This thesis discusses improved water supply control system with constant pressure in the fire fighting that is composed of transducer, pressure sensor, PLC as well as homemade controller.
2
由于变频调速技术和可编程程序控制器的应用灵活方便,在恒压供水系统中亦得到广泛的应用。
As the application of the frequency control technology and programmable logic controller is flexibility, in the constant pressure water supply system they has been widely used.