DK0817149T3 - Kredsløb til overførsel af en målestrøm fra en i sig selv sikker sensor til et i sig selv ikke sikkert område - Google Patents

Kredsløb til overførsel af en målestrøm fra en i sig selv sikker sensor til et i sig selv ikke sikkert område

Info

Publication number
DK0817149T3
DK0817149T3 DK97109825T DK97109825T DK0817149T3 DK 0817149 T3 DK0817149 T3 DK 0817149T3 DK 97109825 T DK97109825 T DK 97109825T DK 97109825 T DK97109825 T DK 97109825T DK 0817149 T3 DK0817149 T3 DK 0817149T3
Authority
DK
Denmark
Prior art keywords
intrinsically safe
sensor
transferring
circuits
measuring current
Prior art date
Application number
DK97109825T
Other languages
Danish (da)
English (en)
Inventor
Robert Ahr
Original Assignee
Endress & Hauser Wetzer Gmbh
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 Endress & Hauser Wetzer Gmbh filed Critical Endress & Hauser Wetzer Gmbh
Application granted granted Critical
Publication of DK0817149T3 publication Critical patent/DK0817149T3/da

Links

Classifications

    • G—PHYSICS
    • G08—SIGNALLING
    • G08C—TRANSMISSION SYSTEMS FOR MEASURED VALUES, CONTROL OR SIMILAR SIGNALS
    • G08C19/00—Electric signal transmission systems
    • G08C19/02—Electric signal transmission systems in which the signal transmitted is magnitude of current or voltage

Landscapes

  • Physics & Mathematics (AREA)
  • General Physics & Mathematics (AREA)
  • Arrangements For Transmission Of Measured Signals (AREA)
  • Measuring Instrument Details And Bridges, And Automatic Balancing Devices (AREA)
DK97109825T 1996-06-28 1997-06-17 Kredsløb til overførsel af en målestrøm fra en i sig selv sikker sensor til et i sig selv ikke sikkert område DK0817149T3 (da)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
EP96110541 1996-06-28

Publications (1)

Publication Number Publication Date
DK0817149T3 true DK0817149T3 (da) 1999-11-15

Family

ID=8222956

Family Applications (1)

Application Number Title Priority Date Filing Date
DK97109825T DK0817149T3 (da) 1996-06-28 1997-06-17 Kredsløb til overførsel af en målestrøm fra en i sig selv sikker sensor til et i sig selv ikke sikkert område

Country Status (7)

Country Link
US (1) US5907292A (de)
EP (1) EP0817149B1 (de)
AT (1) ATE180085T1 (de)
CA (1) CA2209208C (de)
DE (1) DE59700161D1 (de)
DK (1) DK0817149T3 (de)
ES (1) ES2134046T3 (de)

Families Citing this family (10)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US6141194A (en) * 1998-09-22 2000-10-31 Simmonds Precision Products, Inc. Aircraft fuel tank protective barrier and method
CA2277686A1 (en) * 1999-07-14 2001-01-14 Milltronics Ltd. An intrinsically safe universal switching power supply
ATE451603T1 (de) * 2001-06-19 2009-12-15 Flowtec Ag Viskositäts-messgerät
EP1296128A1 (de) * 2001-09-21 2003-03-26 Endress + Hauser Flowtec AG Viskositäts-Messgerät
US6970100B2 (en) * 2001-07-05 2005-11-29 Long Range Systems, Inc. Temperature tag and system for monitoring, recording, and reporting temperature readings
DE10253603A1 (de) * 2002-11-15 2004-06-03 Endress + Hauser Conducta Gesellschaft für Mess- und Regeltechnik mbH + Co. KG Verfahren zum Erzeugen von Softwaremodulen für Feldgeräte der Prozessautomatisierungstechnik
DE10255741A1 (de) * 2002-11-28 2004-06-09 Endress + Hauser Conducta Gesellschaft für Mess- und Regeltechnik mbH + Co. KG Modularer Messumformer mit galvanisch getrennten Messfühler
DE102006009506B4 (de) * 2006-02-27 2010-09-23 Phoenix Contact Gmbh & Co. Kg Bidirektionaler, galvanisch getrennter Übertragungskanal
DE102014112452B4 (de) 2014-08-29 2022-03-31 Endress + Hauser Flowtec Ag Explosionsschutzschaltung mit Impedanzanpassung
AT516903B1 (de) * 2015-03-09 2020-10-15 Fronius Int Gmbh Schaltungsanordnung mit Transformator mit Mittelpunktanzapfung und Messung der Ausgangsspannung

Family Cites Families (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3764880A (en) * 1972-05-08 1973-10-09 Rosemount Inc Two-wire current transmitter with isolated transducer circuit
DE2701184A1 (de) * 1977-01-13 1978-07-27 Endress Hauser Gmbh Co Schaltungsanordnung zur uebertragung von messwertsignalen
CH620537A5 (en) * 1977-03-03 1980-11-28 Bauer Messinstrumente Ag Device for reducing losses and thus for improving the transfer characteristic at a measurement-value transformer
US4532510A (en) * 1982-06-24 1985-07-30 Sereg, S.A. Measuring apparatus having a sensor located remotely from its electricity power supply
DE3526997A1 (de) * 1984-07-28 1986-02-06 Knick Elektronische Meßgeräte GmbH & Co, 1000 Berlin Gleichstrom-uebertragungsschaltung
US4725839A (en) * 1984-12-21 1988-02-16 Ferranti Subsea Systems, Ltd. Remote, inductively coupled, transducer interface
DE3812861A1 (de) * 1988-04-18 1989-10-26 Siemens Ag Eigensichere stromversorgungseinrichtung

Also Published As

Publication number Publication date
DE59700161D1 (de) 1999-06-17
ATE180085T1 (de) 1999-05-15
CA2209208C (en) 2000-09-12
CA2209208A1 (en) 1997-12-28
EP0817149B1 (de) 1999-05-12
ES2134046T3 (es) 1999-09-16
EP0817149A1 (de) 1998-01-07
US5907292A (en) 1999-05-25

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