CASS工艺污水处理监控系统设计

Design on Monitoring and Controlling System of Waste Water treatment by CASS

本文介绍了西门子公司S7-300PLC在污水处理厂自动控制中的应用,设计基于profibus-dp现场总线的污水处理分布式监控系统,详细介绍了系统网络拓扑结构、系统配置、上/下位机软件设计方案及主要控制流程。实际运行表明该系统运行稳定可靠。

This paper introduces the application of ST-300PLC in waste water disposal, designs an distributed monitor-control system based on profibus-dp fieldbus, presents topology structure, composition of the system ,as well as the design plan and main controlling sequence of software . Practically, the system runs stably.