EP2053624A1 - Commutateur préfabriqué pour la commutation sécurisée et non sécurisée de sorties - Google Patents

Commutateur préfabriqué pour la commutation sécurisée et non sécurisée de sorties Download PDF

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Publication number
EP2053624A1
EP2053624A1 EP07020718A EP07020718A EP2053624A1 EP 2053624 A1 EP2053624 A1 EP 2053624A1 EP 07020718 A EP07020718 A EP 07020718A EP 07020718 A EP07020718 A EP 07020718A EP 2053624 A1 EP2053624 A1 EP 2053624A1
Authority
EP
European Patent Office
Prior art keywords
signal
safety
switching device
switch
housing
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.)
Granted
Application number
EP07020718A
Other languages
German (de)
English (en)
Other versions
EP2053624B1 (fr
Inventor
Werner Krämer
Manfred Prölss
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.)
Siemens AG
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
Priority to EP07020718.8A priority Critical patent/EP2053624B1/fr
Priority to PCT/EP2008/061793 priority patent/WO2009053143A1/fr
Publication of EP2053624A1 publication Critical patent/EP2053624A1/fr
Application granted granted Critical
Publication of EP2053624B1 publication Critical patent/EP2053624B1/fr
Active legal-status Critical Current
Anticipated expiration legal-status Critical

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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
    • H01H47/004—Monitoring or fail-safe circuits using plural redundant serial connected relay operated contacts in controlled circuit

Definitions

  • the present invention relates to a prefabricated switching device having a housing.
  • Such switching devices are known in various configurations.
  • such a switching device in which the housing has a number of input terminals, via which the switching device in each case a signal to be switched is supplied.
  • the input terminals are each connected via a single-channel safe switch with a corresponding output terminal, so that via the output terminals in each case a switched signal to the outside of the switching device can be issued.
  • a safety-oriented circuit is arranged, which can be supplied from outside the housing at least one safety-related shutdown signal. In the case of supplying the safety-related shutdown signal, the safety-related circuit actuates the safe switches associated with the respective safety-related shutdown signal, so that these switches are opened.
  • a switching device in which the housing has a first input terminal, via which the switching device, a first signal to be switched is supplied.
  • the first input terminal is connected to output terminals via parallel-connected signal paths so that a switched signal can be output to the outside of the switching device via the output terminals.
  • a control circuit is arranged, are arranged independently of the switch arranged in the signal paths switch.
  • the object of the present invention is to provide a switching device that is simple and inexpensive and by means of which several drives both safe and operational (unsafe) are switchable.
  • a prefabricated switching device has a housing 1.
  • the housing 1 has a first input connection 2.
  • a first signal E1 to be switched can be supplied to the switching device via the first input terminal 2.
  • the first input terminal 2 is connected to output terminals 7 to 9 via a first single-channel safe switch 3 and three signal paths 4 to 6 connected in parallel to one another.
  • a switched signal A1 to A3 can be output to the outside of the switching device via the output connections 7 to 9.
  • the safe switch 3 may, for example, comprise (at least) two series-connected switching elements 3 ', 3 ", for example relays, in this case the switching elements 3', 3" each have their own actuators, via which only the respective switching element 3 ', Alternatively, the safe switch 3 may, for example, be designed as a simple switch whose switching state is reliably monitored Circuit 10 issued a corresponding error message.
  • the safety-related circuit 10 is disposed within the housing 1.
  • the safety-related circuit 10 is from outside the housing 1 - for example via a shutdown input 11 - a safety-related shutdown signal S fed.
  • the safety-related circuit 10 activates the first safe switch 3, so that the first safe switch 3 is opened.
  • all signal paths 4 to 6 are thus reliably separated from the first input terminal 2.
  • the further switches 12, 13 can be controlled independently of one another by the control circuit 14.
  • the control of the further switches 12, 13 is also independent of the safety-related switch-off signal S.
  • control circuit 14 automatically decides on the basis of an internal configuration of the control circuit 14 when and how it controls the further switches 12, 13.
  • the control circuit 14 it is possible for the control circuit 14 to be supplied with control signals S1, S2 from outside the housing and for the control circuit 14 to actuate the further switches 12, 13 in dependence on the control signals S1, S2 supplied thereto.
  • control terminals 15, 16 are provided for supplying the control signals S1, S2.
  • this illustration is only an example.
  • the omitted signal path may alternatively be the non-switchable signal path 6 or one of the switchable signal paths 4, 5. If further signal paths are present, these signal paths are preferably switchable. However, they may alternatively (at least partially) be designed as non-switchable signal paths.
  • the housing 1 has a second input terminal 17. Via the second input terminal 17, a second signal E2 to be switched can be fed to the switching device.
  • the second input terminal 17 is connected directly to an additional output terminal 19 via a second single-channel safe switch 18.
  • a switched signal A4 can also be output to the outside of the switching device via the additional output connection 19.
  • the second safe switch 18 is constructed analogously to the first safe switch 3. It is also driven by the safety-related circuit 10, together with the first safe switch 3. In the case of supplying the safety-related switch-off signal S, therefore, the safety-related circuit 10 also controls the second safe switch Switch 18, so that the second safe switch 18 is opened.

