ES2161474T3 - Entrada de diagnostico para controlador logico programable. - Google Patents
Entrada de diagnostico para controlador logico programable.Info
- Publication number
- ES2161474T3 ES2161474T3 ES97942522T ES97942522T ES2161474T3 ES 2161474 T3 ES2161474 T3 ES 2161474T3 ES 97942522 T ES97942522 T ES 97942522T ES 97942522 T ES97942522 T ES 97942522T ES 2161474 T3 ES2161474 T3 ES 2161474T3
- Authority
- ES
- Spain
- Prior art keywords
- input
- programmable logic
- logic controller
- current
- current source
- 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 - Lifetime
Links
Classifications
-
- G—PHYSICS
- G05—CONTROLLING; REGULATING
- G05B—CONTROL OR REGULATING SYSTEMS IN GENERAL; FUNCTIONAL ELEMENTS OF SUCH SYSTEMS; MONITORING OR TESTING ARRANGEMENTS FOR SUCH SYSTEMS OR ELEMENTS
- G05B19/00—Programme-control systems
- G05B19/02—Programme-control systems electric
- G05B19/04—Programme control other than numerical control, i.e. in sequence controllers or logic controllers
- G05B19/042—Programme control other than numerical control, i.e. in sequence controllers or logic controllers using digital processors
- G05B19/0423—Input/output
- G05B19/0425—Safety, monitoring
-
- G—PHYSICS
- G05—CONTROLLING; REGULATING
- G05B—CONTROL OR REGULATING SYSTEMS IN GENERAL; FUNCTIONAL ELEMENTS OF SUCH SYSTEMS; MONITORING OR TESTING ARRANGEMENTS FOR SUCH SYSTEMS OR ELEMENTS
- G05B19/00—Programme-control systems
- G05B19/02—Programme-control systems electric
- G05B19/04—Programme control other than numerical control, i.e. in sequence controllers or logic controllers
- G05B19/05—Programmable logic controllers, e.g. simulating logic interconnections of signals according to ladder diagrams or function charts
- G05B19/054—Input/output
-
- G—PHYSICS
- G05—CONTROLLING; REGULATING
- G05B—CONTROL OR REGULATING SYSTEMS IN GENERAL; FUNCTIONAL ELEMENTS OF SUCH SYSTEMS; MONITORING OR TESTING ARRANGEMENTS FOR SUCH SYSTEMS OR ELEMENTS
- G05B2219/00—Program-control systems
- G05B2219/20—Pc systems
- G05B2219/25—Pc structure of the system
- G05B2219/25428—Field device
Landscapes
- Physics & Mathematics (AREA)
- General Physics & Mathematics (AREA)
- Engineering & Computer Science (AREA)
- Automation & Control Theory (AREA)
- Programmable Controllers (AREA)
- Electronic Switches (AREA)
- Measurement Of Current Or Voltage (AREA)
Abstract
SE PRESENTA UN DISPOSITIVO DE ENTRADA PARA UN CONTROLADOR LOGICO PROGRAMABLE. EN BREVE, UNA TENSION DE ENTRADA SE RECTIFICA CON UNA IMPEDANCIA DE ENTRADA QUE ES PRINCIPALMENTE CAPACITIVA PARA EVITAR AL DISIPACION DE CALOR. LA ENERGIA RECTIFICADA COOPERA A SU VEZ CON UNA FUENTE DE CORRIENTE DE MANERA QUE UNA VEZ QUE SE HA ALCANZADO UN PUNTO PREDETERMINADO LA CORRIENTE DE LA FUENTE DE CORRIENTE NO SE INCREMENTA CON EL INCREMENTO DE LA TENSION DE ENTRADA. LA FUENTE DE CORRIENTE TAMBIEN SE UTILIZA PARA EVITAR QUE LA CORRIENTE ACTIVE UN OPTOACOPLADOR DE ENTRADA PERMITIENDO QUE LA MAYORIA DE LA CORRIENTE DE ENTRADA SEA EXTRAIDA A TRAVES DE LA FUENTE DE CORRIENTE HASTA QUE SE ALCANCE UN LIMITE DE ENCENDIDO QUE SE AJUSTA MEDIANTE UN DIODO ZENER.
