The services boards system for the LHCb muon detector (equalization, timing and monitoring of the 120k front end channels in the LHCb muon detector)

V. Bocci; G. Chiodi; F. Iacoangeli; F. Messi; S. Di Marco; R. Nobrega; D. Pinci; W. Rinaldi; A. Rossi

doi:10.1109/NSSMIC.2007.4436575

The services boards system for the LHCb muon detector (equalization, timing and monitoring of the 120k front end channels in the LHCb muon detector)

V. Bocci, G. Chiodi, F. Iacoangeli, F. Messi, S. Di Marco, R. Nobrega, D. Pinci, W. Rinaldi, A. Rossi

Istituto Nazionale di Fisica Nucleare

Research output: Chapter in Book/Report/Conference proceeding › Paper in conference proceeding › peer-review

Abstract

The LHCb experiment, presently under construction at CERN (European Center for Nuclear Research) Large Hadron Collider (LHC), aims at the study of CP violation in the B meson sector. Its key elements will be a Muon detector which allows triggering and muon identification from inclusive b decays. The electronic system of the whole detector is very complex and its Muon detector Experiment Control System (ECS) allows monitoring and control of a number of Front-End boards in excess of 7000. The Services Board System is in charge of controlling Muon detector Front-End (FE) Electronics. It consists of 10 Crates of equipment (6Ü height); each crate contains two kinds of modules: a Pulse Distribution Module (PDM) and up to 20 Service Boards (SB) connected via a custom Backplane. The PDM module is used to generate and distribute a low jitter synchronous test pulse in a chosen phase relation with the LHC machine clock, for timing alignment of the detector FE, a 40 MHz clock signal synchronous with LHC operation , and it allows distribution of 4 CANbus branches as well as routing of special messages to each SB using a custom data bus available on its backplane. A Service Board makes possible monitoring and control of Front-End (FE) circuitry, as well as communication between front-end electronics and the external world. Four Embedded Local Monitor Board (ELMB) modules, based on an 8-bit microcontroller (Atmel ATMega128), running customized firmware are hosted by one SB; they allow communication via twelve serial links with Front-End cards and are able to communicate with each other using their on-board links. Each Service Board controls 96 FE boards or, in other words, 1536 channels. One Service Board crate contains up to 80 microcontrollers, which can adjust and monitor operation of up to 30720 FE Channels. This work depicts the hardware architecture of each module, up to a complete system overview, also covering in detail those aspects of electronics design of equipment functioning in a radiation environment.

Original language	English
Title of host publication	2007 IEEE Nuclear Science Symposium and Medical Imaging Conference, NSS-MIC
Pages	2134-2140
Number of pages	7
Volume	3
DOIs	https://doi.org/10.1109/NSSMIC.2007.4436575
Publication status	Published - 2007
Externally published	Yes
Event	2007 IEEE Nuclear Science Symposium and Medical Imaging Conference, NSS-MIC - Honolulu, HI, United States Duration: 2007 Oct 27 → 2007 Nov 3

Conference

Conference	2007 IEEE Nuclear Science Symposium and Medical Imaging Conference, NSS-MIC
Country/Territory	United States
City	Honolulu, HI
Period	2007/10/27 → 2007/11/03

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10.1109/NSSMIC.2007.4436575

Cite this

Bocci, V., Chiodi, G., Iacoangeli, F., Messi, F., Di Marco, S., Nobrega, R., Pinci, D., Rinaldi, W., & Rossi, A. (2007). The services boards system for the LHCb muon detector (equalization, timing and monitoring of the 120k front end channels in the LHCb muon detector). In 2007 IEEE Nuclear Science Symposium and Medical Imaging Conference, NSS-MIC (Vol. 3, pp. 2134-2140). Article 4436575 https://doi.org/10.1109/NSSMIC.2007.4436575

