Author: Blomley, E.
Paper Title Page
Integrating OPC UA Devices into EPICS Using the Open62541 Library  
  • S. Marsching
    Aquenos GmbH, Baden-Baden, Germany
  • E. Blomley, D. Hoffmann, W. Mexner, A.-S. Müller, M. Schuh
    KIT, Eggenstein-Leopoldshafen, Germany
  OPC UA is a standardized network protocol for integrating diverse control systems. In recent years, this protocol has gained support from many vendors of both hardware and software components, thus significantly reducing the efforts needed to integrate components from different vendors. We have developed an EPICS device support that is based on the open62541 open-source library for use at the accelerator facilities operated by the Karlsruhe Institute of Technology. This device support acts as an OPC UA client, enabling the integration of hardware components (e.g. programmable logic controllers) as well as software components (e.g. third-party control-system frameworks) into our EPICS based control systems. In this contribution, we present this EPICS device support, which is publicly available under an open-source license.  
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