文章在对现有的HT-7 中央定时系统分析的基础上,提出了基于VXI 总线分布式中央定时触发系统的组建方案,这种分布式的工作模式大大增强了系统的灵活性、扩展性和可维护性。 关键词:分布式;中央定时触发系统;托卡马克 Abstract: This paper analyzes the existing central timing system, and gives a detailed construction for the new distributed central timing trigger system. This distributed work pattern greatly strengthened the system flexibility, the extension and the maintainability. Key words:distributed;central timing trigger system;tokamak