现场总线和局域网互联技术研究

Research on Interconnection between Fieldbus and LAN

自动化制造业领域 ,为实现整个生产过程的综合控制和管理 ,迫切需要将底层多种现场总线控制网络和工厂局域网进行集成。本文对现有集成方法进行了详细的分析 ,提出了一种简单、安全的集成方法 ,给出了互联的网关模型结构 ,对模型各部分功能进行了详尽的说明。最后 ,对网络互联所引起的系统安全问题进行了深入探讨。

A pressing requirement is to interconnect LAN and various fieldbus control network for controlling and managing the whole production process in the field of automated manufacturing. The previous integrating methods were analyzed in this paper. In particular, a simple and secure integrating method between fieldbus and LAN was presented, and the model architecture and functions were illustrated in detail. Finally, the security resulting from interconnection was discussed in depth.