ES2067605T3 - Controlador programable. - Google Patents

Controlador programable.

Info

Publication number
ES2067605T3
ES2067605T3 ES90115524T ES90115524T ES2067605T3 ES 2067605 T3 ES2067605 T3 ES 2067605T3 ES 90115524 T ES90115524 T ES 90115524T ES 90115524 T ES90115524 T ES 90115524T ES 2067605 T3 ES2067605 T3 ES 2067605T3
Authority
ES
Spain
Prior art keywords
time
exceeded
clock signal
count
reference clock
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
Application number
ES90115524T
Other languages
English (en)
Inventor
Shunji C O Omron Corporat Kuwa
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.)
Omron Corp
Original Assignee
Omron Corp
Omron Tateisi Electronics Co
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
Priority claimed from JP23109589A external-priority patent/JP2906254B2/ja
Priority claimed from JP23109689A external-priority patent/JPH0392905A/ja
Application filed by Omron Corp, Omron Tateisi Electronics Co filed Critical Omron Corp
Application granted granted Critical
Publication of ES2067605T3 publication Critical patent/ES2067605T3/es
Anticipated expiration legal-status Critical
Expired - Lifetime legal-status Critical Current

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
    • G05B19/05—Programmable logic controllers, e.g. simulating logic interconnections of signals according to ladder diagrams or function charts

Landscapes

  • Physics & Mathematics (AREA)
  • General Physics & Mathematics (AREA)
  • Engineering & Computer Science (AREA)
  • Automation & Control Theory (AREA)
  • Programmable Controllers (AREA)
  • Selective Calling Equipment (AREA)
  • Circuits Of Receivers In General (AREA)
  • Communication Control (AREA)

Abstract

EN UN CONTROLADOR PROGRAMABLE QUE TIENE UNA FUNCION PARA REMITIRSE A UNA SEÑAL DE RELOJ DE REFERENCIA CADA TIEMPO DE CICLO Y ACTUALIZAR EL VALOR PRESENTE DE UNA CUENTA EN UN TEMPORIZADOR DE USUARIO AL CONFIRMAR QUE LA SEÑAL DEL RELOJ DE REFERENCIA HA CAMBIADO DE ESTADO, EL TIEMPO DE EJECUCION DE UN PROGRAMA DE USUARIO SE MIDE DESDE EL INICIO DE LA EJECUCION DE ESTE EN CADA TIEMPO DE CICLO, SE DETERMINA SI EL TIEMPO DE EJECUCION MEDIDO HA EXCEDIDO UN TIEMPO DE UNIDAD MINIMO DE LA SEÑAL DEL RELOJ DE REFERENCIA, Y EL VALOR PRESENTE DE LA CUENTA EN EL TEMPORIZADOR DE USUARIO SE ACTUALIZA INCLUSO SI SE HA EXCEDIDO EL TIEMPO DE UNIDAD MINIMO. COMO RESULTADO, EL VALOR PRESENTE DEL CONTADOR DEL TEMPORIZADOR DE USUARIO PUEDE ACTUALIZARSE CON CERTEZA INCLUSO SI EL TIEMPO DE EJECUCION DEL PROGRAMA DE USUARIO ES TAN LARGO QUE SE EXCEDE EL TIEMPO DE UNIDAD MINIMO.
ES90115524T 1989-09-06 1990-08-13 Controlador programable. Expired - Lifetime ES2067605T3 (es)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
JP23109589A JP2906254B2 (ja) 1989-09-06 1989-09-06 プログラマブル・コントローラ
JP23109689A JPH0392905A (ja) 1989-09-06 1989-09-06 プログラマブル・コントローラ

Publications (1)

Publication Number Publication Date
ES2067605T3 true ES2067605T3 (es) 1995-04-01

Family

ID=26529690

Family Applications (1)

Application Number Title Priority Date Filing Date
ES90115524T Expired - Lifetime ES2067605T3 (es) 1989-09-06 1990-08-13 Controlador programable.

Country Status (5)

Country Link
US (1) US5325514A (es)
EP (1) EP0416330B1 (es)
AT (1) ATE118283T1 (es)
DE (1) DE69016718T2 (es)
ES (1) ES2067605T3 (es)

Families Citing this family (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
KR100487543B1 (ko) * 2000-09-01 2005-05-03 엘지전자 주식회사 시피유 스케쥴링 방법

Family Cites Families (12)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3996567A (en) * 1972-05-23 1976-12-07 Telefonaktiebolaget L M Ericsson Apparatus for indicating abnormal program execution in a process controlling computer operating in real time on different priority levels
JPS49109783A (es) * 1973-02-21 1974-10-18
US4266281A (en) * 1979-04-02 1981-05-05 Allen-Bradley Company Microprogrammed programmable controller
US4321687A (en) * 1979-10-01 1982-03-23 International Business Machines Corporation Timing pulse generation
US4472789A (en) * 1979-11-09 1984-09-18 General Signal Corporation Vital timer
DE2946081C3 (de) * 1979-11-15 1995-09-21 Wabco Vermoegensverwaltung Schaltungsanordnung zur Überwachung der Funktion eines Mikroprozessors
US4638452A (en) * 1984-02-27 1987-01-20 Allen-Bradley Company, Inc. Programmable controller with dynamically altered programmable real time interrupt interval
JPS6134605A (ja) * 1984-07-27 1986-02-18 Fanuc Ltd プログラマブルコントロ−ラの制御方式
JPS62157953A (ja) * 1985-12-28 1987-07-13 Honda Motor Co Ltd 異常検知機能を備えたマイクロコンピユ−タ
JPH0693201B2 (ja) * 1986-03-24 1994-11-16 株式会社日立製作所 タ−ビン制御装置
US5012435A (en) * 1988-11-17 1991-04-30 International Business Machines Corporation Multiple event timer circuit
US4965884A (en) * 1989-11-22 1990-10-23 Northern Telecom Limited Data alignment method and apparatus

Also Published As

Publication number Publication date
US5325514A (en) 1994-06-28
DE69016718T2 (de) 1995-10-05
EP0416330A1 (en) 1991-03-13
DE69016718D1 (de) 1995-03-23
ATE118283T1 (de) 1995-02-15
EP0416330B1 (en) 1995-02-08

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