JPS57111923A - Fail-safe type relay drive unit - Google Patents

Fail-safe type relay drive unit

Info

Publication number
JPS57111923A
JPS57111923A JP56179538A JP17953881A JPS57111923A JP S57111923 A JPS57111923 A JP S57111923A JP 56179538 A JP56179538 A JP 56179538A JP 17953881 A JP17953881 A JP 17953881A JP S57111923 A JPS57111923 A JP S57111923A
Authority
JP
Japan
Prior art keywords
fail
drive unit
relay drive
type relay
safe type
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.)
Pending
Application number
JP56179538A
Other languages
English (en)
Inventor
Daburiyuu Uiiashiets Girubaato
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.)
Otis Elevator Co
Original Assignee
Otis Elevator Co
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 Otis Elevator Co filed Critical Otis Elevator Co
Publication of JPS57111923A publication Critical patent/JPS57111923A/ja
Pending legal-status Critical Current

Links

Classifications

    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01H—ELECTRIC SWITCHES; RELAYS; SELECTORS; EMERGENCY PROTECTIVE DEVICES
    • H01H47/00—Circuit arrangements not adapted to a particular application of the relay and designed to obtain desired operating characteristics or to provide energising current
    • H01H47/002—Monitoring or fail-safe circuits
    • 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

Landscapes

  • Physics & Mathematics (AREA)
  • General Physics & Mathematics (AREA)
  • Engineering & Computer Science (AREA)
  • Automation & Control Theory (AREA)
  • Relay Circuits (AREA)
  • Safety Devices In Control Systems (AREA)
JP56179538A 1980-11-10 1981-11-09 Fail-safe type relay drive unit Pending JPS57111923A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
US06/205,830 US4338650A (en) 1980-11-10 1980-11-10 Fail-safe relay driving

Publications (1)

Publication Number Publication Date
JPS57111923A true JPS57111923A (en) 1982-07-12

Family

ID=22763817

Family Applications (1)

Application Number Title Priority Date Filing Date
JP56179538A Pending JPS57111923A (en) 1980-11-10 1981-11-09 Fail-safe type relay drive unit

Country Status (4)

Country Link
US (1) US4338650A (ja)
JP (1) JPS57111923A (ja)
DE (1) DE3143967A1 (ja)
FR (1) FR2494034B1 (ja)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPH0487549U (ja) * 1990-12-06 1992-07-29

Families Citing this family (9)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4661310A (en) * 1983-10-27 1987-04-28 Westinghouse Electric Corp Pulsed multichannel protection system with saturable core magnetic logic units
US4697093A (en) * 1985-01-23 1987-09-29 Westinghouse Electric Corp. Testable, fault-tolerant power interface circuit for controlling plant process equipment
US4696785A (en) * 1985-10-31 1987-09-29 Westinghouse Electric Corp. Testable voted logic power circuit and method of testing the same
US4664870A (en) * 1985-10-31 1987-05-12 Westinghouse Electric Corp. Testable voted logic power interface
EP0221775B1 (en) * 1985-10-31 1991-10-09 Westinghouse Electric Corporation Testable voted logic power circuit and method of testing the same
US4845384A (en) * 1988-03-16 1989-07-04 Westinghouse Electric Corp. Dynamic logic units
US5175413A (en) * 1990-07-31 1992-12-29 Whirlpool Corporation Fail-safe relay drive system for cooking apparatus
US6049578A (en) * 1997-06-06 2000-04-11 Abb Combustion Engineering Nuclear Power, Inc. Digital plant protection system
US11539177B2 (en) * 2018-06-15 2022-12-27 Siemens Mobility, Inc. Vital relay assembly for modular solid-state current-limiting

Family Cites Families (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3258654A (en) * 1966-06-28 Electrical current sensing means
DE1078614B (de) * 1957-12-20 1960-03-31 Siemens Ag Koinzidenzschaltung mit einem oder mehreren Transfluxoren
US3225268A (en) * 1962-09-11 1965-12-21 Thermo Electric Co Inc Protection circuit for control apparatus
US3312876A (en) * 1963-05-02 1967-04-04 Lorain Prod Corp Current responsive signaling system
US4027208A (en) * 1976-04-14 1977-05-31 Minnesota Mining And Manufacturing Company Interfacing circuit
DE2651314C2 (de) * 1976-11-10 1982-03-25 Siemens AG, 1000 Berlin und 8000 München Sicherheits-Ausgabeschaltung für eine Binärsignale abgebende Datenverarbeitungsanlage
JPS54947A (en) * 1977-06-06 1979-01-06 Hitachi Ltd Failure detection system for digital output circuit

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPH0487549U (ja) * 1990-12-06 1992-07-29

Also Published As

Publication number Publication date
FR2494034A1 (fr) 1982-05-14
DE3143967A1 (de) 1982-09-02
DE3143967C2 (ja) 1990-10-11
US4338650A (en) 1982-07-06
FR2494034B1 (fr) 1986-12-05

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