CERN Accelerating science

Published Articles
Title	Intelligence Elements and Performance of the FPGA-based DAQ of the COMPASS Experiment
Author(s)	Huber, Stefan (Munich, Tech. U.) ; Konorov, Igor (Munich, Tech. U.) ; Levit, Dmytro (Munich, Tech. U.) ; Bodlák, Martin (Charles U.) ; Jarý , Vladimir (Charles U.) ; Květoň, Antonin (Charles U.) ; Nový, Josef (Charles U.) ; Šubrt, Ondřej (Charles U.) ; Tomsa, Jan (Charles U.) ; Virius, Miroslav (Charles U.) ; Frolov, Vladimir (Dubna, JINR) ; Steffen, Dominik (Munich, Tech. U.)
Publication	SISSA, 2018
Number of pages	5
In:	PoS TWEPP-17 (2018) 127
In:	Topical Workshop on Electronics for Particle Physics, Santa Cruz, Ca, United States Of America, 11 - 15 Sep 2017, pp.127
DOI	10.22323/1.313.0127
Subject category	Detectors and Experimental Techniques
Accelerator/Facility, Experiment	CERN SPS ; NA58
Abstract	Using FPGA technology for event building tasks in high-energy physics experiments reduces costs and increases reliability of DAQ systems. In 2014, the COMPASS experiment at the Super Proton Synchrotron at CERN commissioned a novel, intelligent, FPGA-based DAQ in which event building is entirely performed by FPGA cards. The highly scalable system is designed to cope with an on-spill data rate of 1.5 GB/s and a sustained data rate of 500 MB/s. Its intelligent and highly reliable hardware event builder is able to handle and detect front-end errors and automatically take corrective action. In September 2017, it reached an uptime of 99.63%. The paper gives an overview of system details, performance, and running experience.
Copyright/License	publication: (License: CC-BY-NC-ND 4.0)

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