Automation systems (ASs) based on Service-Oriented Architecture (SOA) are becoming more wide-spread. Due to their inherent property of separating the hardware-specific implementation from the logical work- or control-flow, SOA-based application programming is regarded as the next logical step in AS programming. Several successful attempts for implementing SOA-based AS have been made, but always with non-industrial, non-standard software like Devices Profile for Web Services. Based on the requirements of typical industrial SOA-based AS application, we will show that the industry standard data acquisition software OPC Unified Architecture is capable to serve as a SOA-based middleware. © 2012 IEEE.
CITATION STYLE
Melik-Merkumians, M., Baier, T., Steinegger, M., Lepuschitz, W., Hegny, I., & Zoitl, A. (2012). Towards OPC UA as portable SOA middleware between control software and external added value applications. In IEEE International Conference on Emerging Technologies and Factory Automation, ETFA. https://doi.org/10.1109/ETFA.2012.6489640
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