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嵌入式网络ＥＬＡＮ最适于组成实时分布数据采集、传送控制系统。本文在对数据采集系统发展进行了，简要介绍的基础上，对嵌入式网络作了较详细的介绍．由于ＥＬＡＮ应用层的服务和用户的应用选择有密切关系，故对其作了重点介绍。同时，分析ＥＬＡＮ在水电站工况监测分布数据采集系统中应用的实例。本文的ＥＬＡＮ数据采集系统，对保证水电站监控系统、电网更加安全稳定运行、降低数据采集系统成本无疑具有意义。
ELAN embedded network is most suitable for the composition of real-time distributed data acquisition and transmission control system. In this paper, the development of data acquisition system, a brief introduction based on the embedded network made a more detailed introduction. Due to the ELAN application layer services and user applications are closely related, so it was highlighted. At the same time, this paper analyzes the application of ELAN in the condition monitoring distributed data acquisition system of hydropower station. This ELAN data acquisition system, to ensure that the hydropower station monitoring system, power grid more secure and stable operation, reducing the cost of data acquisition system undoubtedly makes sense.