Research on the security mechanism for interconnection between PROFIBUS and Internet

The connection between PROFIBUS network and Internet can realize remote real-time monitoring device on the fieldbus. This paper conducts detailed analysis and research advance on network security based on the interconnection methods between PROFIBUS and Internet, and proposes a PROFIBUS industrial network security model. An embedded gateway is developed especially for meeting the security requirement in this research work. With compact structure and low cost, it paves the way to realize real-time monitoring PROFIBUS device safely via Internet.