Author: Junkes, H.
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MOBPL01 EPICS 7 Provides Major Enhancements to the EPICS Toolkit 22
  • L.R. Dalesio, M.A. Davidsaver
    Osprey DCS LLC, Ocean City, USA
  • S.M. Hartman, K.-U. Kasemir
    ORNL, Oak Ridge, Tennessee, USA
  • A.N. Johnson
    ANL, Argonne, Illinois, USA
  • H. Junkes
    FHI, Berlin, Germany
  • T. Korhonen
    ESS, Lund, Sweden
  • M.R. Kraimer
    Self Employment, Private address, USA
  • R. Lange
    ITER Organization, St. Paul lez Durance, France
  • G. Shen
    FRIB, East Lansing, USA
  • K. Shroff
    BNL, Upton, Long Island, New York, USA
  The release of EPICS 7 marks a major enhancement to the EPICS toolkit. EPICS 7 combines the proven functionality, reliability and capability of EPICS V3 with the powerful EPICS V4 extensions enabling high-performance network transfers of structured data. The code bases have been merged and reorganized. EPICS 7 provides a new platform for control system development, suitable for data acquisition and high-level services. This paper presents the current state of the EPICS 7 release, including the pvAccess network protocol, normative data types, and language bindings, along with descriptions of new client and service applications.  
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THPHA154 Experiment Control with EPICS7 and Symmetric Multiprocessing on RTEMS 1762
  • H. Junkes, H.-J. Freund, L. Gura, M. Heyde, P. Marschalik, Z. Yang
    FHI, Berlin, Germany
  Funding: This project has received funding from the European Research Council (ERC) under the European Union's Advanced Grant (AdG), 2014, ERC-2014-ADG
At the Fritz Haber Institute of the Max Planck Society a new very high speed scanning tunneling microscope (VHS-STM) is being set up to resolve glass dynamics (Cryvisil). We have been successfully using EPICS (v3) for many of our most important and larger experiments. However, for the new project, the data throughput to be achieved with EPICS (v3) is not sufficient. For this reason, we have completely aligned the experiment control for the STM to the new EPICS7 by using the new protocol pvAccess. The development versions of EPICS 3.16 and bundleCPP of the EPICSv4-suite are in use. Both of them will be the base components of the new EPICS7 Framework. The expected data rate is 300 MByte/s for up to 5 hrs to address the transition from a vitreous state to a crystal-line in real space over a wide range of temperatures ranging from cryogenic temperatures to 1500 K (*). In the poster we will show the control system setup (VMEbus, RTEMS-SMP, MVME6100, MVME2500, V375, SIS3316) and the used environment like ArchiverAppliance and pva2pva gateway.
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