基于单片机串口报文的数据采集模块的研制  

Design of MCU UART Message-based Data Acquisition Module

作　　者：徐宏庆 郑龙根 

机构地区：[1]正德职业技术学院,江苏南京211100

出　　处：《工业控制计算机》2018年第11期44-45,47,共3页Industrial Control Computer

摘　　要：针对缓变弱信号和串口输入输出接口设计了一款专用数据采集模块。采用了微处理器结合A/D转换和串口通信芯片的系统方案,对微处理器和配套芯片进行了选型,设计并加工了产品板,编制了相应的控制软件。经实际运行,数据采集速度和精度符合要求,串口通信稳定,未出现报文丢失现象,实现了产品的设计要求。A data acquision module was designed and assembled.It received quasi-constant weak voltage voltage and equipped with a UART interface.The system included a MCU with both an ADC chip and a UART chip.Choises are made for these three chips and the board is desiged,fabricated and assembled.The firmwere is also programed.The product is verified to be satisfied with respect to both data rate and data accuracy.The UART communication worked fine.Missing of any message is not occurred.The product met all the requirement of the design.

关 键 词：数据采集 微处理器 A/D转换 串口通信 

分 类 号：TP274.2[自动化与计算机技术—检测技术与自动化装置]