To improve the efficiency and automaticity of water plant, the whole plant uses Rockwell Automation's products to achieve the integration of management and control. The paper introduces the function of ControlLogix programmable logic controller (PLC)-Human Machine Interface(HMI) system in the process of water treatment.%为了提高水厂的效率和自动化程度,全厂采用了Rockwell公司的自动化产品,实现了自来水厂的管控一体化。重点介绍了ControlLogix的可编程序控制器(Programmable Logic Controller, PLC)-人机接口(Human Machine Interface, HMI )系统在自来水处理工艺中的实现的功能。
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