DE2713253C2 - - Google Patents

Info

Publication number
DE2713253C2
DE2713253C2 DE2713253A DE2713253A DE2713253C2 DE 2713253 C2 DE2713253 C2 DE 2713253C2 DE 2713253 A DE2713253 A DE 2713253A DE 2713253 A DE2713253 A DE 2713253A DE 2713253 C2 DE2713253 C2 DE 2713253C2
Authority
DE
Germany
Prior art keywords
memory
devices
input
state
stored
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
Application number
DE2713253A
Other languages
German (de)
English (en)
Other versions
DE2713253A1 (de
Inventor
Vladis Lyndhurst Ohio Us Grants
Odo J. Chagrin Falls Ohio Us Struger
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.)
Allen Bradley Co LLC
Original Assignee
Allen Bradley Co LLC
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 Allen Bradley Co LLC filed Critical Allen Bradley Co LLC
Publication of DE2713253A1 publication Critical patent/DE2713253A1/de
Application granted granted Critical
Publication of DE2713253C2 publication Critical patent/DE2713253C2/de
Granted 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
    • G05B19/058—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
    • G05B2219/00—Program-control systems
    • G05B2219/10—Plc systems
    • G05B2219/14—Plc safety
    • G05B2219/14057—Compare response time, time interval with reference response time, interval
    • 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
    • G05B2219/14—Plc safety
    • G05B2219/14074—Signature analysis, recorded states, zones are compared to actual

Landscapes

  • Physics & Mathematics (AREA)
  • General Physics & Mathematics (AREA)
  • Engineering & Computer Science (AREA)
  • Automation & Control Theory (AREA)
  • Programmable Controllers (AREA)
DE19772713253 1976-03-26 1977-03-25 Programmlader fuer ein steuergeraet Granted DE2713253A1 (de)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
US05/671,020 US4070702A (en) 1976-03-26 1976-03-26 Contact histogram for programmable controller

Publications (2)

Publication Number Publication Date
DE2713253A1 DE2713253A1 (de) 1977-10-06
DE2713253C2 true DE2713253C2 (en, 2012) 1989-01-12

Family

ID=24692822

Family Applications (1)

Application Number Title Priority Date Filing Date
DE19772713253 Granted DE2713253A1 (de) 1976-03-26 1977-03-25 Programmlader fuer ein steuergeraet

Country Status (4)

Country Link
US (1) US4070702A (en, 2012)
CA (1) CA1070844A (en, 2012)
DE (1) DE2713253A1 (en, 2012)
GB (1) GB1532142A (en, 2012)

