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EPICS Collaboration Meeting, September 2025

20 September 2025
Palmer House Hilton
US/Central timezone

Organizers

Session

Standard talks

20 Sept 2025, 09:10
Adams Room (Palmer House Hilton)

Adams Room

Palmer House Hilton

17 East Monroe Street Chicago, IL 60603, USA

Conveners

Standard talks: T1

  • Andrew Johnson (Argonne National Laboratory)

Standard talks: T2

  • Ran Hong (Argonne National Laboratory)

Standard talks: T3

  • Thomas Fors (Argonne National Lab)

Standard talks: T4

  • Suyin Wang (Argonne National Lab)

Presentation materials

There are no materials yet.

  1. 5. Converting the GSECARS APS Beamlines from VME
    Mark Rivers
    20/09/2025, 09:10
    Status
    Standard talk

    Most APS beamlines are using VME crates as a major part of their control system.
    The VME hardware is expensive and becoming obsolete, with replacements for many of the above items no longer available. The VxWorks software is also expensive.

    Prior to the shutdown for APS-U April 2023 the 4 GSECARS beamlines at sector 13 were using an EPICS system based primarily on 7 VME crates running...

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  2. 7. Shaking the oac-tree
    Timo Korhonen (European Spallation Source ERIC)
    20/09/2025, 09:30
    Clients & Frameworks
    Standard talk

    This talk will present some exploration of ideas about how the oac-tree sequencer by ITER could be integrated in the surrounding EPICS infrastructure. Topics like implementing reactive sequences, modularizing the trees and utilizing templating to configure reusable modules will be covered.

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  3. 12. Concepts for Gating EPICS Alarms
    Edmund Blomley (Karlsruhe Institute of Technology)
    20/09/2025, 09:50
    Clients & Frameworks
    Standard talk

    The Karlsruhe Research Accelerator (KARA) at KIT uses a customized software layer to “activate” EPICS alarms based on the operating state of the accelerator. Since KARA does not run 24/7 and also operates in very different modes, the basic idea is to be able to temporarily disable or enable some EPICS alarms based on certain conditions. To date, we have used our own Java software layer for...

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  4. 8. PVA Connections and Threads
    Sky Brewer (ESS)
    20/09/2025, 10:10
    Clients & Frameworks
    Standard talk

    Overview of a bug found in pvaccess that created zombie threads and was affected by both Phoebus and the Archiver Appliance in different setups.

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  5. 17. EPICS IOC Control of Timepix3 Detector System: Emulator, Serval, Detector Driver, and systemd Integration
    Kaz Gofron (Brookhaven National Laboratory)
    20/09/2025, 11:30
    Applications
    Standard talk

    Abstract
    In this presentation, we will describe the design, implementation, and integration of a modular EPICS-based control architecture for the Timepix3 detector ecosystem deployed at ORNL neutron and X-ray facilities. Our control framework leverages multiple interlinked components:
    1. ADTimePix3 Detector Driver: Built upon the EPICS areaDetector framework, the ADTimePix3 driver offers...

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  6. 16. EPICS Fundamentals Refresh
    Bob Dalesio
    20/09/2025, 11:50
    EPICS Core
    Extended talk

    EPICS was developed as a toolkit for implementing scientific control solutions. It is designed and implemented to provide a robust and high performance set of tools that can be used to limit the need for software development. This presentation will revisit these fundamentals as they relate to the current state of EPICS.

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  7. 13. Leveraging MRF system for Fast Beam Interlock applications
    Luka Perusko (Cosylab)
    20/09/2025, 14:30
    IOC Support
    Standard talk

    The distributed architecture of MRF timing systems provides a fitting platform for implementing interlock functions with low latency. In the Fast Beam Interlock (FBI) system developed for Nusano, input statuses from Event Receivers (EVRs) are transmitted to the Event Master (EVM), combined into logical flags and propagated to EVR outputs.
    This enables fast and configurable propagation of...

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  8. 25. PVmapper: EPICS nameserver without a database
    Klemen Vodopivec (ORNL/SNS)
    20/09/2025, 14:50
    Clients & Frameworks
    Standard talk

    At SNS we have developed a new nameserver that builds the PV cache dynamically by searching for PVs on the network and storing them until IOCs are alive, without the need to pre-load or keeps a database of PVs. This project was started to support the specifics of the highly diverse EPICS environment with many flavors of Channel Access clients/servers. The PVmapper was implemented to allow...

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  9. 9. Integration of the EcosimPro CHL Model into EPICS using Python's OPC UA Library
    Marnelli Martinez (Spallation Neutron Source)
    20/09/2025, 15:10
    Applications
    Standard talk

    A dynamic simulation model of the Central Helium Liquefier (CHL) at the Spallation Neutron Source (SNS) has been developed using the EcosimPro commercial software. This model facilitates production system replication providing virtual environments for software testing, operator training, process analysis and troubleshooting. In this integration project, the EcosimPro model will be deployed as...

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  10. 21. EPICS Council Report
    Karen White (Oak Ridge National Laboratory)
    20/09/2025, 16:30
    Status
    Standard talk

    Report on recent. EPICS Council activities.

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