@inproceedings{69d5401d653344c9b141337714778406,

title = "The services boards system for the LHCb muon detector (equalization, timing and monitoring of the 120k front end channels in the LHCb muon detector)",

abstract = "The LHCb experiment, presently under construction at CERN (European Center for Nuclear Research) Large Hadron Collider (LHC), aims at the study of CP violation in the B meson sector. Its key elements will be a Muon detector which allows triggering and muon identification from inclusive b decays. The electronic system of the whole detector is very complex and its Muon detector Experiment Control System (ECS) allows monitoring and control of a number of Front-End boards in excess of 7000. The Services Board System is in charge of controlling Muon detector Front-End (FE) Electronics. It consists of 10 Crates of equipment (6{\"U} height); each crate contains two kinds of modules: a Pulse Distribution Module (PDM) and up to 20 Service Boards (SB) connected via a custom Backplane. The PDM module is used to generate and distribute a low jitter synchronous test pulse in a chosen phase relation with the LHC machine clock, for timing alignment of the detector FE, a 40 MHz clock signal synchronous with LHC operation , and it allows distribution of 4 CANbus branches as well as routing of special messages to each SB using a custom data bus available on its backplane. A Service Board makes possible monitoring and control of Front-End (FE) circuitry, as well as communication between front-end electronics and the external world. Four Embedded Local Monitor Board (ELMB) modules, based on an 8-bit microcontroller (Atmel ATMega128), running customized firmware are hosted by one SB; they allow communication via twelve serial links with Front-End cards and are able to communicate with each other using their on-board links. Each Service Board controls 96 FE boards or, in other words, 1536 channels. One Service Board crate contains up to 80 microcontrollers, which can adjust and monitor operation of up to 30720 FE Channels. This work depicts the hardware architecture of each module, up to a complete system overview, also covering in detail those aspects of electronics design of equipment functioning in a radiation environment.",

author = "V. Bocci and G. Chiodi and F. Iacoangeli and F. Messi and {Di Marco}, S. and R. Nobrega and D. Pinci and W. Rinaldi and A. Rossi",

year = "2007",

doi = "10.1109/NSSMIC.2007.4436575",

language = "English",

isbn = "1424409233",

volume = "3",

pages = "2134--2140",

booktitle = "2007 IEEE Nuclear Science Symposium and Medical Imaging Conference, NSS-MIC",

note = "2007 IEEE Nuclear Science Symposium and Medical Imaging Conference, NSS-MIC ; Conference date: 27-10-2007 Through 03-11-2007",

}

Bocci, V, Chiodi, G, Iacoangeli, F, Messi, F, Di Marco, S, Nobrega, R, Pinci, D, Rinaldi, W & Rossi, A 2007, The services boards system for the LHCb muon detector (equalization, timing and monitoring of the 120k front end channels in the LHCb muon detector). in 2007 IEEE Nuclear Science Symposium and Medical Imaging Conference, NSS-MIC. vol. 3, 4436575, pp. 2134-2140, 2007 IEEE Nuclear Science Symposium and Medical Imaging Conference, NSS-MIC, Honolulu, HI, United States, 2007/10/27. https://doi.org/10.1109/NSSMIC.2007.4436575

The services boards system for the LHCb muon detector (equalization, timing and monitoring of the 120k front end channels in the LHCb muon detector). / Bocci, V.; Chiodi, G.; Iacoangeli, F. et al.
2007 IEEE Nuclear Science Symposium and Medical Imaging Conference, NSS-MIC. Vol. 3 2007. p. 2134-2140 4436575.

Research output: Chapter in Book/Report/Conference proceeding › Paper in conference proceeding › peer-review

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T1 - The services boards system for the LHCb muon detector (equalization, timing and monitoring of the 120k front end channels in the LHCb muon detector)

AU - Bocci, V.

AU - Chiodi, G.

AU - Iacoangeli, F.

AU - Messi, F.

AU - Di Marco, S.

AU - Nobrega, R.

AU - Pinci, D.

AU - Rinaldi, W.

