CA2406752A1 - Instrumentation numerique - Google Patents

Instrumentation numerique Download PDF

Info

Publication number
CA2406752A1
CA2406752A1 CA002406752A CA2406752A CA2406752A1 CA 2406752 A1 CA2406752 A1 CA 2406752A1 CA 002406752 A CA002406752 A CA 002406752A CA 2406752 A CA2406752 A CA 2406752A CA 2406752 A1 CA2406752 A1 CA 2406752A1
Authority
CA
Canada
Prior art keywords
power
voltage
limiting means
limiting
instruments
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Abandoned
Application number
CA002406752A
Other languages
English (en)
Inventor
Renato Brian Kitchener
Stephen Mark Ramsay
Keith Romilly Roskrudge Bowden
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Hubbell Ltd
Original Assignee
Individual
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by Individual filed Critical Individual
Publication of CA2406752A1 publication Critical patent/CA2406752A1/fr
Abandoned legal-status Critical Current

Links

Classifications

    • H—ELECTRICITY
    • H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
    • H02H—EMERGENCY PROTECTIVE CIRCUIT ARRANGEMENTS
    • H02H9/00—Emergency protective circuit arrangements for limiting excess current or voltage without disconnection
    • H02H9/008—Intrinsically safe circuits

Landscapes

  • Emergency Protection Circuit Devices (AREA)
  • Arrangements For Transmission Of Measured Signals (AREA)
  • Safety Devices In Control Systems (AREA)

Abstract

Cette invention concerne un système d'instrumentation numérique comportant un dispositif d'alimentation (36) qui fournit de l'énergie à au moins un instrument (3) implanté dans une zone dangereuse (5). Dans cette zone dangereuse se trouve également un dispositif de limitation d'énergie (27) qui limite l'énergie fournie à chacun des instruments (3).
CA002406752A 2000-04-25 2001-04-26 Instrumentation numerique Abandoned CA2406752A1 (fr)

Applications Claiming Priority (3)

Application Number Priority Date Filing Date Title
GB0010010A GB0010010D0 (en) 2000-04-25 2000-04-25 Digital instrumentation
GB0010010.7 2000-04-26
PCT/GB2001/001847 WO2001082442A1 (fr) 2000-04-25 2001-04-26 Instrumentation numerique

Publications (1)

Publication Number Publication Date
CA2406752A1 true CA2406752A1 (fr) 2001-11-01

Family

ID=9890444

Family Applications (1)

Application Number Title Priority Date Filing Date
CA002406752A Abandoned CA2406752A1 (fr) 2000-04-25 2001-04-26 Instrumentation numerique

Country Status (8)

Country Link
EP (1) EP1277265A1 (fr)
JP (1) JP2003532209A (fr)
CN (1) CN1426620A (fr)
AU (1) AU5236001A (fr)
BR (1) BR0110285A (fr)
CA (1) CA2406752A1 (fr)
GB (1) GB0010010D0 (fr)
WO (1) WO2001082442A1 (fr)

Families Citing this family (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE102013103627A1 (de) * 2013-04-11 2014-10-16 Endress + Hauser Flowtec Ag Feldgerät mit einer Schutzschaltung
EP3629016B1 (fr) * 2018-09-28 2023-06-14 Siemens Aktiengesellschaft Analyseur de fluide

Family Cites Families (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE4403961C2 (de) * 1994-02-04 1997-07-03 Hartmann & Braun Ag Speisesystem für einen eigensicheren Feldbus
DE4407117A1 (de) * 1994-03-04 1995-09-07 Licentia Gmbh Anordnung zur eigensicheren Stromversorgung von elektrischen Verbrauchern, insbesondere mit langen Einspeiseleitungen
WO1999045621A1 (fr) * 1998-03-06 1999-09-10 Abb Patent Gmbh Systeme de bus de terrain a repartiteur de bus de terrain

Also Published As

Publication number Publication date
JP2003532209A (ja) 2003-10-28
BR0110285A (pt) 2003-03-05
EP1277265A1 (fr) 2003-01-22
CN1426620A (zh) 2003-06-25
GB0010010D0 (en) 2000-06-14
AU5236001A (en) 2001-11-07
WO2001082442A1 (fr) 2001-11-01

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Legal Events

Date Code Title Description
FZDE Discontinued