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OPC-based Architecture of Embedded Web Server

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Embedded Software and Systems (ICESS 2004)

Part of the book series: Lecture Notes in Computer Science ((LNTCS,volume 3605))

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Abstract

This paper combines OPC (OLE for Process Control) standard to EWS (Embedded Web Server) in order to distribute an integrated service for accessing real-time and history data from control networks. A layer of OPC XML-DA (Data Access) service is added between web services interfaces and embedded operation system in OPC-EWS. Architecture of DCS (Distributed Control System) with OPC-EWS is described too. This OPC-EWS applies such technologies as OPC, Java and XML and links to Internet through TCP/IP. Therefore, accesses to all kinds of embedded devices and data share in the heterogeneous Internet/Intranet environment are implemented. At last real-time performance and security of OPC-EWS are analyzed. The experiments and application have demonstrated that the architecture has good performance and is feasible for real-time operation in DCS.

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References

  1. Common Definitions, O.P.C.: Interface Version 1.0. OPC Foundation (1998)

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  2. McCombie: Embedded Web server now and in the future. RealTime Magazine (1), 82–83 (March 1998)

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  3. Choi, M.-J.: Efficient Embedded Web Server for Web-based Network Element Management. IEEE Internet Computer (2000)

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  4. OPC XML-DA Specification 1.0. OPC Foundation (2003)

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  5. HTTP Authentication: Basic and Digest Access Authentication (1999), http://www.ietf.org/rfc/rfc2617.txt

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© 2005 Springer-Verlag Berlin Heidelberg

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Jia, Z., Li, X. (2005). OPC-based Architecture of Embedded Web Server. In: Wu, Z., Chen, C., Guo, M., Bu, J. (eds) Embedded Software and Systems. ICESS 2004. Lecture Notes in Computer Science, vol 3605. Springer, Berlin, Heidelberg. https://doi.org/10.1007/11535409_51

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  • DOI: https://doi.org/10.1007/11535409_51

  • Publisher Name: Springer, Berlin, Heidelberg

  • Print ISBN: 978-3-540-28128-3

  • Online ISBN: 978-3-540-31823-1

  • eBook Packages: Computer ScienceComputer Science (R0)

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