| Paper |
Title |
Page |
| S02SRU02 |
Common Control System for the CERN Accelerators |
54 |
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- R. Rausch, Ch. Serre
CERN, Meyrin, Switzerland
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The PS and SPS Accelerator Control Systems are becoming obsolete and need urgent rejuvenation. After a control users forum, where users expressed their needs, two main Working Groups were set up, consisting of Control and Equipment Specialists and experienced Machine Operators. One Working Group studied the architecture and the front-end processing and the other a common approach to the application software needed to run the CERN accelerator complex. The paper presents the technical conclusions of their work and the policy to implement it, taking into account the necessity to operate both machines without interruption of the Physics Program.
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| DOI • |
reference for this paper
※ doi:10.18429/JACoW-ICALEPCS1991-S02SRU02
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| About • |
Received ※ 11 November 1991 — Accepted ※ 20 November 1991 — Issued ※ 04 December 1992 |
|
| Cite • |
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| |
| S11LLC01 |
Replacing PS Controls Front End Minicomputers by VME Based 32-bit Processors |
375 |
| |
- A.G. Gagnaire, Ch. Serre, C.H. Sicard, N. de Metz-Noblat
CERN, Geneva, Switzerland
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The PS controls have started the first phase of system rejuvenation, targeted towards the LEP Preinjector Controls. The main impact of this phase is in the architectural change, as both the front-end minicomputers and the CAMAC embedded microprocessors are replaced by microprocessor based VME crates called Device Stub Controllers (DSC). This paper discusses the different steps planned for this first phase, i.e: - implementing the basic set of CERN Accelerator common facilities for DSCs (error handling, system surveillance, remote boot and network access); - porting the equipment access software layer; ¿ applying the Real-time tasks to the LynxOS operating system and J/O architecture, conforming to the real-time constraints for control and acquisition; - defining the number and contents of the different DSC needed, according to geographical and cpu-load constraints; - providing the general services outside the DSC crates (file servers, data-base services); - emulating the current Console programs onto the new workstations.
|
|
| DOI • |
reference for this paper
※ doi:10.18429/JACoW-ICALEPCS1991-S11LLC01
|
|
| About • |
Received ※ 11 November 1991 — Accepted ※ 20 November 1991 — Issued ※ 04 December 1992 |
|
| Cite • |
reference for this paper using
※ BibTeX,
※ LaTeX,
※ Text/Word,
※ RIS,
※ EndNote (xml)
|
|
| |