A sort of city water supply automatic control system based on PLC was introduced, and the principle of design and composition of supervisory system based on IFIX were described.
介绍了一种基于PLC的城市供水自动控制系统，给出了该系统的设计原理及组成，描述了基于IFIX的上位监控系统。
The water supply system has the advantages of good energy-saving effect, high reliability and full automatic control.
该供水系统具有节能效果好、可靠性高，实现了全自动化控制等特点。
This paper discussed net pressure of water supply, energy consumption and pump performance of different pressure control point in automatic regulation device of constant pressure water supply system.
分析了自动恒压控制给水系统中，不同控制点形式下的管网压力，系统能耗及水泵工况，并得出一些结论。
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