DE3750297T2 - Digitalwandlergerät zur verbesserung des ausgangs eines zweidrahtsenders. - Google Patents

Digitalwandlergerät zur verbesserung des ausgangs eines zweidrahtsenders.

Info

Publication number
DE3750297T2
DE3750297T2 DE3750297T DE3750297T DE3750297T2 DE 3750297 T2 DE3750297 T2 DE 3750297T2 DE 3750297 T DE3750297 T DE 3750297T DE 3750297 T DE3750297 T DE 3750297T DE 3750297 T2 DE3750297 T2 DE 3750297T2
Authority
DE
Germany
Prior art keywords
output
digital converter
improve
wire transmitter
transmitter
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
DE3750297T
Other languages
English (en)
Other versions
DE3750297D1 (de
Inventor
John Kielb
Richard Nelson
David Pederson
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
Publication of DE3750297D1 publication Critical patent/DE3750297D1/de
Application granted granted Critical
Publication of DE3750297T2 publication Critical patent/DE3750297T2/de
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
    • G08C19/04—Electric signal transmission systems in which the signal transmitted is magnitude of current or voltage using variable resistance
    • 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
DE3750297T 1986-10-02 1987-09-24 Digitalwandlergerät zur verbesserung des ausgangs eines zweidrahtsenders. Expired - Fee Related DE3750297T2 (de)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
US91464886A 1986-10-02 1986-10-02
PCT/US1987/002448 WO1988002528A1 (en) 1986-10-02 1987-09-24 Digital converter apparatus for improving the output of a two-wire transmitter

Publications (2)

Publication Number Publication Date
DE3750297D1 DE3750297D1 (de) 1994-09-01
DE3750297T2 true DE3750297T2 (de) 1994-12-15

Family

ID=25434614

Family Applications (1)

Application Number Title Priority Date Filing Date
DE3750297T Expired - Fee Related DE3750297T2 (de) 1986-10-02 1987-09-24 Digitalwandlergerät zur verbesserung des ausgangs eines zweidrahtsenders.

Country Status (18)

Country Link
EP (1) EP0324784B1 (de)
JP (1) JP2529874B2 (de)
KR (1) KR960014487B1 (de)
CN (1) CN1014450B (de)
AT (1) ATE109295T1 (de)
AU (1) AU611649B2 (de)
CA (1) CA1334994C (de)
DE (1) DE3750297T2 (de)
DK (1) DK171303B1 (de)
ES (1) ES2005363A6 (de)
HK (1) HK135094A (de)
IL (1) IL84004A (de)
IN (1) IN170265B (de)
MX (1) MX160488A (de)
NO (1) NO300566B1 (de)
WO (1) WO1988002528A1 (de)
YU (1) YU183987A (de)
ZA (1) ZA877271B (de)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE102008050354A1 (de) * 2008-10-02 2010-04-08 Siemens Aktiengesellschaft Messumformer

Families Citing this family (10)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE59814313D1 (de) 1998-09-07 2008-12-11 Endress & Hauser Gmbh & Co Kg endestation
DE19930661A1 (de) * 1999-07-02 2001-01-18 Siemens Ag Meßumformer
KR101171509B1 (ko) * 2007-09-12 2012-08-09 발레리 바실리에비치 오브친니코프 이산적 전기 신호들을 송신하기 위한 방법
US9217653B2 (en) 2007-09-13 2015-12-22 Rosemount Inc. High performance architecture for process transmitters
US9281088B2 (en) * 2010-06-07 2016-03-08 Rosemount Inc. Instrument for nuclear power facility
US8578783B2 (en) * 2011-09-26 2013-11-12 Rosemount Inc. Process fluid pressure transmitter with separated sensor and sensor electronics
RU2546576C2 (ru) * 2012-06-05 2015-04-10 Федеральное государственное бюджетное учреждение науки Институт программных систем им. А.К. Айламазяна Российской академии наук (ИПС им. А.К. Айламазяна РАН) ПРИЕМОПЕРЕДАТЧИК ИНТЕРФЕЙСА 4-20мА
US10962622B2 (en) * 2013-12-23 2021-03-30 Rosemount Inc. Analog process variable transmitter with electronic calibration
DE102016207289B3 (de) * 2016-04-28 2017-05-04 Siemens Aktiengesellschaft Feldgerät zur Bestimmung einer Prozessgröße in der Prozessautomatisierung
KR102088874B1 (ko) * 2019-10-08 2020-03-13 (주)다스 방향 및 수평 레벨 탐지 표시용 전자 탐지 디바이스

Family Cites Families (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4250490A (en) * 1979-01-19 1981-02-10 Rosemount Inc. Two wire transmitter for converting a varying signal from a remote reactance sensor to a DC current signal
US4520488A (en) * 1981-03-02 1985-05-28 Honeywell, Inc. Communication system and method
US4419619A (en) * 1981-09-18 1983-12-06 Mcgraw-Edison Company Microprocessor controlled voltage regulating transformer
CH664637A5 (de) * 1982-04-28 1988-03-15 Cerberus Ag Verfahren zur uebertragung von messwerten in einem ueberwachungssystem.
US4494183A (en) * 1982-06-17 1985-01-15 Honeywell Inc. Process variable transmitter having a non-interacting operating range adjustment
US4556866A (en) * 1983-03-16 1985-12-03 Honeywell Inc. Power line carrier FSK data system
JPS61142828A (ja) * 1984-12-14 1986-06-30 Yokogawa Electric Corp 二線式デ−タ伝送装置

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE102008050354A1 (de) * 2008-10-02 2010-04-08 Siemens Aktiengesellschaft Messumformer

Also Published As

Publication number Publication date
MX160488A (es) 1990-03-12
KR960014487B1 (en) 1996-10-16
EP0324784A4 (de) 1989-09-26
DE3750297D1 (de) 1994-09-01
EP0324784A1 (de) 1989-07-26
DK171303B1 (da) 1996-08-26
ES2005363A6 (es) 1989-03-01
NO882395L (no) 1988-05-31
EP0324784B1 (de) 1994-07-27
DK297588A (da) 1988-06-01
NO882395D0 (no) 1988-05-31
KR880701929A (ko) 1988-11-07
JPH02500223A (ja) 1990-01-25
YU183987A (en) 1990-08-31
JP2529874B2 (ja) 1996-09-04
IN170265B (de) 1992-03-07
AU8039387A (en) 1988-04-21
ZA877271B (en) 1988-03-30
IL84004A (en) 1992-05-25
CA1334994C (en) 1995-03-28
ATE109295T1 (de) 1994-08-15
IL84004A0 (en) 1988-02-29
NO300566B1 (no) 1997-06-16
CN87106642A (zh) 1988-06-22
AU611649B2 (en) 1991-06-20
HK135094A (en) 1994-12-09
WO1988002528A1 (en) 1988-04-07
CN1014450B (zh) 1991-10-23
DK297588D0 (da) 1988-06-01

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Legal Events

Date Code Title Description
8364 No opposition during term of opposition
8339 Ceased/non-payment of the annual fee