AU611649B2 - Digital converter apparatus for improving the output of a two-wire transmitter - Google Patents

Digital converter apparatus for improving the output of a two-wire transmitter

Info

Publication number
AU611649B2
AU611649B2 AU80393/87A AU8039387A AU611649B2 AU 611649 B2 AU611649 B2 AU 611649B2 AU 80393/87 A AU80393/87 A AU 80393/87A AU 8039387 A AU8039387 A AU 8039387A AU 611649 B2 AU611649 B2 AU 611649B2
Authority
AU
Australia
Prior art keywords
transmitter
transmitting
output
terminals
circuits
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.)
Ceased
Application number
AU80393/87A
Other languages
English (en)
Other versions
AU8039387A (en
Inventor
John A. Kielb
Richard L. Nelson
David L. 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 AU8039387A publication Critical patent/AU8039387A/en
Application granted granted Critical
Publication of AU611649B2 publication Critical patent/AU611649B2/en
Anticipated expiration legal-status Critical
Ceased 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

Landscapes

  • Physics & Mathematics (AREA)
  • General Physics & Mathematics (AREA)
  • Arrangements For Transmission Of Measured Signals (AREA)
  • Communication Cables (AREA)
  • Electric Cable Installation (AREA)
  • Ultra Sonic Daignosis Equipment (AREA)
  • Tires In General (AREA)
  • Oscillators With Electromechanical Resonators (AREA)
  • Transmitters (AREA)
  • Cable Transmission Systems, Equalization Of Radio And Reduction Of Echo (AREA)
AU80393/87A 1986-10-02 1987-09-24 Digital converter apparatus for improving the output of a two-wire transmitter Ceased AU611649B2 (en)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
US91464886A 1986-10-02 1986-10-02
US914648 1986-10-02

Publications (2)

Publication Number Publication Date
AU8039387A AU8039387A (en) 1988-04-21
AU611649B2 true AU611649B2 (en) 1991-06-20

Family

ID=25434614

Family Applications (1)

Application Number Title Priority Date Filing Date
AU80393/87A Ceased AU611649B2 (en) 1986-10-02 1987-09-24 Digital converter apparatus for improving the output of a two-wire transmitter

Country Status (18)

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

Families Citing this family (12)

* 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
DE102008050354A1 (de) * 2008-10-02 2010-04-08 Siemens Aktiengesellschaft Messumformer
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
CN110319857B (zh) * 2019-08-05 2024-05-14 北京恒泰翔基科技有限公司 一种具有高阻连接结构的传感器
KR102088874B1 (ko) * 2019-10-08 2020-03-13 (주)다스 방향 및 수평 레벨 탐지 표시용 전자 탐지 디바이스

Citations (3)

* 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
US4494183A (en) * 1982-06-17 1985-01-15 Honeywell Inc. Process variable transmitter having a non-interacting operating range adjustment
US4520488A (en) * 1981-03-02 1985-05-28 Honeywell, Inc. Communication system and method

Family Cites Families (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
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.
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

Patent Citations (3)

* 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
US4494183A (en) * 1982-06-17 1985-01-15 Honeywell Inc. Process variable transmitter having a non-interacting operating range adjustment

Also Published As

Publication number Publication date
NO882395D0 (no) 1988-05-31
NO882395L (no) 1988-05-31
HK135094A (en) 1994-12-09
IL84004A0 (en) 1988-02-29
EP0324784A1 (en) 1989-07-26
DE3750297D1 (de) 1994-09-01
EP0324784A4 (en) 1989-09-26
WO1988002528A1 (en) 1988-04-07
CA1334994C (en) 1995-03-28
AU8039387A (en) 1988-04-21
YU183987A (en) 1990-08-31
EP0324784B1 (en) 1994-07-27
IL84004A (en) 1992-05-25
DE3750297T2 (de) 1994-12-15
JP2529874B2 (ja) 1996-09-04
JPH02500223A (ja) 1990-01-25
DK171303B1 (da) 1996-08-26
ZA877271B (en) 1988-03-30
DK297588A (da) 1988-06-01
ES2005363A6 (es) 1989-03-01
KR880701929A (ko) 1988-11-07
MX160488A (es) 1990-03-12
CN87106642A (zh) 1988-06-22
CN1014450B (zh) 1991-10-23
DK297588D0 (da) 1988-06-01
KR960014487B1 (en) 1996-10-16
IN170265B (xx) 1992-03-07
ATE109295T1 (de) 1994-08-15
NO300566B1 (no) 1997-06-16

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