本文介绍了采用PLC和变频器控制的变频调速恒压供水系统，由PLC进行逻辑控制，由变频器进行压力调节。This article introduces the PLC and inverter control variable frequency speed regulation of constant pressure water supply system, by PLC to control logic, the frequency converter for pressure to adjust.PLC和变频器作为控制系统的核心部件，经过变频器内部的PID运算，通过PLC控制变频与工频的切换，实现用闭环自动调节恒压供水。PLC...
This paper introduces the PLC and frequency converter frequency control constant pressure water supply system, carried out by PLC logic control, by the frequency converter to regul...
This article introduces the PLC and inverter control variable frequency speed regulation of constant pressure water supply system, by PLC to control logic, the frequency converter ...
