ZA762769B - Circuit arrangement for operating fixed-value stores readable by static binary addresses in a twochannel safety switching system with non-equivalence signal processing - Google Patents

Circuit arrangement for operating fixed-value stores readable by static binary addresses in a twochannel safety switching system with non-equivalence signal processing

Info

Publication number
ZA762769B
ZA762769B ZA762769A ZA762769A ZA762769B ZA 762769 B ZA762769 B ZA 762769B ZA 762769 A ZA762769 A ZA 762769A ZA 762769 A ZA762769 A ZA 762769A ZA 762769 B ZA762769 B ZA 762769B
Authority
ZA
South Africa
Prior art keywords
twochannel
signal processing
circuit arrangement
switching system
safety switching
Prior art date
Application number
ZA762769A
Other languages
English (en)
Inventor
A Pauly
Original Assignee
Siemens Ag
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 Siemens Ag filed Critical Siemens Ag
Publication of ZA762769B publication Critical patent/ZA762769B/xx

Links

Classifications

    • G—PHYSICS
    • G06—COMPUTING OR CALCULATING; 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
    • G06F11/1666—Error detection or correction of the data by redundancy in hardware where the redundant component is memory or memory area
    • G06F11/167—Error detection by comparing the memory output
    • H—ELECTRICITY
    • H03—ELECTRONIC CIRCUITRY
    • H03K—PULSE TECHNIQUE
    • H03K19/00—Logic circuits, i.e. having at least two inputs acting on one output; Inverting circuits
    • H03K19/007—Fail-safe circuits
    • H03K19/0075—Fail-safe circuits by using two redundant chains
    • H—ELECTRICITY
    • H03—ELECTRONIC CIRCUITRY
    • H03K—PULSE TECHNIQUE
    • H03K19/00—Logic circuits, i.e. having at least two inputs acting on one output; Inverting circuits
    • H03K19/02—Logic circuits, i.e. having at least two inputs acting on one output; Inverting circuits using specified components
    • H03K19/173—Logic circuits, i.e. having at least two inputs acting on one output; Inverting circuits using specified components using elementary logic circuits as components

Landscapes

  • Engineering & Computer Science (AREA)
  • Physics & Mathematics (AREA)
  • General Engineering & Computer Science (AREA)
  • Theoretical Computer Science (AREA)
  • Computer Hardware Design (AREA)
  • Computing Systems (AREA)
  • Mathematical Physics (AREA)
  • Quality & Reliability (AREA)
  • General Physics & Mathematics (AREA)
  • Logic Circuits (AREA)
  • Testing Or Measuring Of Semiconductors Or The Like (AREA)
ZA762769A 1975-05-13 1976-05-10 Circuit arrangement for operating fixed-value stores readable by static binary addresses in a twochannel safety switching system with non-equivalence signal processing ZA762769B (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
DE2521245A DE2521245C3 (de) 1975-05-13 1975-05-13 Schaltungsanordnung für ein zweikanaliges Sicherheitsschaltwerk mit antivalenter Signalverarbeitung

Publications (1)

Publication Number Publication Date
ZA762769B true ZA762769B (en) 1977-04-27

Family

ID=5946427

Family Applications (1)

Application Number Title Priority Date Filing Date
ZA762769A ZA762769B (en) 1975-05-13 1976-05-10 Circuit arrangement for operating fixed-value stores readable by static binary addresses in a twochannel safety switching system with non-equivalence signal processing

Country Status (11)

Country Link
US (1) US4241417A (fr)
AT (1) AT360252B (fr)
BE (1) BE841733A (fr)
CH (1) CH614082A5 (fr)
DE (1) DE2521245C3 (fr)
FR (1) FR2311386A1 (fr)
GB (1) GB1498353A (fr)
IT (1) IT1060299B (fr)
NL (1) NL7605018A (fr)
SE (1) SE413162B (fr)
ZA (1) ZA762769B (fr)

Families Citing this family (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE2729362C2 (de) * 1977-06-29 1982-07-08 Siemens AG, 1000 Berlin und 8000 München Digitale Datenverarbeitungsanordnung, insbesondere für die Eisenbahnsicherungstechnik, mit in zwei Kanälen dieselben Informationen verarbeitenden Schaltwerken
DE10061439B4 (de) * 2000-12-09 2006-07-20 Deutsche Bahn Regio Ag Schaltungsanordnung zur Ansteuerung von Leistungsthyristoren in beweglichen oder stationären Hochspannungsschaltwerken, insbesondere in elektrischen Triebfahrzeugen
US8526209B2 (en) * 2010-12-28 2013-09-03 Stmicroelectronics International N.V. Complementary read-only memory (ROM) cell and method for manufacturing the same
US20170125125A1 (en) * 2015-10-30 2017-05-04 Texas Instruments Incorporated Area-efficient parallel test data path for embedded memories

Family Cites Families (12)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US2861744A (en) * 1955-06-01 1958-11-25 Rca Corp Verification system
US3199077A (en) * 1961-08-21 1965-08-03 Collins Radio Co Code and complement testing device
US3303474A (en) * 1963-01-17 1967-02-07 Rca Corp Duplexing system for controlling online and standby conditions of two computers
US3252149A (en) * 1963-03-28 1966-05-17 Digitronics Corp Data processing system
US3517174A (en) * 1965-11-16 1970-06-23 Ericsson Telefon Ab L M Method of localizing a fault in a system including at least two parallelly working computers
US3471686A (en) * 1966-01-03 1969-10-07 Bell Telephone Labor Inc Error detection system for synchronized duplicate data processing units
US3444528A (en) * 1966-11-17 1969-05-13 Martin Marietta Corp Redundant computer systems
DE1537379C3 (de) * 1967-09-22 1980-07-03 Siemens Ag, 1000 Berlin Und 8000 Muenchen Sicherheitsschaltung zum Durchführen logischer Verknüpfungen für binäre Schaltvariable und deren antivalente Schaltvariable
US3576982A (en) * 1968-12-16 1971-05-04 Ibm Error tolerant read-only storage system
GB1245072A (en) * 1969-02-17 1971-09-02 Automatic Telephone & Elect Improvements in or relating to checking and fault indicating arrangements
US3864670A (en) * 1970-09-30 1975-02-04 Yokogawa Electric Works Ltd Dual computer system with signal exchange system
BE788129A (fr) * 1971-08-30 1973-02-28 Siemens Ag Element de memoire electronique pour installations de traitement de donnees digitales a haute fiabilite en particulier pourle service de securite ferroviaire

Also Published As

Publication number Publication date
AT360252B (de) 1980-12-29
SE7601373L (sv) 1976-09-14
FR2311386A1 (fr) 1976-12-10
DE2521245C3 (de) 1984-03-29
IT1060299B (it) 1982-07-10
BE841733A (fr) 1976-11-12
SE413162B (sv) 1980-04-21
US4241417A (en) 1980-12-23
DE2521245A1 (de) 1976-11-25
FR2311386B1 (fr) 1980-01-11
NL7605018A (nl) 1976-11-16
GB1498353A (en) 1978-01-18
CH614082A5 (fr) 1979-10-31
DE2521245B2 (de) 1978-03-30
ATA94776A (de) 1980-05-15

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