FR2561410B1 - PROCESS CONTROL ASSOCIATED WITH TWO REDUNDANT PROGRAMMABLE CONTROLLERS - Google Patents

PROCESS CONTROL ASSOCIATED WITH TWO REDUNDANT PROGRAMMABLE CONTROLLERS

Info

Publication number
FR2561410B1
FR2561410B1 FR8403981A FR8403981A FR2561410B1 FR 2561410 B1 FR2561410 B1 FR 2561410B1 FR 8403981 A FR8403981 A FR 8403981A FR 8403981 A FR8403981 A FR 8403981A FR 2561410 B1 FR2561410 B1 FR 2561410B1
Authority
FR
France
Prior art keywords
process control
control associated
programmable controllers
redundant programmable
redundant
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
FR8403981A
Other languages
French (fr)
Other versions
FR2561410A1 (en
Inventor
Jean-Michel Reiss
Patrick Viollet
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.)
Merlin Gerin SA
Original Assignee
Merlin Gerin SA
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 Merlin Gerin SA filed Critical Merlin Gerin SA
Priority to FR8403981A priority Critical patent/FR2561410B1/en
Publication of FR2561410A1 publication Critical patent/FR2561410A1/en
Application granted granted Critical
Publication of FR2561410B1 publication Critical patent/FR2561410B1/en
Expired legal-status Critical Current

Links

Classifications

    • G—PHYSICS
    • G06—COMPUTING; CALCULATING OR COUNTING
    • G06F—ELECTRIC DIGITAL DATA PROCESSING
    • G06F11/00—Error detection; Error correction; Monitoring
    • G06F11/07—Responding to the occurrence of a fault, e.g. fault tolerance
    • G06F11/16—Error detection or correction of the data by redundancy in hardware
    • G06F11/1629—Error detection by comparing the output of redundant processing systems
    • G06F11/1633—Error detection by comparing the output of redundant processing systems using mutual exchange of the output between the redundant processing components
    • 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
    • G05B9/00—Safety arrangements
    • G05B9/02—Safety arrangements electric
    • G05B9/03—Safety arrangements electric with multiple-channel loop, i.e. redundant control systems
    • G—PHYSICS
    • G06—COMPUTING; CALCULATING OR COUNTING
    • G06F—ELECTRIC DIGITAL DATA PROCESSING
    • G06F11/00—Error detection; Error correction; Monitoring
    • G06F11/07—Responding to the occurrence of a fault, e.g. fault tolerance
    • G06F11/16—Error detection or correction of the data by redundancy in hardware
    • G06F11/1629—Error detection by comparing the output of redundant processing systems
    • G06F11/165—Error detection by comparing the output of redundant processing systems with continued operation after detection of the error
    • G—PHYSICS
    • G06—COMPUTING; CALCULATING OR COUNTING
    • G06F—ELECTRIC DIGITAL DATA PROCESSING
    • G06F11/00—Error detection; Error correction; Monitoring
    • G06F11/07—Responding to the occurrence of a fault, e.g. fault tolerance
    • G06F11/16—Error detection or correction of the data by redundancy in hardware
    • G06F11/1658—Data re-synchronization of a redundant component, or initial sync of replacement, additional or spare unit
    • G—PHYSICS
    • G06—COMPUTING; CALCULATING OR COUNTING
    • G06F—ELECTRIC DIGITAL DATA PROCESSING
    • G06F11/00—Error detection; Error correction; Monitoring
    • G06F11/07—Responding to the occurrence of a fault, e.g. fault tolerance
    • G06F11/16—Error detection or correction of the data by redundancy in hardware
    • G06F11/20—Error detection or correction of the data by redundancy in hardware using active fault-masking, e.g. by switching out faulty elements or by switching in spare elements
    • G06F11/2002—Error detection or correction of the data by redundancy in hardware using active fault-masking, e.g. by switching out faulty elements or by switching in spare elements where interconnections or communication control functionality are redundant
    • G06F11/2007—Error detection or correction of the data by redundancy in hardware using active fault-masking, e.g. by switching out faulty elements or by switching in spare elements where interconnections or communication control functionality are redundant using redundant communication media
    • G—PHYSICS
    • G06—COMPUTING; CALCULATING OR COUNTING
    • G06F—ELECTRIC DIGITAL DATA PROCESSING
    • G06F11/00—Error detection; Error correction; Monitoring
    • G06F11/07—Responding to the occurrence of a fault, e.g. fault tolerance
    • G06F11/16—Error detection or correction of the data by redundancy in hardware
    • G06F11/1675—Temporal synchronisation or re-synchronisation of redundant processing components
    • G06F11/1683—Temporal synchronisation or re-synchronisation of redundant processing components at instruction level

