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Ohl, M.

Paper Title Page
TPPB22 Design of the Control and Data Acquisition System for the Neutron Spin Echo Spectrometer at the Spallation Neutron Source 208
  • M. Butzek, M. Drochner, P. Kaemmerling, T. Kozielewski, M. Monkenbusch, M. Ohl, F. Suxdorf, M. Wagener, H. Kleines
    FZJ, Jülich
  The Jülich Centre for Neutron Science (JCNS) is constructing a new “best-of-class” Neutron Spin Echo Spectrometer (NSE) at the Spallation Neutron Source (SNS) in Oak Ridge. Using superconducting precession coils, energy resolutions of 0.7 neV can be achieved with the new instrument, which will start commissioning in autumn 2008. Recently, JCNS constructed an NSE at its branch lab at the FRM-II reactor in Garching. This so-called JNSE is in its commissioning phase now, and its control and data acquisition system is based on the “Jülich-Munich Standard.” The “Jülich-Munich Standard” includes the TACO control system developed by the ESRF and the extensive use of industrial-type front-end equipment, e.g., PLCs, fieldbus systems (PROFIBUS DP), or remote I/Os. Since there are a lot of components and structures that are common for both instruments, the same technology shall be used for the SNS-NSE, of course. On the other hand, local SNS standards have to be supported since the SNS-NSE shall fit into the DAQ-infrastructure of the SNS, e.g., regarding data formats, interface to the timing system, or the ability to include local sample environments.