FR2561410B1 - PROCESS CONTROL ASSOCIATED WITH TWO REDUNDANT PROGRAMMABLE CONTROLLERS - Google Patents
PROCESS CONTROL ASSOCIATED WITH TWO REDUNDANT PROGRAMMABLE CONTROLLERSInfo
- 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
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)
- Programmable Controllers (AREA)
- Safety Devices In Control Systems (AREA)
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)
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 |
DE58908238D1 (en) * | 1989-06-30 | 1994-09-29 | Siemens Ag | Process for the highly available operation of redundant data processing systems. |
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. |
AU4400793A (en) * | 1992-06-12 | 1994-01-04 | Dow Chemical Company, The | 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 |
EP0742505A3 (en) * | 1995-05-11 | 1998-01-14 | Siemens Aktiengesellschaft | Safety-oriented monitoring device for a machine |
US6170044B1 (en) * | 1997-12-19 | 2001-01-02 | Honeywell Inc. | Systems and methods for synchronizing redundant controllers with minimal control disruption |
EP1086408B1 (en) * | 1998-06-10 | 2003-01-29 | Siemens Aktiengesellschaft | Control device for a machine, system, or apparatus and a method for monitoring a control |
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. |
-
1984
- 1984-03-13 FR FR8403981A patent/FR2561410B1/en not_active Expired
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 |