AU - Rossi, A.

PY - 2007

Y1 - 2007

N2 - The LHCb experiment, presently under construction at CERN (European Center for Nuclear Research) Large Hadron Collider (LHC), aims at the study of CP violation in the B meson sector. Its key elements will be a Muon detector which allows triggering and muon identification from inclusive b decays. The electronic system of the whole detector is very complex and its Muon detector Experiment Control System (ECS) allows monitoring and control of a number of Front-End boards in excess of 7000. The Services Board System is in charge of controlling Muon detector Front-End (FE) Electronics. It consists of 10 Crates of equipment (6Ü height); each crate contains two kinds of modules: a Pulse Distribution Module (PDM) and up to 20 Service Boards (SB) connected via a custom Backplane. The PDM module is used to generate and distribute a low jitter synchronous test pulse in a chosen phase relation with the LHC machine clock, for timing alignment of the detector FE, a 40 MHz clock signal synchronous with LHC operation , and it allows distribution of 4 CANbus branches as well as routing of special messages to each SB using a custom data bus available on its backplane. A Service Board makes possible monitoring and control of Front-End (FE) circuitry, as well as communication between front-end electronics and the external world. Four Embedded Local Monitor Board (ELMB) modules, based on an 8-bit microcontroller (Atmel ATMega128), running customized firmware are hosted by one SB; they allow communication via twelve serial links with Front-End cards and are able to communicate with each other using their on-board links. Each Service Board controls 96 FE boards or, in other words, 1536 channels. One Service Board crate contains up to 80 microcontrollers, which can adjust and monitor operation of up to 30720 FE Channels. This work depicts the hardware architecture of each module, up to a complete system overview, also covering in detail those aspects of electronics design of equipment functioning in a radiation environment.

AB - The LHCb experiment, presently under construction at CERN (European Center for Nuclear Research) Large Hadron Collider (LHC), aims at the study of CP violation in the B meson sector. Its key elements will be a Muon detector which allows triggering and muon identification from inclusive b decays. The electronic system of the whole detector is very complex and its Muon detector Experiment Control System (ECS) allows monitoring and control of a number of Front-End boards in excess of 7000. The Services Board System is in charge of controlling Muon detector Front-End (FE) Electronics. It consists of 10 Crates of equipment (6Ü height); each crate contains two kinds of modules: a Pulse Distribution Module (PDM) and up to 20 Service Boards (SB) connected via a custom Backplane. The PDM module is used to generate and distribute a low jitter synchronous test pulse in a chosen phase relation with the LHC machine clock, for timing alignment of the detector FE, a 40 MHz clock signal synchronous with LHC operation , and it allows distribution of 4 CANbus branches as well as routing of special messages to each SB using a custom data bus available on its backplane. A Service Board makes possible monitoring and control of Front-End (FE) circuitry, as well as communication between front-end electronics and the external world. Four Embedded Local Monitor Board (ELMB) modules, based on an 8-bit microcontroller (Atmel ATMega128), running customized firmware are hosted by one SB; they allow communication via twelve serial links with Front-End cards and are able to communicate with each other using their on-board links. Each Service Board controls 96 FE boards or, in other words, 1536 channels. One Service Board crate contains up to 80 microcontrollers, which can adjust and monitor operation of up to 30720 FE Channels. This work depicts the hardware architecture of each module, up to a complete system overview, also covering in detail those aspects of electronics design of equipment functioning in a radiation environment.

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M3 - Paper in conference proceeding

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SN - 1424409233

SN - 9781424409235

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BT - 2007 IEEE Nuclear Science Symposium and Medical Imaging Conference, NSS-MIC

T2 - 2007 IEEE Nuclear Science Symposium and Medical Imaging Conference, NSS-MIC

Y2 - 27 October 2007 through 3 November 2007

ER -

The services boards system for the LHCb muon detector (equalization, timing and monitoring of the 120k front end channels in the LHCb muon detector)

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