基于RS-485总线的数据采集系统  

Data Collection System Based on RS-485 Bus

作　　者：苏晓龙[1] 王香婷[1] 

机构地区：[1]中国矿业大学,江苏徐州221008

出　　处：《仪表技术与传感器》2007年第12期52-53,78,共3页Instrument Technique and Sensor

摘　　要：基于RS-485总线的数据采集系统可实现对大坝坝体各方位的应变数据进行采集与数据处理。介绍了系统硬件和软件的设计,重点阐述了硬件电路中信号获取、信号放大、A/D转换、电源、通讯、数据存储以及时钟等模块的设计与实现方法。给出了系统的软件设计框图。The collection and disposal of all the dam＇s azimuth＇s strain data was realized, using the data collecting system based on RS- 485 bus. The design of system hardware and software were introduced. The design and realization methods of the signal obtainer, signal＇s enlarger, A/D conversion, power supply, communication and data-storage module were expatiated.

关 键 词：RS-485总线 数据采集 应变 单片计算机 

分 类 号：TP274[自动化与计算机技术—检测技术与自动化装置]