A New PSS for the ELBE Accelerator Facility


A New PSS for the ELBE Accelerator Facility

Justus, M.; Kösterke, I.; Kraft, S.; Michel, P.; Schramm, U.; Lenk, S.

The ELBE facility (Electron Linear accelerator with high Brightness and low Emittance) is being upgraded towards a Center for High Power Radiation Sources in conjunction with Terawatt & Petawatt femtosecond lasers. The topological facility expansion and an increased number of radiation sources made a replacement of the former personnel safety system (PSS) necessary. The new system based on failsafe PLCs was designed to fulfil the requirements of radiation protection according to effective law, where it combines both laser and radiation safety for the new laser based particle sources. Conceptual design and general specification was done in-house, while detailed design and installation were carried out in close cooperation with an outside firm.
The article describes architecture, functions and some technical features of the new ELBE PSS. Special focus is on the implementation of IEC 61508 and the project track. The system was integrated in an existing (and mostly running) facility and is liable to third party approval. Operational experience after one year of run-time is also given.

Keywords: ELBE; PSS

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Publ.-Id: 19279