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| WCO205 |
Upgrade of SACLA DAQ System Adapts to Multi-Beamline Operation |
controls, experiment, operation, network |
22 |
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- K. Okada, T. Abe, Y. Furukawa, T. Hatsui, Y. Joti, T.K. Kameshima, T. Matsumoto, T. Sugimoto, R. Tanaka, M. Yamaga
JASRI/SPring-8, Hyogo-ken, Japan
- M. Yabashi
RIKEN SPring-8 Center, Sayo-cho, Sayo-gun, Hyogo, Japan
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We report the data acquisition system (DAQ) for user experiments at SACLA (the SPring-8 Angstrom Compact Free Electron Laser). The system provides standardized experimental framework to various XFEL users since March 2012. It is required to store shot-by-shot information synchronized with the XFEL beam of 60Hz at the maximum repetition rate. The data throughput goes up to 6 Gbps with TOF waveforms and/or images (e.g. X-ray diffraction images) from experiments. The data are stored to the hierarchical storage system capable of more than 6 PByte at the last stage. The DAQ system incorporates with prompt data processing performed by a 14 TFlops PC cluster as well as on-line monitoring. In 2014, SACLA will introduce the third beamline to increase the capacity of experiments. On the DAQ side, it is a challenge to operate multiple experiments simultaneously. The control and data stream will be duplicated and separated for beamlines. A new central server to manage each beamline condition in one place will help increase the efficiency of setup procedure and reduce risks of mishandling between beamlines.
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Slides WCO205 [1.472 MB]
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| WPO038 |
A Modular Personnel Safety System for VELA based on Commercial Safety Network Controllers |
network, operation, controls, electron |
123 |
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- M.D. Hancock, B.G. Martlew
STFC/DL, Daresbury, Warrington, Cheshire, United Kingdom
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STFC Daresbury Laboratory has recently commissioned VELA (Versatile Electron Linear Accelerator), a high performance electron beam test facility. It will be used to deliver high quality, short pulse electron beams to industrial users to aid in the development of new products in the fields of health care, security, energy and waste processing and also to develop and test novel compact accelerator technologies. In the early stages of the design it was decided to use commercial Safety Network Controllers and I/O to implement the Personnel Safety System in place of the electro-mechanical relay-based system used on previous projects. This provides a high integrity, low cost solution while also allowing the design to be modular, programmable and easily expandable. This paper describes the design and realisation of the VELA Personnel Safety System and considers its future development. In addition, the application of the system to the protection of high-power laser systems and medical accelerators will also be discussed.
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