Landscapes

  • Engineering & Computer Science (AREA)
  • Theoretical Computer Science (AREA)
  • Physics & Mathematics (AREA)
  • General Physics & Mathematics (AREA)
  • Quality & Reliability (AREA)
  • General Engineering & Computer Science (AREA)
  • Automation & Control Theory (AREA)
  • Safety Devices In Control Systems (AREA)
  • Programmable Controllers (AREA)
FR8403981A 1984-03-13 1984-03-13 PROCESS CONTROL ASSOCIATED WITH TWO REDUNDANT PROGRAMMABLE CONTROLLERS Expired FR2561410B1 (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
FR8403981A FR2561410B1 (en) 1984-03-13 1984-03-13 PROCESS CONTROL ASSOCIATED WITH TWO REDUNDANT PROGRAMMABLE CONTROLLERS

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
FR8403981A FR2561410B1 (en) 1984-03-13 1984-03-13 PROCESS CONTROL ASSOCIATED WITH TWO REDUNDANT PROGRAMMABLE CONTROLLERS

Publications (2)

Publication Number Publication Date
FR2561410A1 FR2561410A1 (en) 1985-09-20
FR2561410B1 true FR2561410B1 (en) 1987-11-20

Family

ID=9302063

Family Applications (1)

Application Number Title Priority Date Filing Date
FR8403981A Expired FR2561410B1 (en) 1984-03-13 1984-03-13 PROCESS CONTROL ASSOCIATED WITH TWO REDUNDANT PROGRAMMABLE CONTROLLERS

Country Status (1)

Country Link
FR (1) FR2561410B1 (en)

Families Citing this family (15)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FR2600437B1 (en) * 1986-06-18 1993-12-31 Telemecanique Electrique METHOD AND DEVICE FOR REDUNDANT CONTROL OF A POWER MEMBER
US5086499A (en) * 1989-05-23 1992-02-04 Aeg Westinghouse Transportation Systems, Inc. Computer network for real time control with automatic fault identification and by-pass
EP0404992B1 (en) * 1989-06-30 1994-08-24 Siemens Aktiengesellschaft Method for operating with a high availability redundant data-processing units
DE3933320A1 (en) * 1989-10-06 1991-04-11 Vdo Mess & Regeltechnik DEVICE FOR DETECTING AND PROCESSING ELECTRICAL SIGNALS
FR2691559B1 (en) * 1992-05-25 1997-01-03 Cegelec REPLICATIVE OBJECT SOFTWARE SYSTEM USING DYNAMIC MESSAGING, IN PARTICULAR FOR REDUNDANT ARCHITECTURE CONTROL / CONTROL INSTALLATION.
WO1993025965A1 (en) * 1992-06-12 1993-12-23 The Dow Chemical Company Intelligent process control communication system and method
US5583757A (en) * 1992-08-04 1996-12-10 The Dow Chemical Company Method of input signal resolution for actively redundant process control computers
GB9313255D0 (en) * 1993-06-26 1993-08-11 Int Computers Ltd Fault-tolerant computer systmes
ATE195819T1 (en) * 1995-05-11 2000-09-15 Siemens Ag DEVICE FOR THE NUMERICAL CONTROL OF A MACHINE TOOL OR A ROBOT
US6170044B1 (en) * 1997-12-19 2001-01-02 Honeywell Inc. Systems and methods for synchronizing redundant controllers with minimal control disruption
CA2334641A1 (en) 1998-06-10 1999-12-16 Siemens Aktiengesellschaft Control device for a machine, system or appliance and method for monitoring a controller
TR199902280A2 (en) * 1999-09-17 2001-02-21 Netaş Northem Electric Telecommuni̇cation A.Ş. Es timing circuit.
EP1966660A1 (en) * 2005-12-26 2008-09-10 Siemens Aktiengesellschaft Processing unit and method for configuring a networked automation system
FR2939923B1 (en) 2008-12-15 2011-03-11 Converteam Tech Ltd ELECTRONIC SYSTEM WITH REDUNDANCY OF ELEMENTS, AND CHAIN OF CONTROLLING AN ENGINE IMPLEMENTING SUCH A SYSTEM
FR2945643B1 (en) * 2009-05-12 2011-06-24 Abb France Inputs / outputs module for sensors and / or actuators exchanging information with two central units.

Also Published As

Publication number Publication date
FR2561410A1 (en) 1985-09-20

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Legal Events

Date Code Title Description
ST Notification of lapse