ES2005363A6 - Un metodo para anadir la capacidad de transmitir una segunda clase de informacion seleccionada a un transmisor de valor de parametro. - Google Patents
Un metodo para anadir la capacidad de transmitir una segunda clase de informacion seleccionada a un transmisor de valor de parametro.Info
- Publication number
- ES2005363A6 ES2005363A6 ES8702804A ES8702804A ES2005363A6 ES 2005363 A6 ES2005363 A6 ES 2005363A6 ES 8702804 A ES8702804 A ES 8702804A ES 8702804 A ES8702804 A ES 8702804A ES 2005363 A6 ES2005363 A6 ES 2005363A6
- Authority
- ES
- Spain
- Prior art keywords
- output
- digital converter
- improving
- converter apparatus
- wire 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
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)
- Oscillators With Electromechanical Resonators (AREA)
- Tires In General (AREA)
- Transmitters (AREA)
- Cable Transmission Systems, Equalization Of Radio And Reduction Of Echo (AREA)
Abstract
UN TRANSMISOR BIFILAR ANALOGICO EXISTENTE TIENE UN MODULO DETECTOR, UN CIRCUITO DE EXCITACION ANALOGICO, Y UN CIRCUITO DETECTOR ANALOGICO QUE PROPORCIONA UNA SALIDA REPRESENTATIVA DE UNA VARIABLE DE TRATAMIENTO DETECTADA, TAL COMO UNA PRESION, A UN CIRCUITO CERRADO BIFILAR DE CORRIENTE. EL CIRCUITO DE DETECCION ANALOGICO ES RETIRADO Y SUSTITUIDO POR UN APARATO QUE INCLUYE UN CONVERTIDOR DIGITAL QUE CALCULA DIGITALMENTE LA SALIDA DEL TRANSMISOR. LA SALIDA SE MEJORA CALCULANDO LA CORRECCION DE LINEALIDAD. EL CIRCUITO DE EXCITACION ANALOGICO PUEDE SER TAMBIEN REEMPLAZADO POR UN CIRCUITO DE EXCITACION SUSTITUTIVO. EL CIRCUITO DE EXCITACION SUSTITUTIVO Y EL CONVERTIDOR DIGITAL PUEDEN ESTAR ACTIVADOS EN SERIE PARA CONTROLAR LA CORRIENTE DE ACTIVACION. UNA BOMBA DE CARGA PUEDE SER ACOPLADA AL CIRCUITO CERRADO PARA EQUILIBRAR LA INTENSIDAD EN EL CIRCUITO EN SERIE. EL CONVERTIDOR DIGITAL PUEDE PROPORCIONAR TAMBIEN AJUSTES ELECTRICOS DEL INTERVALO Y DEL CERO.
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
US91464886A | 1986-10-02 | 1986-10-02 |
Publications (1)
Publication Number | Publication Date |
---|---|
ES2005363A6 true ES2005363A6 (es) | 1989-03-01 |
Family
ID=25434614
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
ES8702804A Expired ES2005363A6 (es) | 1986-10-02 | 1987-10-01 | Un metodo para anadir la capacidad de transmitir una segunda clase de informacion seleccionada a un transmisor de valor de parametro. |
Country Status (18)
Country | Link |
---|---|
EP (1) | EP0324784B1 (es) |
JP (1) | JP2529874B2 (es) |
KR (1) | KR960014487B1 (es) |
CN (1) | CN1014450B (es) |
AT (1) | ATE109295T1 (es) |
AU (1) | AU611649B2 (es) |
CA (1) | CA1334994C (es) |
DE (1) | DE3750297T2 (es) |
DK (1) | DK171303B1 (es) |
ES (1) | ES2005363A6 (es) |
HK (1) | HK135094A (es) |
IL (1) | IL84004A (es) |
IN (1) | IN170265B (es) |
MX (1) | MX160488A (es) |
NO (1) | NO300566B1 (es) |
WO (1) | WO1988002528A1 (es) |
