DE3752283D1 - Analoger messumformer mit digitaler steuerung - Google Patents

Analoger messumformer mit digitaler steuerung

Info

Publication number
DE3752283D1
DE3752283D1 DE3752283T DE3752283T DE3752283D1 DE 3752283 D1 DE3752283 D1 DE 3752283D1 DE 3752283 T DE3752283 T DE 3752283T DE 3752283 T DE3752283 T DE 3752283T DE 3752283 D1 DE3752283 D1 DE 3752283D1
Authority
DE
Germany
Prior art keywords
analog
digital control
converter
signal processing
processing circuitry
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 - Lifetime
Application number
DE3752283T
Other languages
German (de)
English (en)
Inventor
Roger Frick
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.)
Rosemount Inc
Original Assignee
Rosemount Inc
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 Rosemount Inc filed Critical Rosemount Inc
Application granted granted Critical
Publication of DE3752283D1 publication Critical patent/DE3752283D1/de
Anticipated expiration legal-status Critical
Expired - Lifetime 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
DE3752283T 1986-08-22 1987-08-12 Analoger messumformer mit digitaler steuerung Expired - Lifetime DE3752283D1 (de)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
US89937886A 1986-08-22 1986-08-22
PCT/US1987/001942 WO1988001417A1 (fr) 1986-08-22 1987-08-12 Circuit transducteur analogique a commande numerique

Publications (1)

Publication Number Publication Date
DE3752283D1 true DE3752283D1 (de) 1999-07-29

Family

ID=25410872

Family Applications (1)

Application Number Title Priority Date Filing Date
DE3752283T Expired - Lifetime DE3752283D1 (de) 1986-08-22 1987-08-12 Analoger messumformer mit digitaler steuerung

Country Status (5)

Country Link
EP (1) EP0328520B1 (fr)
AT (1) ATE181611T1 (fr)
CA (1) CA1300924C (fr)
DE (1) DE3752283D1 (fr)
WO (1) WO1988001417A1 (fr)

Families Citing this family (28)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE4016922C3 (de) * 1990-05-25 1998-05-20 Schoppe & Faeser Gmbh Elektrischer Meßumformer nach dem Zwei-Draht-Verfahren
GB2247318B (en) * 1990-08-20 1994-08-10 Rosemount Ltd A transmitter
AU2658192A (en) * 1991-09-30 1993-05-03 Milltronics Ltd. Calibration system for measurement instruments
US5416723A (en) * 1993-03-03 1995-05-16 Milltronics Ltd. Loop powered process control transmitter
SG44494A1 (en) * 1993-09-07 1997-12-19 R0Semount Inc Multivariable transmitter
US5606513A (en) * 1993-09-20 1997-02-25 Rosemount Inc. Transmitter having input for receiving a process variable from a remote sensor
US5936514A (en) * 1996-09-27 1999-08-10 Rosemount Inc. Power supply input circuit for field instrument
DE19905071A1 (de) * 1999-02-08 2000-08-10 Siemens Ag Meßumformer sowie Verfahren zur Diagnose der Versorgung eines Meßumformers
DE19930661A1 (de) * 1999-07-02 2001-01-18 Siemens Ag Meßumformer
US6643610B1 (en) 1999-09-24 2003-11-04 Rosemount Inc. Process transmitter with orthogonal-polynomial fitting
DE19964002A1 (de) 1999-12-30 2001-07-12 Micronas Gmbh Sensor
DE10037996C2 (de) * 2000-08-03 2003-04-17 Siemens Ag Elektronisches Gerät, insbesondere Feldgerät
DE10102791B4 (de) * 2001-01-22 2004-04-15 Ifm Electronic Gmbh Elektrischer Meßumformer
DE10202028A1 (de) * 2002-01-18 2003-07-24 Endress & Hauser Gmbh & Co Kg Transmitter
DE102005020870B4 (de) * 2005-02-10 2014-05-22 Continental Automotive Gmbh Sensorschaltung
DE102005020199B3 (de) * 2005-04-28 2006-09-21 Peter Wieninger Verfahren zur Eichung eines Schaltkreises mit einem Sensorsystem mit aktiver Halbleiterschaltung
US20060265105A1 (en) * 2005-05-20 2006-11-23 Hughes Albert R Loop-powered field instrument
US7480487B2 (en) 2005-05-20 2009-01-20 Dresser, Inc. Power regulation for field instruments
US7461562B2 (en) 2006-08-29 2008-12-09 Rosemount Inc. Process device with density measurement
WO2008042290A2 (fr) 2006-09-29 2008-04-10 Rosemount Inc. Débitmètre électromagnétique équipé d'un moyen de vérification
FI121101B (fi) * 2007-01-22 2010-06-30 Abb Oy Laite analogisen virta- tai jännitesignaalin tuottamiseksi
DE102007046560A1 (de) * 2007-09-28 2009-04-02 Siemens Ag Feldgerät mit einem Analogausgang
RU2466357C2 (ru) 2008-05-23 2012-11-10 Роузмаунт, Инк. Многопараметрическое устройство регулирования потока технологического флюида с вычислением потока энергии
DE102008050354A1 (de) * 2008-10-02 2010-04-08 Siemens Aktiengesellschaft Messumformer
DE102008057474B4 (de) 2008-11-14 2012-08-02 Kg Transmitter Components Gmbh Meßumformer
US8340791B2 (en) 2009-10-01 2012-12-25 Rosemount Inc. Process device with sampling skew
US8334788B2 (en) 2010-03-04 2012-12-18 Rosemount Inc. Process variable transmitter with display
US9121743B2 (en) 2012-05-31 2015-09-01 Rosemount Inc. Process variable transmitter system with analog communication

