微计算机信息
微計算機信息
미계산궤신식
CONTROL & AUTOMATION
2010年
2期
96-97,100
,共3页
ARM%数据采集%S3C2410%信号隔离
ARM%數據採集%S3C2410%信號隔離
ARM%수거채집%S3C2410%신호격리
ARM%Data acquisition%S3C2410%Signal isolation
4-20mA的电流信号和0-10V的电压信号已经成为当前工业信号的标准.本文详细介绍了基于ARM处理器的标准工业信号采集系统的硬件电路设计和实现.整个系统的主要组成部分包括:CPU,隔离放大和滤波电路,A/D和逻辑电平转换电路,网络通信电路.基于ARM处理器的采集系统不仅可以实现装置微型化,低成本,高可靠性,而且可以运行操作系统,联网方便.测试表明该采集系统测量精度高,运行稳定可靠.
4-20mA的電流信號和0-10V的電壓信號已經成為噹前工業信號的標準.本文詳細介紹瞭基于ARM處理器的標準工業信號採集繫統的硬件電路設計和實現.整箇繫統的主要組成部分包括:CPU,隔離放大和濾波電路,A/D和邏輯電平轉換電路,網絡通信電路.基于ARM處理器的採集繫統不僅可以實現裝置微型化,低成本,高可靠性,而且可以運行操作繫統,聯網方便.測試錶明該採集繫統測量精度高,運行穩定可靠.
4-20mA적전류신호화0-10V적전압신호이경성위당전공업신호적표준.본문상세개소료기우ARM처리기적표준공업신호채집계통적경건전로설계화실현.정개계통적주요조성부분포괄:CPU,격리방대화려파전로,A/D화라집전평전환전로,망락통신전로.기우ARM처리기적채집계통불부가이실현장치미형화,저성본,고가고성,이차가이운행조작계통,련망방편.측시표명해채집계통측량정도고,운행은정가고.
The current signal of 4-20mA and the voltage signal of 0-10V have become the standard of industrial signal.This article detailedly introduces the hardware design and implementation of The Standard Industrial Signal Acquisition System based on ARM Processor.The chief parts of this system include:CPU,isolation amplifier and filter circuit,A/D and logic level conversion circuit,net-work communication circuit.The Acquisition System based on ARM Processor can realize not only device micromation,low cost,high dependability,but also running Operation System,convenience to connect network.The test has indicated that this Acquisition System has high measuring precision and it runs stably.