BR8001352A - Verificacao da operacao de controladores programados - Google Patents

Verificacao da operacao de controladores programados

Info

Publication number
BR8001352A
BR8001352A BR8001352A BR8001352A BR8001352A BR 8001352 A BR8001352 A BR 8001352A BR 8001352 A BR8001352 A BR 8001352A BR 8001352 A BR8001352 A BR 8001352A BR 8001352 A BR8001352 A BR 8001352A
Authority
BR
Brazil
Prior art keywords
checking
programmed controllers
controllers
programmed
Prior art date
Application number
BR8001352A
Other languages
English (en)
Inventor
W Dodt
E Lutter
Original Assignee
Ibm
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
Application filed by Ibm filed Critical Ibm
Publication of BR8001352A publication Critical patent/BR8001352A/pt

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
    • G05B19/058—Safety, monitoring
    • G—PHYSICS
    • G06—COMPUTING; CALCULATING OR COUNTING
    • G06F—ELECTRIC DIGITAL DATA PROCESSING
    • G06F11/00—Error detection; Error correction; Monitoring
    • G06F11/28—Error detection; Error correction; Monitoring by checking the correct order of processing
    • 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
    • G05B2219/10—Plc systems
    • G05B2219/13—Plc programming
    • G05B2219/13188—Checking program data, parity, key

Landscapes

  • Engineering & Computer Science (AREA)
  • Physics & Mathematics (AREA)
  • General Physics & Mathematics (AREA)
  • Theoretical Computer Science (AREA)
  • Automation & Control Theory (AREA)
  • Quality & Reliability (AREA)
  • General Engineering & Computer Science (AREA)
  • Debugging And Monitoring (AREA)
  • Programmable Controllers (AREA)
BR8001352A 1979-03-09 1980-03-06 Verificacao da operacao de controladores programados BR8001352A (pt)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
US06/018,976 US4251885A (en) 1979-03-09 1979-03-09 Checking programmed controller operation

Publications (1)

Publication Number Publication Date
BR8001352A true BR8001352A (pt) 1980-11-11

Family

ID=21790740

Family Applications (1)

Application Number Title Priority Date Filing Date
BR8001352A BR8001352A (pt) 1979-03-09 1980-03-06 Verificacao da operacao de controladores programados

Country Status (5)

Country Link
US (1) US4251885A (pt)
EP (1) EP0015445A1 (pt)
JP (1) JPS55121573A (pt)
BR (1) BR8001352A (pt)
CA (1) CA1124871A (pt)

