Author: Hoffmann, T.
Paper Title Page
MOPMN008 LASSIE: The Large Analogue Signal and Scaling Information Environment for FAIR 250
  • T. Hoffmann, H. Bräuning, R. Haseitl
    GSI, Darmstadt, Germany
  At FAIR, the Facility for Antiproton and Ion Research, several new accelerators such as the SIS 100, HESR, CR, the inter-connecting HEBT beam lines, S-FRS and experiments will be built. All of these installations are equipped with beam diagnostic devices and other components which deliver time-resolved analogue signals to show status, quality, and performance of the accelerators. These signals can originate from particle detectors such as ionization chambers and plastic scintillators, but also from adapted output signals of transformers, collimators, magnet functions, RF cavities, and others. To visualize and precisely correlate the time axis of all input signals a dedicated FESA based data acquisition and analysis system named LASSIE, the Large Analogue Signal and Scaling Information Environment, is under way. As the main operation mode of LASSIE, pulse counting with adequate scaler boards is used, without excluding enhancements for ADC, QDC, or TDC digitization in the future. The concept, features, and challenges of this large distributed DAQ system will be presented.  
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