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摘 要：本方案为台达变频器、plc、人机界面采用通讯方式在变频给水上的应用案例，目前在不同场合相继得到应用。以下进行简要介绍。

 

关键词：人机界面 可编程控制器 变频器 通讯

 

序言

 

随着科学技术的进步，城市生活及消防供水正在经历巨大的变化，由于变频器技术的普及