突出,给人们的生活带来了许多困扰。以前为了解决用水难的问题，通常会在楼顶固定一个高位水箱，通过水箱的高度给水提给一定压力，再给给用户使用。但这种方案明显非常落后，不仅投资大而且不利于房屋的维护和抗震。上个世纪80年代后，气压给