Families Citing this family (27)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
IT1117593B (it) * 1979-01-24 1986-02-17 Cselt Centro Studi Lab Telecom Sistema di aotodiagnosi per una apparecchiatura di controllo gestita da elaboratore
JPS56135250A (en) * 1980-03-24 1981-10-22 Nissan Motor Co Ltd Output device of microcomputer
US4409635A (en) * 1981-06-18 1983-10-11 Westinghouse Electric Corp. Electrical power system with fault tolerant control unit
DE3206891A1 (de) * 1982-02-26 1983-09-15 Robert Bosch Gmbh, 7000 Stuttgart Verfahren zur fehlerdiagnose fuer speicherprogrammierbare steuerungen
DE3225712C2 (de) * 1982-07-09 1985-04-11 M.A.N. Maschinenfabrik Augsburg-Nuernberg Ag, 8000 Muenchen Verfahren und Vorrichtung zur Funktionsprüfung von digitalen Rechnern
NL8303167A (nl) * 1983-09-14 1985-04-01 Philips Nv Alleenstaande dienstverlenende inrichting met micro-computer, die beschermd is tegen storingen.
US4800486A (en) * 1983-09-29 1989-01-24 Tandem Computers Incorporated Multiple data patch CPU architecture
US4831521A (en) * 1983-11-10 1989-05-16 General Signal Corporation Vital processor implemented with non-vital hardware
AT381803B (de) * 1984-10-29 1986-12-10 Elin Union Ag Schaltungsanordnung fuer eine mikroprozessorgesteuerte fernwirkanlage
US4852127A (en) * 1985-03-22 1989-07-25 American Telephone And Telegraph Company, At&T Bell Laboratories Universal protocol data receiver
US4920538A (en) * 1985-06-28 1990-04-24 International Business Machines Corporation Method of checking the execution of microcode sequences
US4989172A (en) * 1990-02-06 1991-01-29 Unisys Coporation Apparatus and method for checking start signals
US5337313A (en) * 1992-11-12 1994-08-09 Motorola, Inc. Method and apparatus for preserving packet squencing in a packet transmission system
FR2702577B1 (fr) * 1993-03-11 1995-04-28 Gec Alsthom Transport Sa Procédé pour contrôler l'exécution correcte d'un programme d'ordinateur multitâche.
DE4400203C1 (de) * 1994-01-05 1995-08-03 Daimler Benz Ag Verfahren zur Überwachung von Fahrzeugfunktionskomponenten
US5488702A (en) * 1994-04-26 1996-01-30 Unisys Corporation Data block check sequence generation and validation in a file cache system
EP0858034B1 (en) 1997-02-07 2002-06-12 Hewlett-Packard Company, A Delaware Corporation Control of computer peripherals
JP3056732B1 (ja) * 1999-04-09 2000-06-26 コナミ株式会社 コンピュ―タシステム、コンピュ―タプログラムの実行方法及びコンピュ―タプログラム記録媒体
DE10039663C2 (de) * 2000-08-14 2002-06-13 Fraunhofer Ges Forschung Verfahren und Vorrichtung zur Wiedergabe von Informationen
US7533412B2 (en) * 2002-04-23 2009-05-12 Stmicroelectronics S.A. Processor secured against traps
US20040003059A1 (en) * 2002-06-26 2004-01-01 Kitchin Duncan M. Active key for wireless device configuration
US7272228B2 (en) * 2003-06-12 2007-09-18 International Business Machines Corporation System and method for securing code and ensuring proper execution using state-based encryption
FR2880442B1 (fr) * 2005-01-05 2007-02-16 Siemens Transp Systems Soc Par Procede de verification du bon fonctionnement d'un dispositif de traitement, dispositif de verification et dispositif de traitement incluant le dispositif de verification
EP2040135A3 (en) 2007-09-20 2011-08-03 Rockwell Automation Technologies, Inc. Automated validation of application code for an industrial control environment
FR2928755B1 (fr) * 2008-03-14 2014-04-11 Sagem Securite Procede de securisation d'une execution d'un programme
DE102014218218A1 (de) * 2014-09-11 2016-03-17 Robert Bosch Gmbh Verfahren zum Erzeugen eines kryptographischen Schlüssels in einem System-on-a-Chip
FR3035240B1 (fr) 2015-04-15 2018-04-06 Rambus Inc. Procede de securisation de l'execution d'un programme

Family Cites Families (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3609697A (en) * 1968-10-21 1971-09-28 Ibm Program security device
JPS49109783A (pt) * 1973-02-21 1974-10-18
US3825903A (en) * 1973-04-30 1974-07-23 Ibm Automatic switching of storage protect keys
US4053752A (en) * 1975-09-15 1977-10-11 International Business Machines Corporation Error recovery and control in a mass storage system
US4108359A (en) * 1977-03-30 1978-08-22 The United States Of America As Represented By The Secretary Of The Army Apparatus for verifying the execution of a sequence of coded instructions
MX4130E (es) * 1977-05-20 1982-01-04 Amdahl Corp Mejoras en sistema de procesamiento de datos y escrutinio de informacion utilizando sumas de comprobacion
US4158226A (en) * 1977-11-21 1979-06-12 Allen-Bradley Company Programmable controller with limit detection

Also Published As

Publication number Publication date
JPS55121573A (en) 1980-09-18
JPS6249658B2 (pt) 1987-10-20
EP0015445A1 (en) 1980-09-17
CA1124871A (en) 1982-06-01
US4251885A (en) 1981-02-17

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