摘 要:本文主要介绍了Profibus-DP现场总线在氟化学工业控制系统中的应用以及DCS和S7-400H冗余系统的网络结构。重点分析了基于DP/DP耦合器的多主网络系统耦合以及基于Y-LINK的冗余网络自动切换设计。
关键词:PROFIBUS-DP S7-400H冗余系统 DP/DP耦合器 Y-LINK
Abstract: This paper mainly describes the application of the PROFIBUS-DP network system in the Fluorine chemistry process control and the network topology of DCS and S7-400H redundant system . The multi-MASTER network system coupling via DP/DP coupler and the auto-switch design of redundant network via Y-LINK device are deeply analyzed.
Keywords: PROFIBUS-DP S7-400H redundant system DP/DP coupler Y-LINK