Development of a Universal Networked Timer at NSTX

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A new Timing and Synchronization System component, the Universal Networked Timer (UNT), is under development at the National Spherical Torus Experiment (NSTX). The UNT is a second-generation multifunction timing device that emulates the timing functionality and electrical interfaces originally provided by various CAMAC modules. Using Field Programmable Gate Array (FPGA) technology, each of the UNT's eight channels can be dynamically programmed to emulate a specific CAMAC module type. The timer is compatible with the existing NSTX timing and synchronization system and will also support a (future) clock system with extended performance. To assist system designers and collaborators, software will be ... continued below

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300 kb

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Sichta, P.; Dong, J.; Lawson, J. E.; Oliaro, G. & Wertenbaker, J. September 23, 2005.

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Description

A new Timing and Synchronization System component, the Universal Networked Timer (UNT), is under development at the National Spherical Torus Experiment (NSTX). The UNT is a second-generation multifunction timing device that emulates the timing functionality and electrical interfaces originally provided by various CAMAC modules. Using Field Programmable Gate Array (FPGA) technology, each of the UNT's eight channels can be dynamically programmed to emulate a specific CAMAC module type. The timer is compatible with the existing NSTX timing and synchronization system and will also support a (future) clock system with extended performance. To assist system designers and collaborators, software will be written to integrate the UNT with EPICS, MDSplus, and LabVIEW. This paper will describe the timing capabilities, hardware design, programming/software support, and the current status of the Universal Networked Timer at NSTX.

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300 kb

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  • Related Information: Presented at the Twenty-First Symposium on Fusion Engineering (SOFE2005), 26 - 29 September 2005, Knoxville, Tennessee USA.

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  • Report No.: PPPL-4103
  • Grant Number: DE-AC02-76CH03073
  • Office of Scientific & Technical Information Report Number: 899511
  • Archival Resource Key: ark:/67531/metadc880315

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  • September 23, 2005

Added to The UNT Digital Library

  • Sept. 22, 2016, 2:13 a.m.

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  • Nov. 18, 2016, 10 p.m.

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Sichta, P.; Dong, J.; Lawson, J. E.; Oliaro, G. & Wertenbaker, J. Development of a Universal Networked Timer at NSTX, report, September 23, 2005; Princeton, New Jersey. (digital.library.unt.edu/ark:/67531/metadc880315/: accessed December 19, 2018), University of North Texas Libraries, Digital Library, digital.library.unt.edu; crediting UNT Libraries Government Documents Department.