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Journal of Instrumentation Volume 3 January 2008 Create an alert RSS this journal

R Cranfield et al 2008 JINST 3 T01002 doi:10.1088/1748-0221/3/01/T01002

The ATLAS ROBIN

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R Cranfield7, G Crone7, D Francis1, B Gorini1, B Green2, M Joos1, G Kieft4, A Kugel3, A Misiejuk2, M Müller3, V Perera5, J Petersen1, J Strong2, P Teixeira-Dias2, L Tremblet1, J Vermeulen4, F Wickens5, M Yu3 and G Unel1,6

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Abstract References Cited By
The ATLAS readout subsystem is the main interface between ~ 1600 detector front-end readout links and the higher-level trigger farms. To handle the high event rate (up to 100 kHz) and bandwidth (up to 160 MB/s per link) the readout PCs are equipped with four ROBIN (readout buffer input) cards. Each ROBIN attaches to three optical links, provides local event buffering for approximately 300 ms and communicates with the higher-level trigger system for data and delete requests. According to the ATLAS baseline architecture this communication runs via the PCI bus of the host PC. In addition, each ROBIN provides a private Gigabit Ethernet port which can be used for the same purpose. Operational monitoring is performed via PCI. This paper presents a summary of the ROBIN hardware and software together with measurements results obtained from various test setups.

Keywords

Digital electronic circuits

Data acquisition concepts

Data acquisition circuits

PACS

29.40.Gx Tracking and position-sensitive detectors

29.50.+v Computer interfaces

84.30.-r Electronic circuits

Subjects

Accelerators, beams and electromagnetism

Electronics and devices

Nuclear physics

Instrumentation and measurement

Particle physics and field theory

Dates

Issue 01 (January 2008)

Received 26 October 2007, accepted for publication 14 December 2007

Published 28 January 2008



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