Fast data transmission in dynamic data acquisition system for plasma diagnostics

Adrian Byszuk; Krzysztof Poźniak; Wojciech M. Zabołotny; Grzegorz Kasprowicz; Andrzej Wojeński; Radosław Cieszewski; Bartłomiej Juszczyk; Piotr Kolasiński; Paweł Zienkiewicz; Maryna Chernyshova; Tomasz Czarski

doi:10.1117/12.2076089

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25 November 2014 Fast data transmission in dynamic data acquisition system for plasma diagnostics

Adrian Byszuk, Krzysztof Poźniak, Wojciech M. Zabołotny, Grzegorz Kasprowicz, Andrzej Wojeński, Radosław Cieszewski, Bartłomiej Juszczyk, Piotr Kolasiński, Paweł Zienkiewicz, Maryna Chernyshova, Tomasz Czarski

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Proceedings Volume 9290, Photonics Applications in Astronomy, Communications, Industry, and High-Energy Physics Experiments 2014; 92902O (2014) https://doi.org/10.1117/12.2076089
Event: Symposium on Photonics Applications in Astronomy, Communications, Industry and High-Energy Physics Experiments, 2014, Warsaw, Poland

Abstract

This paper describes architecture of a new data acquisition system (DAQ) targeted mainly at plasma diagnostic experiments. Modular architecture, in combination with selected hardware components, allows for straightforward reconfiguration of the whole system, both offline and online. Main emphasis will be put into the implementation of data transmission subsystem in said system. One of the biggest advantages of described system is modular architecture with well defined boundaries between main components: analog frontend (AFE), digital backplane and acquisition/control software. Usage of a FPGA chips allows for a high flexibility in design of analog frontends, including ADC ↔ FPGA interface. Data transmission between backplane boards and user software was accomplished with the use of industry-standard PCI Express (PCIe) technology. PCIe implementation includes both FPGA firmware and Linux device driver. High flexibility of PCIe connections was accomplished due to use of configurable PCIe switch. Whenever it's possible, described DAQ system tries to make use of standard off-the-shelf (OTF) components, including typical x86 CPU & motherboard (acting as PCIe controller) and cabling.

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Adrian Byszuk, Krzysztof Poźniak, Wojciech M. Zabołotny, Grzegorz Kasprowicz, Andrzej Wojeński, Radosław Cieszewski, Bartłomiej Juszczyk, Piotr Kolasiński, Paweł Zienkiewicz, Maryna Chernyshova, and Tomasz Czarski "Fast data transmission in dynamic data acquisition system for plasma diagnostics", Proc. SPIE 9290, Photonics Applications in Astronomy, Communications, Industry, and High-Energy Physics Experiments 2014, 92902O (25 November 2014); https://doi.org/10.1117/12.2076089

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