DE9411982U1 - Safety switch arrangement - Google Patents

Safety switch arrangement

Info

Publication number
DE9411982U1
DE9411982U1 DE9411982U DE9411982U DE9411982U1 DE 9411982 U1 DE9411982 U1 DE 9411982U1 DE 9411982 U DE9411982 U DE 9411982U DE 9411982 U DE9411982 U DE 9411982U DE 9411982 U1 DE9411982 U1 DE 9411982U1
Authority
DE
Germany
Prior art keywords
safety switch
switch arrangement
arrangement
safety
switch
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 - Lifetime
Application number
DE9411982U
Other languages
German (de)
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.)
Leuze Electronic GmbH and Co KG
Original Assignee
Leuze Electronic GmbH and Co KG
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 Leuze Electronic GmbH and Co KG filed Critical Leuze Electronic GmbH and Co KG
Priority to DE9411982U priority Critical patent/DE9411982U1/en
Publication of DE9411982U1 publication Critical patent/DE9411982U1/en
Anticipated expiration legal-status Critical
Expired - Lifetime legal-status Critical Current

Links

Classifications

    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
    • F16P—SAFETY DEVICES IN GENERAL; SAFETY DEVICES FOR PRESSES
    • F16P3/00—Safety devices acting in conjunction with the control or operation of a machine; Control arrangements requiring the simultaneous use of two or more parts of the body
    • F16P3/12—Safety devices acting in conjunction with the control or operation of a machine; Control arrangements requiring the simultaneous use of two or more parts of the body with means, e.g. feelers, which in case of the presence of a body part of a person in or near the danger zone influence the control or operation of the machine
    • F16P3/14—Safety devices acting in conjunction with the control or operation of a machine; Control arrangements requiring the simultaneous use of two or more parts of the body with means, e.g. feelers, which in case of the presence of a body part of a person in or near the danger zone influence the control or operation of the machine the means being photocells or other devices sensitive without mechanical contact
    • F16P3/144—Safety devices acting in conjunction with the control or operation of a machine; Control arrangements requiring the simultaneous use of two or more parts of the body with means, e.g. feelers, which in case of the presence of a body part of a person in or near the danger zone influence the control or operation of the machine the means being photocells or other devices sensitive without mechanical contact using light grids
    • 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
    • H01H47/004—Monitoring or fail-safe circuits using plural redundant serial connected relay operated contacts in controlled circuit
    • H01H47/005—Safety control circuits therefor, e.g. chain of relays mutually monitoring each other

Landscapes

  • Engineering & Computer Science (AREA)
  • General Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Air Bags (AREA)
  • Control Of Combustion (AREA)
DE9411982U 1994-07-23 1994-07-23 Safety switch arrangement Expired - Lifetime DE9411982U1 (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
DE9411982U DE9411982U1 (en) 1994-07-23 1994-07-23 Safety switch arrangement

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
DE9411982U DE9411982U1 (en) 1994-07-23 1994-07-23 Safety switch arrangement

Publications (1)

Publication Number Publication Date
DE9411982U1 true DE9411982U1 (en) 1994-09-29

Family

ID=6911559

Family Applications (1)

Application Number Title Priority Date Filing Date
DE9411982U Expired - Lifetime DE9411982U1 (en) 1994-07-23 1994-07-23 Safety switch arrangement

Country Status (1)

Country Link
DE (1) DE9411982U1 (en)

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE19510332A1 (en) * 1995-03-22 1996-10-02 Pilz Gmbh & Co Circuit arrangement and method for testing non-intermittent sensors
DE19912142A1 (en) * 1999-03-18 2000-10-19 Fotoelektrik Pauly Gmbh & Co K Light barrier, for monitoring machinery, performs self-monitoring signal processing so output signal is inhibited if operating voltage fails and/or transmit/receive part fails and/or signal processing part is defective

Cited By (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE19510332A1 (en) * 1995-03-22 1996-10-02 Pilz Gmbh & Co Circuit arrangement and method for testing non-intermittent sensors
US6034612A (en) * 1995-03-22 2000-03-07 Pilz Gmbh & Co. Circuitry and process for testing non-intermittent signal generators
DE19912142A1 (en) * 1999-03-18 2000-10-19 Fotoelektrik Pauly Gmbh & Co K Light barrier, for monitoring machinery, performs self-monitoring signal processing so output signal is inhibited if operating voltage fails and/or transmit/receive part fails and/or signal processing part is defective

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