Families Citing this family (25)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
NL7703078A (nl) * 1977-03-22 1978-09-26 Philips Nv Inrichting voor het genereren en corrigeren van een gebruikersprogramma.
US4165534A (en) * 1977-04-25 1979-08-21 Allen-Bradley Company Digital control system with Boolean processor
US4219881A (en) * 1977-12-30 1980-08-26 Honeywell Inc. Digital input control circuit
US4328539A (en) * 1978-07-28 1982-05-04 Amf Incorporated Sequence controller with microprocessor
DE2950979C2 (de) * 1978-12-19 1995-11-16 Allen Bradley Co Numerisches Steuerungssystem
US4369493A (en) * 1979-05-14 1983-01-18 Metropolitan Life Insurance Company Response time monitor
IL59957A (en) * 1979-05-14 1983-09-30 Metropolitan Life Insurance Co Method and apparatus for measuring computer time
US4649510A (en) * 1982-04-30 1987-03-10 Schmidt Walter E Methods and apparatus for the protection and control of computer programs
JPS58205214A (ja) * 1982-05-26 1983-11-30 Omron Tateisi Electronics Co プログラマブル・コントロ−ラのモニタ表示方式
JPS60136810A (ja) * 1983-12-26 1985-07-20 Fuji Electric Co Ltd プログラマブルコントロ−ラ
US4716541A (en) * 1984-08-02 1987-12-29 Quatse Jesse T Boolean processor for a progammable controller
US4870614A (en) * 1984-08-02 1989-09-26 Quatse Jesse T Programmable controller ("PC") with co-processing architecture
US4930101A (en) * 1986-05-09 1990-05-29 Dataproducts Corporation Microprocessor-controlled meter package for a printer
US4775929A (en) * 1986-10-14 1988-10-04 Honeywell Bull Inc. Time partitioned bus arrangement
US4829596A (en) * 1987-02-09 1989-05-09 Allen-Bradley Company, Inc. Programmable controller with fiber optic input/output module
FR2641878A1 (fr) * 1988-12-28 1990-07-20 Nicolai Jean Pierre Systeme de controle et de commande par visualisation de synoptiques sur un terminal graphique intelligent d'un procede automatise
US5265005A (en) * 1990-08-31 1993-11-23 Allen-Bradley Company, Inc. Processor for a programmable controller
US5225974A (en) * 1990-10-30 1993-07-06 Allen-Bradley Company, Inc. Programmable controller processor with an intelligent functional module interface
US5392424A (en) * 1992-06-11 1995-02-21 Allen-Bradley Company, Inc. Apparatus for detecting parity errors among asynchronous digital signals
US5313386A (en) * 1992-06-11 1994-05-17 Allen-Bradley Company, Inc. Programmable controller with backup capability
US5295059A (en) * 1992-09-09 1994-03-15 Allen-Bradley Company, Inc. Programmable controller with ladder diagram macro instructions
US5321603A (en) * 1992-12-15 1994-06-14 Allen-Bradley Company, Inc. Programming apparatus for an industrial controller using two-dimensional graphic behavior profiles
US5428526A (en) * 1993-02-03 1995-06-27 Flood; Mark A. Programmable controller with time periodic communication
FR2707406B1 (fr) * 1993-07-06 1995-09-01 Framatome Sa Procédé d'essai d'un ensemble de conduite d'un processus industriel et dispositif pour mettre en Óoeuvre ce procédé.
US6954922B2 (en) * 1998-04-29 2005-10-11 Sun Microsystems, Inc. Method apparatus and article of manufacture for time profiling multi-threaded programs

Family Cites Families (13)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3118722A (en) * 1960-12-30 1964-01-21 Bell Telephone Labor Inc Indication recording system
US3522597A (en) * 1965-11-19 1970-08-04 Ibm Execution plotter
US3701113A (en) * 1971-08-13 1972-10-24 Digital Equipment Corp Analyzer for sequencer controller
CA957082A (en) * 1972-01-24 1974-10-29 William Steinberg Computer monitoring device
US3771144A (en) * 1972-07-24 1973-11-06 Ibm Clock for computer performance measurements
US3813649A (en) * 1972-09-01 1974-05-28 Bradley Co A Controller program editor
US3818458A (en) * 1972-11-08 1974-06-18 Comress Method and apparatus for monitoring a general purpose digital computer
US3921146A (en) * 1973-01-05 1975-11-18 Gen Electric Programmable data processor and controller system
US3868648A (en) * 1973-07-05 1975-02-25 Ind Dynamics Inc Programmable process and production control systems
US3969703A (en) * 1973-10-19 1976-07-13 Ball Corporation Programmable automatic controller
US3939453A (en) * 1974-04-29 1976-02-17 Bryant Grinder Corporation Diagnostic display for machine sequence controller
US3984662A (en) * 1974-09-30 1976-10-05 Infomat Corporation Rate recording system
US3971920A (en) * 1975-05-05 1976-07-27 The Bendix Corporation Digital time-off-event encoding system

Also Published As

Publication number Publication date
GB1532142A (en) 1978-11-15
US4070702A (en) 1978-01-24
CA1070844A (en) 1980-01-29
DE2713253A1 (de) 1977-10-06

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Legal Events

Date Code Title Description
8110 Request for examination paragraph 44
8125 Change of the main classification

Ipc: G06F 11/34

D2 Grant after examination
8364 No opposition during term of opposition