基于RS 485总线的数据采集处理系统  

The Data Acquisition and Processing System Based on RS 485 Bus

作　　者：李新超[1] 李继凯[1] 

机构地区：[1]茂名学院,广东茂名525000

出　　处：《现代电子技术》2007年第12期124-126,共3页Modern Electronics Technique

基　　金：茂名学院青年科研基金项目(203259)

摘　　要：为了解决多通道数据的远程采集和处理问题,介绍基于RS 485总线的串行通信数据采集处理系统的方案设计。给出RS 485通信接口的具体硬件电路,应用VC++6.0编写PC机软件,完成了PC机与数据采集模块的串行通信及数据处理的软件系统设计,实现了对多通道现场数据的实时采集和处理,系统具有较强的实用性和扩展性。To meet the remote multi -channel data acquisition and processing. In this paper a serial communication data acquisition and processing system based on RS 485 are designed. The hardware design of RS 485 bus is presented. The system software design of serial communication between PC and multi - channel data Acquisition modules and processing module by using VC＋＋ 6.0 are described. The multi - channel real - time data acquisition and processing is realized. The system proves practicability and expansibility.

关 键 词：RS 485总线 数据采集 串口通信 VC++ 

分 类 号：TN919[电子电信—通信与信息系统]