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| TUA3O04 |
CS-Studio Scan System Parallelization |
517 |
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- K.-U. Kasemir, M.R. Pearson
ORNL, Oak Ridge, Tennessee, USA
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Funding: This manuscript has been authored by UT-Battelle, LLC under Contract No. DE-AC05-00OR22725 with the U.S. Department of Energy.
For several years, the Control System Studio (CS-Studio) Scan System has successfully automated the operation of beam lines at the Oak Ridge National Laboratory (ORNL) High Flux Isotope Reactor (HFIR) and Spallation Neutron Source (SNS). As it is applied to additional beam lines, we need to support simultaneous adjustments of temperatures or motor positions. While this can be implemented via virtual motors or similar logic inside the Experimental Physics and Industrial Control System (EPICS) Input/Output Controllers (IOCs), doing so requires a priori knowledge of experimenters requirements. By adding support for the parallel control of multiple process variables (PVs) to the Scan System, we can better support ad hoc automation of experiments that benefit from such simultaneous PV adjustments.
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Slides TUA3O04 [2.789 MB]
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| WEA3O02 |
Recent Advancements and Deployments of EPICS Version 4 |
589 |
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- G.R. White, M.V. Shankar
SLAC, Menlo Park, California, USA
- A. Arkilic, L.R. Dalesio, M.A. Davidsaver, M.R. Kraimer, N. Malitsky, B.S. Martins
BNL, Upton, Long Island, New York, USA
- S.M. Hartman, K.-U. Kasemir
ORNL, Oak Ridge, Tennessee, USA
- D.G. Hickin
DLS, Oxfordshire, United Kingdom
- A.N. Johnson, S. Veseli
ANL, Argonne, Ilinois, USA
- T. Korhonen
ESS, Lund, Sweden
- R. Lange
ITER Organization, St. Paul lez Durance, France
- M. Sekoranja
Cosylab, Ljubljana, Slovenia
- G. Shen
FRIB, East Lansing, Michigan, USA
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EPICS version 4 is a set of software modules that add to the base of the EPICS toolkit for advanced control systems. Version 4 adds the possibility of process variable values of structured data, an introspection interface for dynamic typing plus some standard types, high-performance streaming, and a new front-end processing database for managing complex data I/O. A synchronous RPC-style facility has also been added so that the EPICS environment supports service-oriented architecture. We introduce EPICS and the new features of version 4. Then we describe selected deployments, particularly for high-throughput experiment data transport, experiment data management, beam dynamics and infrastructure data.
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Slides WEA3O02 [2.413 MB]
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| WEPGF105 |
EPICS V4 Evaluation for SNS Neutron Data |
947 |
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- K.-U. Kasemir, G.S. Guyotte, M.R. Pearson
ORNL, Oak Ridge, Tennessee, USA
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Funding: This manuscript has been authored by UT-Battelle, LLC under Contract No. DE-AC05-00OR22725 with the U.S. Department of Energy.
Version 4 of the Experimental Physics and Industrial Control System (EPICS) toolkit allows defining application-specific structured data types (pvData) and offers a network protocol for their efficient exchange (pvAccess). We evaluated V4 for the transport of neutron events from the detectors of the Spallation Neutron Source (SNS) to data acquisition and experiment monitoring systems. This includes the comparison of possible data structures, performance tests, and experience using V4 in production on a beam line.
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Poster WEPGF105 [1.281 MB]
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