Family Cites Families (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US604566A (en) * 1898-05-24 Machine for separating fine gold flakes from sand
US4001813A (en) * 1975-07-02 1977-01-04 The Bendix Corporation Precision capacitance to digital conversion system
US4494183A (en) * 1982-06-17 1985-01-15 Honeywell Inc. Process variable transmitter having a non-interacting operating range adjustment
US4567466A (en) * 1982-12-08 1986-01-28 Honeywell Inc. Sensor communication system
US4604566A (en) * 1985-08-07 1986-08-05 The Babcock & Wilcox Company Voltage pulse to current regulating convertor

Also Published As

Publication number Publication date
EP0328520B1 (fr) 1999-06-23
EP0328520A1 (fr) 1989-08-23
ATE181611T1 (de) 1999-07-15
EP0328520A4 (fr) 1989-10-04
CA1300924C (fr) 1992-05-19
WO1988001417A1 (fr) 1988-02-25

Similar Documents

Publication Publication Date Title
DE3752283D1 (de) Analoger messumformer mit digitaler steuerung
DE3852607T2 (de) Frequenzabhängiger Schrittmacher mit variabler Hysteresefrequenz.
CA2010758A1 (fr) Commande de modification de temperature et d'humidite
DE69229753T2 (de) Sofortige Fehlerkorrektur mit eingebettetem digitalen Steuerungsgerät
DE69220192D1 (de) Analog-/Digitalwandler mit automatischer Messbereichssteuerung
DE3886946T2 (de) Turbulenzsensor mit taumelnd gelagerter zunge.
DE68909894D1 (de) Druckmessfühler mit flexibler gedruckter Schaltung.
IL86973A (en) Angular rate sensor with phase shift correction
TW358835B (en) Godet unit for heating and advancing yarns
DE3774345D1 (de) Druckregler mit integriertem fuehler.
DE3687388D1 (de) Herzschrittmacher.
DE68923560D1 (de) Ablenkkorrektursystem mit Speicherabbildung.
MX160488A (es) Mejoras en transmisor de valor de parametro
NZ185176A (en) Tvfunction control with correction signal from synchronousdetector
DE69017934T2 (de) Verstärkungsschaltung mit linearer Steuerung der Verstärkung.
FI850248L (fi) Kopplingsanordning foer digital nivaoreglering.
DE69221913T2 (de) Kathodenklemmschaltungsanordnung mit digitalen Steuerung
ATE126885T1 (de) Schaltung zur steuerung des einstellungspunktes in einer infrarot-gasanalysiervorrichtung.
DE3873670T2 (de) Richtungsbestimmender sensor mit bestimmung des empfangsignalverhaeltnisses.
JPS5563403A (en) Automatic direction control system in transplanter
SE8505741L (sv) Temperaturregulator for en uppvermningsanleggning
JPS6412893A (en) Control device of synchronous motor
DE3881154D1 (de) Steuerung fuer eine brennstoffbeheizte waermequelle.
JPS644971A (en) Write compensation circuit
Utkin Autonomy in multivariable systems with discontinuous controls.

Legal Events

Date Code Title Description
8332 No legal effect for de