Automatic Control System Based on PLC for Sewage Treatment Plant

Jiang Xiling Pang Jingjing（Liaoning Water Resources & Hydropower Reconnaissance and Design Research Institute，Shenyang 110006，China）

 

Abstract The process flow and the automatic control requiremeuts of the process equipments are introduced. The automatic control system of the sewage treatment plant is built with ControlLogix system of Rockwell based on PLC（programmable logical controller）. The system structure，functions and charcteristics of hardware and software are expatiated.

Key words Sewage treatment Automatic control system PLC 

 

摘 要    介绍了某污水处理厂工艺流程及工艺设备的自动控制要求，以 Rockwell 公司的 ControlLogix 系统构建了基于 PLC （可编程序控制器）的污水处理厂自动控制系统，并对系统构成，硬件、软件功能特点进行了阐述。

关键词 污水处理 自动控制系统 PLC