The Timing System of the Neutral Beam Injector on EAST

In order to synchronize the elements of the EAST Neutral Beam Injector （NBI） spatially located in several places, a distributed Timing System （TS） is developed in this paper. The timing system provides a clock reference for synchronization and an interlock protection of the EAST NBI system. It sends...

Full description

Saved in:
Bibliographic Details
Published inPlasma science & technology Vol. 17; no. 5; pp. 425 - 429
Main Author 盛鹏 胡纯栋 赵远哲 崔庆龙 张小丹 吴德云 张睿 林宇莲 NBi team
Format Journal Article
LanguageEnglish
Published Institute of Plasma Physics, Chinese Academy of Sciences and the Chinese Society of Theoretical and Applied Mechanics and IOP Publishing 01.05.2015
Subjects
Clocks
Control systems
EAST
Feedback control
Injectors
LabVIEW
neutral beam injector
Neutral beams
Pulse width
Terminals
Time measurements
timing sequence
timing system
中性束注入
定时系统
控制电源
控制终端
数据采集系统
计时系统
Online AccessGet full text
ISSN1009-0630
DOI10.1088/1009-0630/17/5/10

Cover

More Information
Summary:In order to synchronize the elements of the EAST Neutral Beam Injector （NBI） spatially located in several places, a distributed Timing System （TS） is developed in this paper. The timing system provides a clock reference for synchronization and an interlock protection of the EAST NBI system. It sends timing signals to field devices, controls the pulse widths of the timing sequences, and provides a sampling clock for the Data Acquisition System （DAS）. The timing system also generates analog waveforms to control power supplies and gas supplies according to the operator＇s configuration. The timing system is developed on a PXI （PCI eXtensions for Instrumentation） platform consisting of a LabVIEW workstation and a timing control terminal. The timing control terminal consists of a timing node and several control interface crates. Two timing nodes are configured in one beam line. Each node is responsible for the timing sequence, analog generation and feedback control for one ion source. The architecture and implementation of the timing system are presented in this paper.
Bibliography:timing system, neutral beam injector, EAST, timing sequence
SHENG Peng, HU Chundong , ZHAO Yuanzhe , CUI Qinglong , ZHANG Xiaodan , WU Deyun ,ZHANG Rui ,LIN Yulian ,NBI team（ Institute of Plasma Physics, Chinese Academy of Sciences, Hefei 230031, China）
In order to synchronize the elements of the EAST Neutral Beam Injector （NBI） spatially located in several places, a distributed Timing System （TS） is developed in this paper. The timing system provides a clock reference for synchronization and an interlock protection of the EAST NBI system. It sends timing signals to field devices, controls the pulse widths of the timing sequences, and provides a sampling clock for the Data Acquisition System （DAS）. The timing system also generates analog waveforms to control power supplies and gas supplies according to the operator＇s configuration. The timing system is developed on a PXI （PCI eXtensions for Instrumentation） platform consisting of a LabVIEW workstation and a timing control terminal. The timing control terminal consists of a timing node and several control interface crates. Two timing nodes are configured in one beam line. Each node is responsible for the timing sequence, analog generation and feedback control for one ion source. The architecture and implementation of the timing system are presented in this paper.
34-1187/TL
ObjectType-Article-1
SourceType-Scholarly Journals-1
ObjectType-Feature-2
content type line 23
ISSN:1009-0630
DOI:10.1088/1009-0630/17/5/10