CA2406752A1 - Instrumentation numerique - Google Patents
Instrumentation numerique Download PDFInfo
- Publication number
- CA2406752A1 CA2406752A1 CA002406752A CA2406752A CA2406752A1 CA 2406752 A1 CA2406752 A1 CA 2406752A1 CA 002406752 A CA002406752 A CA 002406752A CA 2406752 A CA2406752 A CA 2406752A CA 2406752 A1 CA2406752 A1 CA 2406752A1
- Authority
- CA
- Canada
- Prior art keywords
- power
- voltage
- limiting means
- limiting
- instruments
- 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.)
- Abandoned
Links
- 231100001261 hazardous Toxicity 0.000 claims abstract description 40
- 230000005540 biological transmission Effects 0.000 claims description 43
- 230000001105 regulatory effect Effects 0.000 claims description 26
- 230000005669 field effect Effects 0.000 claims description 2
- 238000004891 communication Methods 0.000 description 14
- 239000007789 gas Substances 0.000 description 7
- 238000002955 isolation Methods 0.000 description 5
- 238000000034 method Methods 0.000 description 3
- 230000002411 adverse Effects 0.000 description 2
- 230000000694 effects Effects 0.000 description 2
- 238000004880 explosion Methods 0.000 description 2
- 239000002360 explosive Substances 0.000 description 2
- 238000012544 monitoring process Methods 0.000 description 2
- 238000011144 upstream manufacturing Methods 0.000 description 2
- 238000006243 chemical reaction Methods 0.000 description 1
- 238000005253 cladding Methods 0.000 description 1
- 238000012790 confirmation Methods 0.000 description 1
- 238000011109 contamination Methods 0.000 description 1
- 238000005538 encapsulation Methods 0.000 description 1
- 239000000383 hazardous chemical Substances 0.000 description 1
- 238000009434 installation Methods 0.000 description 1
- 239000007788 liquid Substances 0.000 description 1
- 238000004519 manufacturing process Methods 0.000 description 1
Classifications
-
- H—ELECTRICITY
- H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
- H02H—EMERGENCY PROTECTIVE CIRCUIT ARRANGEMENTS
- H02H9/00—Emergency protective circuit arrangements for limiting excess current or voltage without disconnection
- H02H9/008—Intrinsically safe circuits
Landscapes
- Emergency Protection Circuit Devices (AREA)
- Arrangements For Transmission Of Measured Signals (AREA)
- Safety Devices In Control Systems (AREA)
Abstract
Cette invention concerne un système d'instrumentation numérique comportant un dispositif d'alimentation (36) qui fournit de l'énergie à au moins un instrument (3) implanté dans une zone dangereuse (5). Dans cette zone dangereuse se trouve également un dispositif de limitation d'énergie (27) qui limite l'énergie fournie à chacun des instruments (3).
Applications Claiming Priority (3)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| GB0010010A GB0010010D0 (en) | 2000-04-25 | 2000-04-25 | Digital instrumentation |
| GB0010010.7 | 2000-04-26 | ||
| PCT/GB2001/001847 WO2001082442A1 (fr) | 2000-04-25 | 2001-04-26 | Instrumentation numerique |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CA2406752A1 true CA2406752A1 (fr) | 2001-11-01 |
Family
ID=9890444
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CA002406752A Abandoned CA2406752A1 (fr) | 2000-04-25 | 2001-04-26 | Instrumentation numerique |
Country Status (8)
| Country | Link |
|---|---|
| EP (1) | EP1277265A1 (fr) |
| JP (1) | JP2003532209A (fr) |
| CN (1) | CN1426620A (fr) |
| AU (1) | AU5236001A (fr) |
| BR (1) | BR0110285A (fr) |
| CA (1) | CA2406752A1 (fr) |
| GB (1) | GB0010010D0 (fr) |
| WO (1) | WO2001082442A1 (fr) |
Families Citing this family (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| DE102013103627A1 (de) * | 2013-04-11 | 2014-10-16 | Endress + Hauser Flowtec Ag | Feldgerät mit einer Schutzschaltung |
| EP3629016B1 (fr) | 2018-09-28 | 2023-06-14 | Siemens Aktiengesellschaft | Analyseur de fluide |
Family Cites Families (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| DE4403961C2 (de) * | 1994-02-04 | 1997-07-03 | Hartmann & Braun Ag | Speisesystem für einen eigensicheren Feldbus |
| DE4407117A1 (de) * | 1994-03-04 | 1995-09-07 | Licentia Gmbh | Anordnung zur eigensicheren Stromversorgung von elektrischen Verbrauchern, insbesondere mit langen Einspeiseleitungen |
| WO1999045621A1 (fr) * | 1998-03-06 | 1999-09-10 | Abb Patent Gmbh | Systeme de bus de terrain a repartiteur de bus de terrain |
-
2000
- 2000-04-25 GB GB0010010A patent/GB0010010D0/en not_active Ceased
-
2001
- 2001-04-26 WO PCT/GB2001/001847 patent/WO2001082442A1/fr not_active Ceased
- 2001-04-26 AU AU52360/01A patent/AU5236001A/en not_active Abandoned
- 2001-04-26 CA CA002406752A patent/CA2406752A1/fr not_active Abandoned
- 2001-04-26 EP EP01925675A patent/EP1277265A1/fr not_active Withdrawn
- 2001-04-26 CN CN 01808737 patent/CN1426620A/zh active Pending
- 2001-04-26 JP JP2001579418A patent/JP2003532209A/ja active Pending
- 2001-04-26 BR BR0110285-0A patent/BR0110285A/pt not_active IP Right Cessation
Also Published As
| Publication number | Publication date |
|---|---|
| CN1426620A (zh) | 2003-06-25 |
| WO2001082442A1 (fr) | 2001-11-01 |
| JP2003532209A (ja) | 2003-10-28 |
| BR0110285A (pt) | 2003-03-05 |
| GB0010010D0 (en) | 2000-06-14 |
| EP1277265A1 (fr) | 2003-01-22 |
| AU5236001A (en) | 2001-11-07 |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| FZDE | Discontinued |