Implementation of local area network extension for instrumentation standard trigger capabilities in advanced data acquisition platforms

López Navarro, Juan Manuel and Ruiz González, Mariano and Barrera Lopez de Turiso, Eduardo and Arcas Castro, Guillermo de and Vega, Jesús (2008). Implementation of local area network extension for instrumentation standard trigger capabilities in advanced data acquisition platforms. "Review of Scientific Instruments", v. 79 (n. 10); pp.. ISSN 0034-6748. https://doi.org/10.1063/1.2968694.

Description

Title: Implementation of local area network extension for instrumentation standard trigger capabilities in advanced data acquisition platforms
Author/s:
  • López Navarro, Juan Manuel
  • Ruiz González, Mariano
  • Barrera Lopez de Turiso, Eduardo
  • Arcas Castro, Guillermo de
  • Vega, Jesús
Item Type: Article
Título de Revista/Publicación: Review of Scientific Instruments
Date: October 2008
ISSN: 0034-6748
Volume: 79
Subjects:
Faculty: E.U.I.T. Telecomunicación (UPM)
Department: Sistemas Electrónicos y de Control [hasta 2014]
Creative Commons Licenses: Recognition - No derivative works - Non commercial

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Abstract

Synchronization mechanisms are an essential part of the real-time distributed data acquisition systems (DASs) used in fusion experiments. Traditionally, they have been based on the use of digital signals. The approach known as local area network extension for instrumentation (LXI) provides a set of very powerful synchronization and trigger mechanisms. The Intelligent Test Measurement System (ITMS) is a new platform designed to implement distributed data acquisition and fast data processing for fusion experiments. It is based on COMPATPCI technology and its extension to instrumentation (PXI). Hardware and software elements have been developed to include LXI trigger and synchronization mechanisms in this platform in order to obtain a class A LXI instrument. This paper describes the implementation of such a system, involving the following components: commercial hardware running a Linux operating system; a real-time extension to an operating system and network (RTAI and RTNET), which implements a software precision time protocol (PTP) using IEEE1588; an ad hoc PXI module to support hardware implementation of PTP-IEEE 1588; and the multipoint, low-voltage differential signaling hardware LXI trigger bus. ©2008 American Institute of Physics

More information

Item ID: 2613
DC Identifier: http://oa.upm.es/2613/
OAI Identifier: oai:oa.upm.es:2613
DOI: 10.1063/1.2968694
Official URL: http://rsi.aip.org/rsinak/v79/i10
Deposited by: Memoria Investigacion
Deposited on: 22 Mar 2010 09:35
Last Modified: 20 Apr 2016 12:15
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