Landscapes

  • Electronic Switches (AREA)
EP07020718.8A 2007-10-23 2007-10-23 Commutateur préfabriqué pour la commutation sécurisée et non sécurisée de sorties Active EP2053624B1 (fr)

Priority Applications (2)

Application Number Priority Date Filing Date Title
EP07020718.8A EP2053624B1 (fr) 2007-10-23 2007-10-23 Commutateur préfabriqué pour la commutation sécurisée et non sécurisée de sorties
PCT/EP2008/061793 WO2009053143A1 (fr) 2007-10-23 2008-09-05 Appareil de commutation préfabriqué pour la commutation sécurisée et non sécurisée de sorties

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
EP07020718.8A EP2053624B1 (fr) 2007-10-23 2007-10-23 Commutateur préfabriqué pour la commutation sécurisée et non sécurisée de sorties

Publications (2)

Publication Number Publication Date
EP2053624A1 true EP2053624A1 (fr) 2009-04-29
EP2053624B1 EP2053624B1 (fr) 2019-06-12

Family

ID=39190341

Family Applications (1)

Application Number Title Priority Date Filing Date
EP07020718.8A Active EP2053624B1 (fr) 2007-10-23 2007-10-23 Commutateur préfabriqué pour la commutation sécurisée et non sécurisée de sorties

Country Status (2)

Country Link
EP (1) EP2053624B1 (fr)
WO (1) WO2009053143A1 (fr)

Citations (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FR2514944A1 (fr) * 1981-10-20 1983-04-22 Hubert Jean Louis Interrupteurs et relais electromecaniques a contacts autocontroles
EP0865055A1 (fr) * 1996-09-03 1998-09-16 The Nippon Signal Co. Ltd. Circuit d'attaque charge
DE20203165U1 (de) * 2002-03-01 2002-06-27 Dewert Antriebs Systemtech Elektromotorische Verstellanordnung
DE102004033359A1 (de) * 2004-07-01 2006-02-09 Pilz Gmbh & Co. Kg Vorrichtung zum fehlersicheren Abschalten eines elektrischen Verbrauchers, insbesondere einer elektrisch angetriebenen Maschine

Patent Citations (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FR2514944A1 (fr) * 1981-10-20 1983-04-22 Hubert Jean Louis Interrupteurs et relais electromecaniques a contacts autocontroles
EP0865055A1 (fr) * 1996-09-03 1998-09-16 The Nippon Signal Co. Ltd. Circuit d'attaque charge
DE20203165U1 (de) * 2002-03-01 2002-06-27 Dewert Antriebs Systemtech Elektromotorische Verstellanordnung
DE102004033359A1 (de) * 2004-07-01 2006-02-09 Pilz Gmbh & Co. Kg Vorrichtung zum fehlersicheren Abschalten eines elektrischen Verbrauchers, insbesondere einer elektrisch angetriebenen Maschine

Also Published As

Publication number Publication date
EP2053624B1 (fr) 2019-06-12
WO2009053143A1 (fr) 2009-04-30

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