Substation electric energy remote terminal unit(ERTU) is an important plant-level device for substation data acquisition, and it is obviously a part of digital substation system.

变电站电能量采集终端（ERTU）是变电站数据采集的一个重要厂站级设备，也是数字化变电站的组成部分。

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It introduced the designing idea of RTU remote measurement unit based on dual-CPU, described aspects of hardware structure and software design by detailed data.

首先介绍了基于双cpu模式rtu遥测单元的设计思想，通过详实资料描述了该系统硬件组成与软件设计特点。

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