摘要
介绍一种基于S7-300 PLC和变频器的恒压供水控制系统,并对系统组成、功能及工作原理进行了详细地描述。
This paper deals with a kind of constant pressure water supply control system based on both S7-300 PLC and frequency converter.The system structure,functions and working principle are introduced.
出处
《仪表技术》
2009年第9期46-48,共3页
Instrumentation Technology
关键词
PLC
变频器
恒压供水
PLC
frequency converter
constant pressure water supply