摘要
在污水处理系统中 ,PLC和变频器组成的自动控制系统实现了pH值的自动控制。重点分析了该系统硬件构成和软件编程的特点。现场运行的结果表明 ,该系统具有很好的可扩展性、灵活性和可靠性。
The automatic control system based on PLC & frequency converter is used in waste water treatment system to control pH value. The composition of hardware and features of software design are emphasized. The result of practical operation on site shows that the system features excellent expandability, flexibility and dependability.
出处
《自动化仪表》
CAS
北大核心
2004年第9期22-25,共4页
Process Automation Instrumentation
