摘要
本文介绍了一种基于PLC控制的变频恒压供水系统,详细阐述了系统组成、功能、硬件及软件,并给出了PLC主程序框图。实践证明,系统具有节能、工作可靠、自动控制程度高等优点,有广阔的应用前景和推广价值。
This article introduces a kind of frequency conversion constant pressure water-supply system, of which the control is based on PLC and frequency converter. The paper elaborates in detail the composition, the system function, the system hardware and software of the system, and gives the PLC main program block diagram. Practice shows that the system has the advantages of energy-saving, reliable work, high degree of automatic control, with broad application prospect and the promoted value.
出处
《有色冶金节能》
2008年第5期47-49,共3页
Energy Saving of Nonferrous Metallurgy
关键词
PLC
变频
恒压供水
PLC
frequency conversion
constant pressure water-supply
