本文对公用数据采集网进行了研究。
This paper makes a study of a public network for data acquisition.
设计并实现了利用较先进的电力线通信系统构成的公用数据采集网。
The design and realization of the network are based on an advanced electric wire communication system.
为了排除人为干扰、提高可靠性，采集数据以可编程逻辑控制器为核心，通过现场总线和以太网的多层网络传送至数据库中。
To avoid interfering by work, data were sampled through a multi-layers network which synthesize the field-bus and Ethernet and center on programmable logic controller.
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