| The cryogenic control system of BEPCⅡ |
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| 引用本文： | 李刚,王克祥,赵籍九,岳珂娟,戴明辉,黄亦玲,江波.The cryogenic control system of BEPCⅡ[J].中国物理 C,2008,32(4):294-296. |
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| 作者姓名： | 李刚 王克祥 赵籍九 岳珂娟 戴明辉 黄亦玲 江波 |
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| 作者单位： | Institute of High Energy Physics CAS，Institute of High Energy Physics，CAS，Institute of High Energy Physics，CAS，Institute of High Energy Physics，CAS，Institute of High Energy Physics，CAS，Institute of High Energy Physics，CAS，Institute of High Energy Physics，CAS，Beijing 100049，China，Beijing 100049，China，Beijing 100049，China，Beijing 100049，China，Beijing 100049，China，Beijing 100049，China，Beijing 100049，China |
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| 摘 要： | A superconducting cryogenic system has been designed and deployed in the Beijing Electron-Positron Collider Upgrade Project (BEPCⅡ). The system consists of a Siemens PLC (S7-PLC, Programmable Logic Controller) for the compressor control, an Allen Bradley (AB) PLC for the cryogenic equipments, and the Experimental Physics and Industrial Control System (EPICS) that integrates the PLCs. The system fully automates the superconducting cryogenic control with process control, PID (Proportional-Integral-Differential) control loops, real-time data access and data storage, alarm handler and human machine interface. It is capable of automatic recovery as well. This paper describes the BEPCⅡ cryogenic control system, data communication between S7-PLC and EPICS Input/Output Controllers (IOCs), and the integration of the flow control, the low level interlock, the AB-PLC, and EPICS.
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| 关 键 词： | cryogenic control BEPCⅡ PLC EPICS IOC |
| 收稿时间： | 2007-7-5 |
| 修稿时间： | 2007-9-4 |
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