CA1311032C - Systeme de telemesure a deux fils comportant un dispositif emetteur a alimentation stabilisee - Google Patents

Systeme de telemesure a deux fils comportant un dispositif emetteur a alimentation stabilisee

Info

Publication number
CA1311032C
CA1311032C CA000614353A CA614353A CA1311032C CA 1311032 C CA1311032 C CA 1311032C CA 000614353 A CA000614353 A CA 000614353A CA 614353 A CA614353 A CA 614353A CA 1311032 C CA1311032 C CA 1311032C
Authority
CA
Canada
Prior art keywords
power
transmitting device
voltage
current
line
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.)
Expired - Fee Related
Application number
CA000614353A
Other languages
English (en)
Inventor
Stanley Chlebda
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.)
Fischer and Porter Co
Original Assignee
Fischer and Porter Co
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 Fischer and Porter Co filed Critical Fischer and Porter Co
Application granted granted Critical
Publication of CA1311032C publication Critical patent/CA1311032C/fr
Anticipated expiration legal-status Critical
Expired - Fee Related legal-status Critical Current

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
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04B—TRANSMISSION
    • H04B3/00—Line transmission systems
    • H04B3/54—Systems for transmission via power distribution lines
    • H04B3/548—Systems for transmission via power distribution lines the power on the line being DC
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04B—TRANSMISSION
    • H04B2203/00—Indexing scheme relating to line transmission systems
    • H04B2203/54—Aspects of powerline communications not already covered by H04B3/54 and its subgroups
    • H04B2203/5429—Applications for powerline communications
    • H04B2203/5433—Remote metering
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04B—TRANSMISSION
    • H04B2203/00—Indexing scheme relating to line transmission systems
    • H04B2203/54—Aspects of powerline communications not already covered by H04B3/54 and its subgroups
    • H04B2203/5429—Applications for powerline communications
    • H04B2203/5458—Monitor sensor; Alarm systems
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04B—TRANSMISSION
    • H04B2203/00—Indexing scheme relating to line transmission systems
    • H04B2203/54—Aspects of powerline communications not already covered by H04B3/54 and its subgroups
    • H04B2203/5462—Systems for power line communications
    • H04B2203/547—Systems for power line communications via DC power distribution

Landscapes

  • Engineering & Computer Science (AREA)
  • Physics & Mathematics (AREA)
  • General Physics & Mathematics (AREA)
  • Power Engineering (AREA)
  • Computer Networks & Wireless Communication (AREA)
  • Signal Processing (AREA)
  • Arrangements For Transmission Of Measured Signals (AREA)
  • Cable Transmission Systems, Equalization Of Radio And Reduction Of Echo (AREA)
CA000614353A 1989-03-31 1989-09-28 Systeme de telemesure a deux fils comportant un dispositif emetteur a alimentation stabilisee Expired - Fee Related CA1311032C (fr)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
US33122989A 1989-03-31 1989-03-31
US331229 1989-03-31

Publications (1)

Publication Number Publication Date
CA1311032C true CA1311032C (fr) 1992-12-01

Family

ID=23293114

Family Applications (1)

Application Number Title Priority Date Filing Date
CA000614353A Expired - Fee Related CA1311032C (fr) 1989-03-31 1989-09-28 Systeme de telemesure a deux fils comportant un dispositif emetteur a alimentation stabilisee

Country Status (4)

Country Link
CA (1) CA1311032C (fr)
DE (1) DE3934007C2 (fr)
FR (1) FR2645308A1 (fr)
GB (1) GB2229897A (fr)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US6539794B1 (en) 1994-02-18 2003-04-01 Johanngeorg Otto Arrangement for measuring the level of contents in a container

