This article takes water -supply system of one school as an example, researches the application of PLC and frequency conversion speed adjustment technology in the electrical control system.
以某学校供水系统为例，研究了PLC及变频调速技术在电气控制中的应用。
Introduces converter speed-adjustment technology, a new energy-saving technology, and the installation steps, parameter fixing and points for attention in the process of installation and debugging.
介绍变频调速这一新型节能技术，在安装调试过程中的步骤、参数设定及注意事项。
Introduces converter speed-adjustment technology, a new energy-saving technology, and the installation steps, parameter fixing and points for attention in the process of installation and debugging.
介绍变频调速这一新型节能技术，在安装调试过程中的步骤、参数设定及注意事项。
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