To meet the current requirements of constant pressure watei supply station system in China,a design method based on ARM9 and CC-Link was proposed. The hardware was designed,drivers and application software ware were developed. ARM9 microprocessor and CC-Link remote long-distance station's core chip MFP3 was used for embedded hardware ware platform,the operating system was Linux,application software ware was developed with Qt/Embedded. The results show that all parts of the system can slablely operate,it can flexibility to build different needs constant pressure water supply systems,storage and display operation of remote device station work. The instrument can meet the functional requirements of system design.%文中提出了一种基于ARM和CC-Link的恒压供水加压站设计方法,进行了硬件的设计、驱动程序以及应用程序的开发.使用ARM9微处理器和CC-Link远程设备站芯片MFP3作为系统的硬件平台,Linux作为操作系统,应用程序使用Qt/Embedded编写.通过实际运行表明,系统远行稳定,可以灵活地组建不同需求的恒压供水系统,存储和显示远程设备站工作运行情况,实现了系统设计的功能要求.
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