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国家同步辐射实验室（ＮＳＲＬ）现已装备一台６Ｔｅｓｌａ单周期超导扭摆磁铁（Ｗｉｇｇｌｅｒ），把合肥同步辐射光源的可用范围延伸到Ｘ－射线，以满足部分Ｘ－射线用户的要求。由Ｗｉｇｇｌｅｒ光源引出的３条光束线，分别用于Ｘ－射线吸收精细结构（ＸＡＦＳ），生物大分子晶体多波长反常衍射（ＭＡＤ），Ｘ－射线深度光刻（ＬＩＧＡ）和高分辨Ｘ－射线衍射（ＨＲＸＤ）的研究。本文主要介绍首建的ＸＡＦＳ光束线及其实验站的真空联锁保护与控制系统，概述了光束线前端区的真空保护，解析了光束线真空联锁保护的关键部件—快阀及其控制器，给出了该光束线真空联锁保护与控制的要点以及逻辑控制。
The National Synchrotron Radiation Facility (NSRL) is now equipped with a 6 Tesla single-cycle superconducting wiggler, extending the available range of Hefei synchrotron radiation sources to X-rays to meet the needs of some X-ray users. The three beam lines derived from a Wiggler light source are used for X-ray absorption fine structure (XAFS), biological macromolecule multi-wavelength anomalous diffraction (MAD), X-ray depth lithography (LIGA) and high resolution X-ray Diffraction (HRXD) research. This paper introduces the first XAFS beamline and its experimental station vacuum interlock protection and control system, summarizes the beam front-end vacuum protection, analysis of the key components of beamline vacuum interlock protection - the fast valve and its controller , Gives the key points of the vacuum line interlock protection and control of the beamline and logic control.