Families Citing this family (35)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE487874T1 (de) * 1990-11-30 1992-10-15 Yokogawa Electric Corp., Musashino, Tokio/Tokyo Signalgestalter.
DE4121961A1 (de) * 1991-06-28 1993-01-07 Siemens Ag Schaltungsanordnung zur energieversorgung von feldgeraeten
IT1254843B (it) * 1992-03-25 1995-10-11 Nuovo Pignone Spa Termostato ambiente perfezionato,particolarmente adatto per caldaie murali
US5416723A (en) * 1993-03-03 1995-05-16 Milltronics Ltd. Loop powered process control transmitter
DE4307082A1 (de) * 1993-03-06 1994-09-08 Guetermann & Co Verfahren und Vorrichtung zur elektronischen Mengenerfassung an Verkaufsgeräten
US5535243A (en) * 1994-07-13 1996-07-09 Rosemount Inc. Power supply for field mounted transmitter
DE19723645B4 (de) * 1997-06-05 2006-04-13 Endress + Hauser Gmbh + Co. Kg Anordnung zur Signalübertragung zwischen einer Geberstelle und einer Empfangsstelle
US5959372A (en) * 1997-07-21 1999-09-28 Emerson Electric Co. Power management circuit
DE19925943A1 (de) * 1999-06-08 2000-12-21 Krohne Messtechnik Kg Schaltungsanordnung zur Meßwerterfassung, -übertragung und -auswertung
US6684340B1 (en) 1999-10-07 2004-01-27 Endress + Hauser Gmbh + Co. Measuring instrument having two pairs of lines connected to two indentical pairs of terminals, via which signal current flows through one pair and supply current flows through the other pair
EP1091332B1 (fr) * 1999-10-07 2006-03-01 Endress + Hauser GmbH + Co. KG Système et Instrument de mesure performant à deux double conducteurs
DE10034685B4 (de) * 2000-07-17 2010-07-08 Vega Grieshaber Kg Energiesparschaltung
DE10258965B4 (de) * 2002-12-16 2007-06-21 Endress + Hauser Gmbh + Co. Kg Vorrichtung zur Optimierung der Leistungsbilanz eines Sensors für die Bestimmung und/oder Überwachung einer physikalischen Prozessgröße eines Mediums
EP1471641A1 (fr) 2003-04-25 2004-10-27 Siemens Aktiengesellschaft Circuit de contrôle d'entrée pour un appareil électrique
US7187158B2 (en) 2004-04-15 2007-03-06 Rosemount, Inc. Process device with switching power supply
DE102004021750A1 (de) * 2004-04-30 2005-12-01 Endress + Hauser Conducta Gesellschaft für Mess- und Regeltechnik mbH + Co. KG Verfahren zur Signalisierung von Alarmzuständen an einem Feldgerät der Automatisierungstechnik
DE102005009459A1 (de) * 2005-01-26 2006-07-27 Ranft, Georg, Dr. Schaltungsanordnung für eine Ausgangsstufe an analogen Transmittern
DE102007006503B4 (de) * 2007-02-09 2009-02-19 Werner Turck Gmbh & Co. Kg Signaltrenner
DE102007021099A1 (de) 2007-05-03 2008-11-13 Endress + Hauser (Deutschland) Ag + Co. Kg Verfahren zum Inbetriebnehmen und/oder Rekonfigurieren eines programmierbaren Feldmeßgeräts
EP2045791B1 (fr) 2007-10-01 2014-01-15 Siemens Aktiengesellschaft Dispositif électronique
DE102007058608A1 (de) 2007-12-04 2009-06-10 Endress + Hauser Flowtec Ag Elektrisches Gerät
US7970063B2 (en) 2008-03-10 2011-06-28 Rosemount Inc. Variable liftoff voltage process field device
DE102008022373A1 (de) 2008-05-06 2009-11-12 Endress + Hauser Flowtec Ag Meßgerät sowie Verfahren zum Überwachen eines Meßgeräts
CN102859852B (zh) 2010-04-19 2015-11-25 恩德斯+豪斯流量技术股份有限公司 测量变换器的驱动电路及由该驱动电路形成的测量***
DE202010006553U1 (de) 2010-05-06 2011-10-05 Endress + Hauser Flowtec Ag Elektronisches Meßgerät mit einem Optokoppler
US8786128B2 (en) 2010-05-11 2014-07-22 Rosemount Inc. Two-wire industrial process field device with power scavenging
DE102010030924A1 (de) 2010-06-21 2011-12-22 Endress + Hauser Flowtec Ag Elektronik-Gehäuse für ein elektronisches Gerät bzw. damit gebildetes Gerät
DE102011076838A1 (de) 2011-05-31 2012-12-06 Endress + Hauser Flowtec Ag Meßgerät-Elektronik für ein Meßgerät-Gerät sowie damit gebildetes Meßgerät-Gerät
DE102013100799A1 (de) 2012-12-21 2014-06-26 Endress + Hauser Flowtec Ag Umformerschaltung mit einer Stromschnittstelle sowie Meßgerät mit einer solchen Umformerschaltung
DE102013109096A1 (de) 2013-08-22 2015-02-26 Endress + Hauser Flowtec Ag Gegen Manipulation geschütztes elektronisches Gerät
DE102014100693A1 (de) 2014-01-22 2015-07-23 Phoenix Contact Gmbh & Co. Kg Signaltrenner
DE102014108107A1 (de) 2014-06-10 2015-12-17 Endress + Hauser Flowtec Ag Spulenanordnung sowie damit gebildeter elektromechanischer Schalter bzw. Meßumformer
DE102016114860A1 (de) 2016-08-10 2018-02-15 Endress + Hauser Flowtec Ag Treiberschaltung sowie damit gebildete Umformer-Elektronik bzw. damit gebildetes Meßsystem
DE102018126808A1 (de) * 2018-10-26 2020-04-30 Krohne Messtechnik Gmbh Feldmessgerät
DE102022119145A1 (de) 2022-07-29 2024-02-01 Endress+Hauser Flowtec Ag Anschlussschaltung für ein Feldgerät und Feldgerät

Family Cites Families (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE2445337C2 (de) * 1974-09-23 1986-05-15 Philips Patentverwaltung Gmbh, 2000 Hamburg Schaltungsanordnung zur Übertragung von elektrischen Meßwertsignalen
US4084155A (en) * 1976-10-05 1978-04-11 Fischer & Porter Co. Two-wire transmitter with totalizing counter
US4158765A (en) * 1977-11-08 1979-06-19 Fischer & Porter Co. Totalizer for two-wire transmitter
US4339750A (en) * 1980-08-20 1982-07-13 Rosemount Inc. Low power transmitter
US4527896A (en) * 1982-03-04 1985-07-09 Mikron Instrument Company, Inc. Infrared transducer-transmitter for non-contact temperature measurement
DE3615452A1 (de) * 1986-05-07 1987-11-26 Endress Hauser Gmbh Co Anordnung zur signaluebertragung in einer messanordnung

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US6539794B1 (en) 1994-02-18 2003-04-01 Johanngeorg Otto Arrangement for measuring the level of contents in a container

Also Published As

Publication number Publication date
GB8922271D0 (en) 1989-11-15
GB2229897A (en) 1990-10-03
DE3934007C2 (de) 1996-10-31
FR2645308A1 (fr) 1990-10-05
DE3934007A1 (de) 1990-10-04

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