DE3800829C1 - - Google Patents

Info

Publication number
DE3800829C1
DE3800829C1 DE19883800829 DE3800829A DE3800829C1 DE 3800829 C1 DE3800829 C1 DE 3800829C1 DE 19883800829 DE19883800829 DE 19883800829 DE 3800829 A DE3800829 A DE 3800829A DE 3800829 C1 DE3800829 C1 DE 3800829C1
Authority
DE
Germany
Prior art keywords
output
monostable multivibrator
input
microcomputer
restart
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
DE19883800829
Other languages
German (de)
English (en)
Inventor
Rudolf Kurt 4750 Unna De Kroll
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.)
Hella GmbH and Co KGaA
Original Assignee
Hella KGaA Huek and 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 Hella KGaA Huek and Co filed Critical Hella KGaA Huek and Co
Priority to DE19883800829 priority Critical patent/DE3800829C1/de
Priority to SE8804587A priority patent/SE466072B/sv
Priority to GB8900587A priority patent/GB2213966B/en
Application granted granted Critical
Publication of DE3800829C1 publication Critical patent/DE3800829C1/de
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
    • G06F11/0703—Error or fault processing not based on redundancy, i.e. by taking additional measures to deal with the error or fault not making use of redundancy in operation, in hardware, or in data representation
    • G06F11/0751—Error or fault detection not based on redundancy
    • G06F11/0754—Error or fault detection not based on redundancy by exceeding limits
    • G06F11/0757—Error or fault detection not based on redundancy by exceeding limits by exceeding a time limit, i.e. time-out, e.g. watchdogs
    • 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
    • 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
    • G06F11/0796—Safety measures, i.e. ensuring safe condition in the event of error, e.g. for controlling element

Landscapes

  • Engineering & Computer Science (AREA)
  • Physics & Mathematics (AREA)
  • General Physics & Mathematics (AREA)
  • Theoretical Computer Science (AREA)
  • Quality & Reliability (AREA)
  • General Engineering & Computer Science (AREA)
  • Automation & Control Theory (AREA)
  • Debugging And Monitoring (AREA)
  • Control Of Ac Motors In General (AREA)
DE19883800829 1988-01-14 1988-01-14 Expired DE3800829C1 (no)

Priority Applications (3)

Application Number Priority Date Filing Date Title
DE19883800829 DE3800829C1 (no) 1988-01-14 1988-01-14
SE8804587A SE466072B (sv) 1988-01-14 1988-12-20 Anordning foer oevervakning av elektroniska apparater
GB8900587A GB2213966B (en) 1988-01-14 1989-01-11 Device for monitoring electronic equipment

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
DE19883800829 DE3800829C1 (no) 1988-01-14 1988-01-14

Publications (1)

Publication Number Publication Date
DE3800829C1 true DE3800829C1 (no) 1989-05-24

Family

ID=6345232

Family Applications (1)

Application Number Title Priority Date Filing Date
DE19883800829 Expired DE3800829C1 (no) 1988-01-14 1988-01-14

Country Status (3)

Country Link
DE (1) DE3800829C1 (no)
GB (1) GB2213966B (no)
SE (1) SE466072B (no)

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP0391574A1 (en) * 1989-04-03 1990-10-10 Delco Electronics Corporation Motor control apparatus
DE102005024550A1 (de) * 2005-05-28 2006-11-30 Wilo Ag Hardwarekonzept einer Reset-Schaltung

Families Citing this family (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB9603519D0 (en) * 1996-02-20 1996-04-17 Int Computers Ltd Watchdog circuit

Citations (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB2120428A (en) * 1982-05-19 1983-11-30 Nissan Motor Monitoring apparatus for control system with microcomputer
DE2842392C2 (de) * 1978-09-29 1987-04-16 Robert Bosch Gmbh, 7000 Stuttgart Überwachungseinrichtung für programmgesteuerte Vorrichtungen

Patent Citations (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE2842392C2 (de) * 1978-09-29 1987-04-16 Robert Bosch Gmbh, 7000 Stuttgart Überwachungseinrichtung für programmgesteuerte Vorrichtungen
GB2120428A (en) * 1982-05-19 1983-11-30 Nissan Motor Monitoring apparatus for control system with microcomputer

Non-Patent Citations (1)

* Cited by examiner, † Cited by third party
Title
HUSE, Horst: "Watch-dog"-Schaltungen erkennen uP-Systemstörungen In: Elektronik 1980, S. 92-94 *

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP0391574A1 (en) * 1989-04-03 1990-10-10 Delco Electronics Corporation Motor control apparatus
DE102005024550A1 (de) * 2005-05-28 2006-11-30 Wilo Ag Hardwarekonzept einer Reset-Schaltung

Also Published As

Publication number Publication date
GB2213966A (en) 1989-08-23
GB2213966B (en) 1992-05-06
GB8900587D0 (en) 1989-03-08
SE8804587L (sv) 1989-07-15
SE8804587D0 (sv) 1988-12-20
SE466072B (sv) 1991-12-09

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Legal Events

Date Code Title Description
8100 Publication of the examined application without publication of unexamined application
D1 Grant (no unexamined application published) patent law 81
8364 No opposition during term of opposition
8339 Ceased/non-payment of the annual fee