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| US08/723,071 US5731595A (en) | 1996-09-30 | 1996-09-30 | Diagnostic input for programmable logic controller |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| ES2161474T3 true ES2161474T3 (es) | 2001-12-01 |
Family
ID=24904712
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| ES97942522T Expired - Lifetime ES2161474T3 (es) | 1996-09-30 | 1997-09-16 | Entrada de diagnostico para controlador logico programable. |
Country Status (8)
| Country | Link |
|---|---|
| US (1) | US5731595A (es) |
| EP (1) | EP0928440B1 (es) |
| JP (1) | JP3329828B2 (es) |
| CN (1) | CN1154030C (es) |
| CA (1) | CA2267240C (es) |
| DE (1) | DE69706058T2 (es) |
| ES (1) | ES2161474T3 (es) |
| WO (1) | WO1998014846A1 (es) |
Families Citing this family (9)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| DE10242790A1 (de) * | 2002-09-14 | 2004-03-25 | Robert Bosch Gmbh | Verfahren zum Regeln des Stroms durch ein elektromagnetisches Stellglied |
| DE502005006659D1 (de) * | 2005-09-28 | 2009-04-02 | Siemens Ag | Peripheriebaugruppe für ein Automatisierungsgerät |
| EP1770456B1 (de) * | 2005-09-28 | 2009-03-04 | Siemens Aktiengesellschaft | Peripheriebaugruppe für ein Automatisierungsgerät |
| CN201039025Y (zh) * | 2007-04-06 | 2008-03-19 | 嘉智集团有限公司 | 整流降压限流装置 |
| US9483039B2 (en) | 2012-04-19 | 2016-11-01 | Rosemount Inc. | Wireless field device having discrete input/output |
| US9065434B2 (en) * | 2012-05-17 | 2015-06-23 | Rockwell Automation Technologies | Input circuit for industrial control with low heat dissipation |
| CN103955161B (zh) | 2014-05-14 | 2016-12-07 | 华为技术有限公司 | 一种监控电路及电子设备 |
| KR20150133968A (ko) * | 2014-05-21 | 2015-12-01 | 삼성전자주식회사 | 비동기 통신회로, 및 이를 포함하는 세탁기 |
| KR102189479B1 (ko) * | 2015-06-02 | 2020-12-11 | 엘에스일렉트릭(주) | 전원 공급 장치 |
Family Cites Families (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US4275307A (en) * | 1978-04-19 | 1981-06-23 | Allen-Bradley Company | Input circuit for digital control systems |
| JPS599566A (ja) * | 1982-07-07 | 1984-01-18 | Toshiba Corp | 電圧検出装置 |
| JPH03217904A (ja) * | 1990-01-23 | 1991-09-25 | Toshiba Mach Co Ltd | 入力モジュール |
-
1996
- 1996-09-30 US US08/723,071 patent/US5731595A/en not_active Expired - Lifetime
-
1997
- 1997-09-16 CN CNB971802246A patent/CN1154030C/zh not_active Expired - Lifetime
- 1997-09-16 ES ES97942522T patent/ES2161474T3/es not_active Expired - Lifetime
- 1997-09-16 JP JP51657598A patent/JP3329828B2/ja not_active Expired - Fee Related
- 1997-09-16 WO PCT/US1997/016462 patent/WO1998014846A1/en active IP Right Grant
- 1997-09-16 DE DE69706058T patent/DE69706058T2/de not_active Expired - Lifetime
- 1997-09-16 EP EP97942522A patent/EP0928440B1/en not_active Expired - Lifetime
- 1997-09-16 CA CA002267240A patent/CA2267240C/en not_active Expired - Lifetime
Also Published As
| Publication number | Publication date |
|---|---|
| US5731595A (en) | 1998-03-24 |
| CA2267240C (en) | 2001-06-05 |
| EP0928440B1 (en) | 2001-08-08 |
| JP2000503156A (ja) | 2000-03-14 |
| CN1239559A (zh) | 1999-12-22 |
| DE69706058D1 (de) | 2001-09-13 |
| CA2267240A1 (en) | 1998-04-09 |
| DE69706058T2 (de) | 2002-04-18 |
| JP3329828B2 (ja) | 2002-09-30 |
| WO1998014846A1 (en) | 1998-04-09 |
| EP0928440A1 (en) | 1999-07-14 |
| CN1154030C (zh) | 2004-06-16 |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| FG2A | Definitive protection |
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