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| TPPA30 | Channel Access Clients on the Microsoft Windows Platform | controls, linac, synchrotron, radiation | 155 | ||
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The control system for the Energy Recovery Linac Prototype (ERLP) under construction at Daresbury uses EPICS and vxWorks on VME64x. The client software in use during the commissioning of the accelerator is based on PC consoles running Red Hat 9. Synoptic displays and engineering panels are created using the Extensible Display Manager (EDM) and other standard EPICS extension software is used for archival and alarm handling. The Synchrotron Radiation Source (SRS) control system uses a bespoke control system with client software on PC consoles running Microsoft Windows. We would like to employ a similar approach for the operational client software on ERLP with Channel Access clients running on Microsoft Windows PC consoles. However, the Microsoft Visual Studio development tools and ActiveX/COM technologies used for creating client side software on the SRS control system are now outdated and have been superseded by the .NET framework and associated developer tools. This paper discusses the different options currently available for developing Channel Access clients on the Microsoft Windows platform, along with progress in creating Channel Access clients for the .NET framework.
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| TPPB30 | How to Use a SCADA for High-Level Application Development on a Large-Scale Basis in a Scientific Environment | controls, synchrotron, booster, vacuum | 226 | ||
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For high-level applications development, SOLEIL adopted GlobalSCREEN, a professional Java SCADA, developed by the ORDINAL company*. This environment enables end users to quickly build user-friendly GUIs without writing any Java code and by drag-dropping reusable graphical components developed by the software control team. These components are made up on top of the ATK** library, which provides a rich set of graphical widgets, including scientific data visualization tools, and already encapsulating communication with the Tango software bus. This way, SOLEIL can allow its users to lay out their supervisory applications with a homogenous look and feel and benefit (as they are natively provided by GlobalSCREEN) from functionalities such as access right management, web access, and remote administration at a minimal development cost. An original organization has been set up to deal with this collaborative work between “pure software developers” and “occasional” supervision applications developers. The work organization, the software architecture, and the design of the whole system will be presented, as well as the current status of deployment at SOLEIL for accelerators and for beamlines.
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* http://www.ordinal.fr/** Application Tango Toolkit |
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| WPPB13 | Development of Flexible and Logic-Reconfigurable VME Boards | controls, feedback, synchrotron, radiation | 427 | ||
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We developed a logic-reconfigurable VME board with high flexibility. The board has two parts, a base board and two IO daughter boards. The base board has a field programmable gate arrays (FPGA) chip for execution of user logic, such as a digital low-pass filter or calculation of the median of a spot image. Users can install their logics into the FPGA via VME bus. The IO daughter boards are simple IO modules such as analog inputs/outputs (AIOs) or digital inputs/outputs (DIOs). The data from the IO board is sent to the base board and processed there. As the IO daughter board is separated physically, the user can customize the VME board by choosing daughter boards and does not need to develop whole device. We have developed DIO, AIO, and Camera Link interface as the IO daughter board. In the presentation, design concept and implementation of this VME board are shown with some applications.
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| RPPA32 | Energy Ramping in BEPCII | power-supply, controls, synchrotron, radiation | 582 | ||
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The magnet power supply ramping synchronously is a fundamental procedure of the energy ramping of the BEPCII storage ring. The BEPCII has been put into synchrotron radiation operation (SR) (2.5GeV) research for 2 months after beams were successfully running in the Storage Ring with good beam performance. A software-based synchronization of the DAC setting on the power supplies is developed to achieve the relative magnet power supplies in the synchrotron ring ramped to the designed current synchronously. This paper introduces the schemes developed to perform energy ramping in the BEPCII storage ring and reports on the result of the operation carried out so far.
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