Design and Implementation of RTU Remote Measurement Unit Based on Dual-CPU
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摘要: 综述了已应用于某煤矿企业配电站"综自"控制的遥测单元的设计与实现过程。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。重点分析了双端存储器在多CPU数据采集处理系统中的数据锁配合问题。提出了一种解决双CPU运行配合的新策略,并进行了调试和分析,实验结果表明在数据采集处理系统中采用双CPU模式可以有效地提高RTU单元的处理速度,节约传输时间。Abstract: The paper introduced a product that designed and implemented for the GEA-2000A remote measurement unit. 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. It emphatically analyzed the problem of data matching of DRAM in data acquisition and processing system based on multi-CPU. It put forward a new matching method for dual-CPU in writing and reading DRAM. The experiment result demonstrated that using dual-CPU mode can improve processing speed and reduce time of data transmission.
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Key words:
- coal mine /
- DRAM /
- remote measurement unit /
- RTU /
- CPU
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