S7-200 PLC在水厂虹吸刮泥系统中的应用

Application of S7-200 PLC in Siphon Mud-Scraping System

介绍了 SIMATIC S7—200 PLC 在虹吸刮泥系统中的应用,给出了软、硬件部分,并简要分析了用计时器实现掉电自保的方法和用实时时钟功能实现自动定时刮泥的方法。

Introduce the SIMATIC S7-200 PLC used in scrape mud system,given the part of software、hardware,and analyses the method of use time recorder to realize the power down protection and the real time clock to realize automatic timing scraped mud.