YU (1) | YU183987A (es) |
ZA (1) | ZA877271B (es) |
Families Citing this family (12)
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 |
WO2009067037A1 (fr) * | 2007-09-12 | 2009-05-28 | Valery Vasilievich Ovchinnikov | Dispositif de transmission discrète de signaux électriques |
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 |
Family Cites Families (7)
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 |
-
1987
- 1987-09-22 IN IN687/MAS/87A patent/IN170265B/en unknown
- 1987-09-24 DE DE3750297T patent/DE3750297T2/de not_active Expired - Fee Related
- 1987-09-24 AU AU80393/87A patent/AU611649B2/en not_active Ceased
- 1987-09-24 EP EP87906717A patent/EP0324784B1/en not_active Expired - Lifetime
- 1987-09-24 WO PCT/US1987/002448 patent/WO1988002528A1/en active IP Right Grant
- 1987-09-24 JP JP62506120A patent/JP2529874B2/ja not_active Expired - Lifetime
- 1987-09-24 AT AT87906717T patent/ATE109295T1/de not_active IP Right Cessation
- 1987-09-27 IL IL84004A patent/IL84004A/xx not_active IP Right Cessation
- 1987-09-28 ZA ZA877271A patent/ZA877271B/xx unknown
- 1987-09-30 CN CN87106642A patent/CN1014450B/zh not_active Expired
- 1987-09-30 CA CA000548261A patent/CA1334994C/en not_active Expired - Fee Related
- 1987-10-01 MX MX8640A patent/MX160488A/es unknown
- 1987-10-01 ES ES8702804A patent/ES2005363A6/es not_active Expired
- 1987-10-06 YU YU01839/87A patent/YU183987A/xx unknown
-
1988
- 1988-05-31 NO NO882395A patent/NO300566B1/no not_active IP Right Cessation
- 1988-06-01 DK DK297588A patent/DK171303B1/da not_active IP Right Cessation
- 1988-06-02 KR KR88700623A patent/KR960014487B1/ko not_active IP Right Cessation
-
1994
- 1994-12-01 HK HK135094A patent/HK135094A/xx not_active IP Right Cessation
Also Published As
Publication number | Publication date |
---|---|
KR880701929A (ko) | 1988-11-07 |
NO882395D0 (no) | 1988-05-31 |
IL84004A0 (en) | 1988-02-29 |
HK135094A (en) | 1994-12-09 |
NO300566B1 (no) | 1997-06-16 |
EP0324784A1 (en) | 1989-07-26 |
DE3750297D1 (de) | 1994-09-01 |
IL84004A (en) | 1992-05-25 |
EP0324784A4 (en) | 1989-09-26 |
DK297588D0 (da) | 1988-06-01 |
CN87106642A (zh) | 1988-06-22 |
KR960014487B1 (en) | 1996-10-16 |
AU611649B2 (en) | 1991-06-20 |
AU8039387A (en) | 1988-04-21 |
JP2529874B2 (ja) | 1996-09-04 |
DE3750297T2 (de) | 1994-12-15 |
ATE109295T1 (de) | 1994-08-15 |
WO1988002528A1 (en) | 1988-04-07 |
NO882395L (no) | 1988-05-31 |
CA1334994C (en) | 1995-03-28 |
EP0324784B1 (en) | 1994-07-27 |
JPH02500223A (ja) | 1990-01-25 |
CN1014450B (zh) | 1991-10-23 |
DK171303B1 (da) | 1996-08-26 |
YU183987A (en) | 1990-08-31 |
IN170265B (es) | 1992-03-07 |
ZA877271B (en) | 1988-03-30 |
MX160488A (es) | 1990-03-12 |
DK297588A (da) | 1988-06-01 |
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Legal Events
Date | Code | Title | Description |
---|---|---|---|
SA6 | Expiration date (snapshot 920101) |
Free format text: 2007-10-01 |