CERN Accelerating science

CMS Note
Report number	CMS-CR-2017-310
Title	Improving the safety and protective automatic actions of the CMS electromagnetic calorimeter detector control system
Author(s)	Jimenez Estupinan, Raul (Zurich, ETH) ; Adzic, Peter (Belgrade U.) ; Cirkovic, Predrag (Belgrade U.) ; Di Calafiori, Diogo Raphael (ETH, Zurich (main)) ; Dissertori, Guenther (ETH, Zurich (main)) ; Djambazov, Lubomir (ETH, Zurich (main)) ; Jovanovic, Dragoslav (Belgrade U.) ; Lustermann, Werner (ETH, Zurich (main)) ; Milenovic, Predrag (Belgrade U.) ; Zelepoukine, Serguei (ETH, Zurich (main) ; Wisconsin U., Madison)
Collaboration	CMS Collaboration
Publication	2018
Imprint	28 Sep 2017
Number of pages	4
In:	16th International Conference on Accelerator and Large Experimental Physics Control Systems, Barcelona, Spain, 8 - 13 Oct 2017, pp.THPHA109
DOI	10.18429/JACoW-ICALEPCS2017-THPHA109
Subject category	Detectors and Experimental Techniques
Accelerator/Facility, Experiment	CERN LHC ; CMS
Abstract	The CMS ECAL Detector Control System (DCS) features several monitoring mechanisms able to react and perform automatic actions based on pre-defined action matrices. The DCS is capable of early detection of anomalies inside the ECAL and on its off-detector support systems, triggering automatic actions to mitigate the impact of these events and preventing them from escalating to the safety system. The treatment of such events by the DCS allows for a faster recovery process, better understanding of the development of issues, and in most cases, actions with higher granularity than the safety system. This paper presents the details of the DCS automatic action mechanisms, as well as their evolution based on several years of CMS ECAL operations.
Copyright/License	CC-BY-3.0

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