【摘要】 针对用户对高端电磁流量计的需求,提出了基于ARM9微处理器的电磁流量计硬件设计方案。ARM9微处理器可以实现多种励磁方式、数据的USB存储、以太网络通信、TFT彩屏显示等一系列的功能。文中对电磁流量计的测量装置,基于ARM9核心板的模块化电路设计作了详细的介绍。更多还原

【Abstract】 In accordance with the users’ requirements for a kind of high-performance electromagnetic flowmeter(EMF),the paper proposes a design method for the EMF hardware based on the ARM9 MCU,which makes it possible for the EMF to realize several exciting modes,data storage with USB,communication in the Ethernet and display on the TFT true color screen.The paper also gives a detailed introduction about the EMF measuring devices and the circuit design based on the ARM9 core-board with the design method of modularization.更多还原