NEW PROCESS CONTROLS FOR THE HERA CRYOGENIC PLANT

被引：0

作者：

Boeckmann, T. ^{[1
]}

Clausen, M. ^{[1
]}

Gerke, Chr. ^{[1
]}

Pruess, K. ^{[1
]}

Schoeneburg, B. ^{[1
]}

Urbschat, P. ^{[1
]}

机构：

[1] DESY, D-22607 Hamburg, Germany

来源：

ADVANCES IN CRYOGENIC ENGINEERING, VOLS 55A AND 55B | 2010年 / 1218卷

关键词：

D O I：

暂无

中图分类号：

O414.1 [热力学];

学科分类号：

摘要：

The cryogenic plant built for the HERA accelerator at DESY in Hamburg (Germany) is now in operation for more than two decades. The commercial process control system for the cryogenic plant is in operation for the same time period. Ever since the operator stations, the control network and the CPU boards in the process controllers went through several upgrade stages. Only the centralized Input/ Output system was kept unchanged. Many components have been running beyond the expected lifetime. The control system for one at the three parts of the cryogenic plant has been replaced recently by a distributed I/O system. The I/O nodes are connected to several Profibus-DP field busses. Profibus provides the infrastructure to attach intelligent sensors and actuators directly to the process controllers which run the open source process control software EPICS. This paper describes the modification process on all levels from cabling through I/O configuration, the process control software up to the operator displays.

引用

页码：1205 / 1212

页数：8

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