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The design and application of a new data-collecting system
Author(s): 
Pages: 27-28,76
Year: Issue:  1
Journal: AUTOMATION & INSTRUMENTATION

Keyword:  8259AAT89C52中断方式数据采集准确度;
Abstract: 近年来,水表、电表及煤气表(简称三表)的数据采集系统在智能楼宇中得到了广泛的应用.针对应用中的数据采集准确度低的问题,通过对采集方式的分析,提出了采用8259A中断控制器配合单片机采集数据的思想.设计了一种利用中断方式的数据采集系统,给出了其硬件电路框图和主要软件流程图.实践证明,数据采集系统的准确度大大提高,在智能楼宇中会得到广泛应用.
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