CERN Accelerating science

Article
Title	OPC-UA Data Acquisition for the C2MON Framework
Author(s)	Stockinger, Elisabeth (Aalto U.) ; Bräger, Matthias (CERN) ; Copy, Brice (CERN) ; Farnham, Ben (CERN) ; Ludwig, Michael (CERN) ; Schofield, Brad (CERN)
Publication	2022
Number of pages	6
In:	JACoW ICALEPCS2021 (2022) 376-381
In:	18th International Conference on Accelerator and Large Experimental Physics Control Systems, Online, 18 - 22 Oct 2021, pp.376-381
DOI	10.18429/JACoW-ICALEPCS2021-TUPV005
Subject category	Accelerators and Storage Rings
Abstract	The CERN Control and Monitoring Framework(C2MON) is a monitoring platform developed at CERN and since 2016 made available under an LGPL3 open source license. It stands at the heart of the CERN Technical Infrastructure Monitoring (TIM) that supervises the correct functioning of CERN’s technical and safety infrastructure. This diverse technological infrastructure requires a variety of industrial communication protocols. OPC UA [2], an open and platform-independent architecture, can be leveraged as an integration protocol for a large number of existing data sources, and represents a welcome alternative to proprietary protocols. With the increasing relevance of the open communication standard OPC UA in the world of industrial control, adding OPC UA data acquisition capabilities to C2MON provides an opportunity to accommodate modern and industry-standard compatible use cases. This paper describes the design and development process of the C2MON OPC UA data acquisition module, the requirements it fulfills, as well as the opportunities for innovation it yields in the context of industrial controls at CERN.
Copyright/License	publication: © Feb 2022 by JACoW (License: CC-BY-3.0)

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