摘要
叙述了用PLC控制生化反应法处理污水的过程，详细描述了如何用状态转移图来设计顺序控制系统。
This paper introduces that programmable logic controller is utilized to control sewage processing by means of biochemicalmethod,and describe in detail how to design mpential control system based on sequential function chart (SFC).
出处
《基础自动化》
CSCD
1997年第6期22-25,共4页
Basic Automation
