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Invoking Web services from programmable logic controllers

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2 Author(s)
Stoidner, C. ; Dept. of Math. & Comput. Sci., Univ. of Marburg, Marburg, Germany ; Freisleben, B.

The adoption of service-oriented architectures based on web services in industrial application domains enables the seamless integration of business software with manufacturing tasks and promises increased interoperability. To be able to invoke a manufacturing task running on a programmable logic controller (PLC) as a web service from a business application, the SOAP4PLC engine has been proposed. In this paper, an extension of the SOAP4PLC engine is presented to invoke a web service based business application from a PLC application. A use case is shown in which the extended SOAP4PLC engine is used to interface a PLC application concerned with realizing the functionality of a charging station for electrical vehicles with a web service based accounting system.

Published in:

Emerging Technologies and Factory Automation (ETFA), 2010 IEEE Conference on

Date of Conference:

13-16 Sept. 2010