CA1300924C - Transducteur analogique avec commande numerique - Google Patents
Transducteur analogique avec commande numeriqueInfo
- Publication number
- CA1300924C CA1300924C CA000545002A CA545002A CA1300924C CA 1300924 C CA1300924 C CA 1300924C CA 000545002 A CA000545002 A CA 000545002A CA 545002 A CA545002 A CA 545002A CA 1300924 C CA1300924 C CA 1300924C
- Authority
- CA
- Canada
- Prior art keywords
- analog
- transmitter
- signal
- digital
- converter
- 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
Links
- 230000006870 function Effects 0.000 claims abstract description 65
- 238000012937 correction Methods 0.000 claims abstract description 60
- 230000008859 change Effects 0.000 claims description 5
- 238000003860 storage Methods 0.000 claims description 5
- 238000004364 calculation method Methods 0.000 claims description 3
- 230000004044 response Effects 0.000 claims description 2
- 238000013016 damping Methods 0.000 claims 2
- 238000012545 processing Methods 0.000 abstract description 3
- 238000004891 communication Methods 0.000 description 23
- 239000003990 capacitor Substances 0.000 description 16
- 238000010586 diagram Methods 0.000 description 7
- 239000004065 semiconductor Substances 0.000 description 3
- 230000000881 depressing effect Effects 0.000 description 2
- 230000000994 depressogenic effect Effects 0.000 description 2
- 238000005259 measurement Methods 0.000 description 2
- 238000003825 pressing Methods 0.000 description 2
- 241001481828 Glyptocephalus cynoglossus Species 0.000 description 1
- 235000014676 Phragmites communis Nutrition 0.000 description 1
- 238000013459 approach Methods 0.000 description 1
- 230000035559 beat frequency Effects 0.000 description 1
- 238000010009 beating Methods 0.000 description 1
- 230000005540 biological transmission Effects 0.000 description 1
- 230000002844 continuous effect Effects 0.000 description 1
- 239000013078 crystal Substances 0.000 description 1
- 230000005284 excitation Effects 0.000 description 1
- 238000004519 manufacturing process Methods 0.000 description 1
- 230000013011 mating Effects 0.000 description 1
- 238000000034 method Methods 0.000 description 1
- FOXFZRUHNHCZPX-UHFFFAOYSA-N metribuzin Chemical compound CSC1=NN=C(C(C)(C)C)C(=O)N1N FOXFZRUHNHCZPX-UHFFFAOYSA-N 0.000 description 1
- 239000012811 non-conductive material Substances 0.000 description 1
- 230000010355 oscillation Effects 0.000 description 1
- 230000008569 process Effects 0.000 description 1
- 238000013139 quantization Methods 0.000 description 1
- 230000008439 repair process Effects 0.000 description 1
- 238000005070 sampling Methods 0.000 description 1
- 230000035939 shock Effects 0.000 description 1
- 239000007787 solid Substances 0.000 description 1
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
Landscapes
- Physics & Mathematics (AREA)
- General Physics & Mathematics (AREA)
- Arrangements For Transmission Of Measured Signals (AREA)
- Selective Calling Equipment (AREA)
- Transmitters (AREA)
Applications Claiming Priority (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| US89937886A | 1986-08-22 | 1986-08-22 | |
| US899,378 | 1986-08-22 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CA1300924C true CA1300924C (fr) | 1992-05-19 |
Family
ID=25410872
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CA000545002A Expired - Fee Related CA1300924C (fr) | 1986-08-22 | 1987-08-20 | Transducteur analogique avec commande numerique |
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) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US6920799B1 (en) | 2004-04-15 | 2005-07-26 | Rosemount Inc. | Magnetic flow meter with reference electrode |
| US7750642B2 (en) | 2006-09-29 | 2010-07-06 | Rosemount Inc. | Magnetic flowmeter with verification |
Families Citing this family (32)
| 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 |
| WO1993007601A1 (fr) * | 1991-09-30 | 1993-04-15 | Milltronics Ltd. | Systeme d'etalonnage pour instruments de mesure |
| US5416723A (en) * | 1993-03-03 | 1995-05-16 | Milltronics Ltd. | Loop powered process control transmitter |
| AU7562394A (en) * | 1993-09-07 | 1995-03-27 | Rosemount 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 |
| US7134354B2 (en) | 1999-09-28 | 2006-11-14 | Rosemount Inc. | Display for process transmitter |
| US6484107B1 (en) | 1999-09-28 | 2002-11-19 | Rosemount Inc. | Selectable on-off logic modes for a sensor module |
| 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 |
| US7109883B2 (en) | 2002-09-06 | 2006-09-19 | Rosemount Inc. | Low power physical layer for a bus in an industrial transmitter |
| US7036381B2 (en) | 2004-06-25 | 2006-05-02 | Rosemount Inc. | High temperature pressure transmitter assembly |
| 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 |
| US7480487B2 (en) | 2005-05-20 | 2009-01-20 | Dresser, Inc. | Power regulation for field instruments |
| US20060265105A1 (en) * | 2005-05-20 | 2006-11-23 | Hughes Albert R | Loop-powered field instrument |
| US7525419B2 (en) | 2006-01-30 | 2009-04-28 | Rosemount Inc. | Transmitter with removable local operator interface |
| US7461562B2 (en) | 2006-08-29 | 2008-12-09 | Rosemount Inc. | Process device with density measurement |
| 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 |
| JP5663475B2 (ja) | 2008-05-23 | 2015-02-04 | ローズマウント インコーポレイテッド | エネルギの流れの計算を備える多変数プロセス流体の流れの装置 |
| 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)
| 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 |
-
1987
- 1987-08-12 WO PCT/US1987/001942 patent/WO1988001417A1/fr not_active Ceased
- 1987-08-12 DE DE3752283T patent/DE3752283D1/de not_active Expired - Lifetime
- 1987-08-12 AT AT87905408T patent/ATE181611T1/de not_active IP Right Cessation
- 1987-08-12 EP EP87905408A patent/EP0328520B1/fr not_active Expired - Lifetime
- 1987-08-20 CA CA000545002A patent/CA1300924C/fr not_active Expired - Fee Related
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US6920799B1 (en) | 2004-04-15 | 2005-07-26 | Rosemount Inc. | Magnetic flow meter with reference electrode |
| US7750642B2 (en) | 2006-09-29 | 2010-07-06 | Rosemount Inc. | Magnetic flowmeter with verification |
Also Published As
| Publication number | Publication date |
|---|---|
| DE3752283D1 (de) | 1999-07-29 |
| EP0328520B1 (fr) | 1999-06-23 |
| WO1988001417A1 (fr) | 1988-02-25 |
| EP0328520A1 (fr) | 1989-08-23 |
| EP0328520A4 (fr) | 1989-10-04 |
| ATE181611T1 (de) | 1999-07-15 |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| MKLA | Lapsed |