ATA25499A - SELF-MONITORING SYSTEM FOR FREE PROGRAMMABLE CONTROLLERS - Google Patents

SELF-MONITORING SYSTEM FOR FREE PROGRAMMABLE CONTROLLERS

Info

Publication number
ATA25499A
ATA25499A AT25499A AT25499A ATA25499A AT A25499 A ATA25499 A AT A25499A AT 25499 A AT25499 A AT 25499A AT 25499 A AT25499 A AT 25499A AT A25499 A ATA25499 A AT A25499A
Authority
AT
Austria
Prior art keywords
self
monitoring system
programmable controllers
free programmable
free
Prior art date
Application number
AT25499A
Other languages
German (de)
Other versions
AT411801B (en
Original Assignee
Silberbauer Paul Ing
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 Silberbauer Paul Ing filed Critical Silberbauer Paul Ing
Priority to AT25499A priority Critical patent/AT411801B/en
Publication of ATA25499A publication Critical patent/ATA25499A/en
Application granted granted Critical
Publication of AT411801B publication Critical patent/AT411801B/en

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—Program-control systems
    • G05B19/02—Program-control systems electric
    • G05B19/04—Program 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
    • G05B2219/14021—IN, direct link parallel to plc, AND, OUT
    • 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
    • G05B2219/14044—Operating time test for over or under conditions
    • 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
    • G05B2219/14054—Self test
    • 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
    • G05B2219/14077—Detect difference in signal between identical channels, if plausible

Landscapes

  • Physics & Mathematics (AREA)
  • General Physics & Mathematics (AREA)
  • Engineering & Computer Science (AREA)
  • Automation & Control Theory (AREA)
  • Safety Devices In Control Systems (AREA)
AT25499A 1999-02-17 1999-02-17 SELF-MONITORING SYSTEM FOR FREE PROGRAMMABLE CONTROLLERS AT411801B (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
AT25499A AT411801B (en) 1999-02-17 1999-02-17 SELF-MONITORING SYSTEM FOR FREE PROGRAMMABLE CONTROLLERS

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
AT25499A AT411801B (en) 1999-02-17 1999-02-17 SELF-MONITORING SYSTEM FOR FREE PROGRAMMABLE CONTROLLERS

Publications (2)

Publication Number Publication Date
ATA25499A true ATA25499A (en) 2003-10-15
AT411801B AT411801B (en) 2004-05-25

Family

ID=28679290

Family Applications (1)

Application Number Title Priority Date Filing Date
AT25499A AT411801B (en) 1999-02-17 1999-02-17 SELF-MONITORING SYSTEM FOR FREE PROGRAMMABLE CONTROLLERS

Country Status (1)

Country Link
AT (1) AT411801B (en)

Families Citing this family (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FR3001297B1 (en) * 2013-01-23 2015-03-20 Schneider Electric Ind Sas METHOD AND DEVICES FOR SELF-DIAGNOSTIC OF ELECTRICAL EQUIPMENT

Family Cites Families (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE4213171A1 (en) * 1992-04-22 1993-10-28 Jossi Hans Praezisionsmechanik Multiple redundancy safety circuits for hazardous process control - uses stored program controller with interlocked serial protection switches
DE4312305C5 (en) * 1993-04-15 2004-07-15 Abb Patent Gmbh Safety-related programmable logic controller
DE19540069A1 (en) * 1995-10-27 1997-04-30 Elan Schaltelemente Gmbh Arrangement for the detection and / or processing of signals of electrical components that fulfill safety-related purposes or requirements for devices or systems

Also Published As

Publication number Publication date
AT411801B (en) 2004-05-25

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Legal Events

Date Code Title Description
MM01 Lapse because of not paying annual fees

Effective date: 20111015