【摘要】 设计以TMS320LF2407为核心的便携式数据采集仪。选用具有14级可编程增益的精密仪表放大器LTC6915作信号调理前级,增强了通用性;采用图形液晶显示设计,实现系统菜单化管理与采集数据实时显示;外扩大容量的存储器,并连接GPRS模块。利用现有的GPRS网络与数据处理中心主机进行数据通信,达到远程数据实时传输和监控的目的。更多还原

【Abstract】 It designs a portable data acquisition instrument which uses TMS320LF2407 as core. Choosing a precise instrument amplifier with 14 levels programmable gain LTC6915 as the front-end of signal regulation, which can improve the universality; Adopting a design of graphic LCD to realize menu management and real-time display of acquired data; Expanding high capacity memory and connecting with GPRS module. Through the data communication between the existing GPRS network and the host of data processing center, it achieves the purpose of remote real-time transmission and monitor.更多还原