EP0222030B1 - Initiator terminal block - Google Patents

Initiator terminal block Download PDF

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Publication number
EP0222030B1
EP0222030B1 EP85114287A EP85114287A EP0222030B1 EP 0222030 B1 EP0222030 B1 EP 0222030B1 EP 85114287 A EP85114287 A EP 85114287A EP 85114287 A EP85114287 A EP 85114287A EP 0222030 B1 EP0222030 B1 EP 0222030B1
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EP
European Patent Office
Prior art keywords
terminals
terminal block
initiator
terminal
initiators
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
EP85114287A
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German (de)
French (fr)
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EP0222030A1 (en
Inventor
Heinrich Franke
Horst Conrad
Wolfgang Schild
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.)
Ca Weidmueller & Co GmbH
Weidmueller Interface GmbH and Co KG
Original Assignee
Ca Weidmueller & Co GmbH
Weidmueller Interface 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.)
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Publication date
Application filed by Ca Weidmueller & Co GmbH, Weidmueller Interface GmbH and Co KG filed Critical Ca Weidmueller & Co GmbH
Priority to DE8585114287T priority Critical patent/DE3571177D1/en
Priority to AT85114287T priority patent/ATE44194T1/en
Priority to EP85114287A priority patent/EP0222030B1/en
Publication of EP0222030A1 publication Critical patent/EP0222030A1/en
Priority to US07/165,343 priority patent/US4795376A/en
Application granted granted Critical
Publication of EP0222030B1 publication Critical patent/EP0222030B1/en
Expired legal-status Critical Current

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    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01R—ELECTRICALLY-CONDUCTIVE CONNECTIONS; STRUCTURAL ASSOCIATIONS OF A PLURALITY OF MUTUALLY-INSULATED ELECTRICAL CONNECTING ELEMENTS; COUPLING DEVICES; CURRENT COLLECTORS
    • H01R9/00—Structural associations of a plurality of mutually-insulated electrical connecting elements, e.g. terminal strips or terminal blocks; Terminals or binding posts mounted upon a base or in a case; Bases therefor
    • H01R9/22—Bases, e.g. strip, block, panel
    • H01R9/24—Terminal blocks
    • H01R9/26—Clip-on terminal blocks for side-by-side rail- or strip-mounting

Definitions

  • the present invention relates to an initiator terminal block with at least two three-storey terminals, for the supply-related and control-related connection of one initiator or several initiators with a supply voltage source and with a signal receiver or with several signal receivers.
  • all of its switching connections are made in a single terminal of such a block for one initiator each such that the initiator in question is connected directly to the voltage source via its terminal with a corresponding number of supply lines, and it is also connected is connected by means of this terminal through control lines to the signal receiver assigned to it.
  • connection points for the numerous supply and control conductors per terminal, so that even when using three-level terminals, these terminals are extremely long, since three connection points are required on both the front and the back, these connection points are to be connected to one another in an electrically conductive manner by busbars or the like.
  • Establishing the connections requires a great deal of attention, since both supply conductors and circuit conductors must be connected on both terminal sides.
  • the present invention is therefore based on the object of creating an initiator terminal block of the generic type, the terminals of which require very little space and at the same time form a considerably simplified connection option for the various conductors.
  • the solution according to the invention is that the two lower floors of the terminals of the terminal block have only one connection point, each of which is assigned a cross connector connection, while the top floor of the terminals has two connection points, only one terminal of the terminal block with its two lower floors is connected to the supply voltage source and the supply voltage is distributed via the cross connector to the lower levels of the other terminal or terminals of the terminal block for connecting the initiator or initiators there.
  • the drawing shows an initiator terminal block according to the invention in perspective, with an illustration of the circuitry connection of the initiator terminal block with the voltage source, the initiators and the signal generators.
  • the exemplary embodiment shown assumes that three initiators 1 a, 1b and 1 c are to be linked in terms of control technology to three signal receivers 2a, 2b and 2c.
  • This can be, for example, three relays, each of which then closes the supply line for a contactor based on a signal from the corresponding initiator.
  • the initiators 1a, 1b and 1c are supplied with the supply voltage by a voltage source, for example a rectifier 3, via the supply lines shown in dashed (+) and dash-dotted lines (-), to which the relays 2a, 2b are also connected by means of a distributor 4 and 2c.
  • a voltage source for example a rectifier 3
  • the supply lines shown in dashed (+) and dash-dotted lines (-) to which the relays 2a, 2b are also connected by means of a distributor 4 and 2c.
  • the initiator terminal block shown now has a total of four individual terminals 5, 5a, 5b and 5c for actuating the necessary switching connections.
  • the terminals 5, 5a, 5b and 5c are snapped together next to each other on a standardized mounting rail.
  • the terminals 5, 5a, 5b and 5c have three levels. All terminals have only a single connection point in their two lower levels, which in the exemplary embodiment shown are screw connections 7 and 7 ' forms is. Only the top floor of the terminals has two connection points, screw connections 7 ′′ being also provided here in the exemplary embodiment shown, which are conductively connected to one another in the usual manner by a busbar 8.
  • connections 7 and 7 'in the two lower floors of the terminals 5, 5a, 5b and 5c are assigned cross connector connections, for which purpose in the exemplary embodiment shown, short conductor rail pieces 9 and 9' are assigned to the screw connections, which are only slightly into the interior of the terminals protrude, so that, as the illustration of the drawing shows, there is a large free interior space in the terminals, despite their relative shortness, in which circuits and their components can also be accommodated.
  • the conductor rail pieces 9 and 9 ' can also be used to connect the circuits and circuit elements which may be accommodated in the interior of the terminals, for example via solder connections here.
  • the busbar pieces 9 and 9 ' also serve to connect internal cross-connectors 10 and 10' for the two lower floors, which extend over the terminals of the initiator terminal block.
  • the busbar pieces 9 and 9 ' are provided with threaded holes into which screws 11 and 11', respectively, which are inserted through the cross connectors 10 and 10 ', are screwed in, the distance between the cross connectors 10, 10' and the busbar pieces 9, 9 'being determined by electrically conductive spacer sleeves 12, 12 'is bridged.
  • the circuitry linking the initiators 1 a, 1 b and 1 c to the voltage source 3 is now carried out in such a way that only one terminal 5 of the initiator terminal block is connected directly to the voltage source 3 via corresponding conductors.
  • the supply voltage for the three initiators 1a, 1 and 1 is then based on this one terminal 5 of the initiator terminal block via the cross connector 10,11, 12 or 10 ', 11', 12 'and the busbar pieces 9 or 9' on the other, assigned to the individual initiators, terminals 5a, 5b and 5c of the terminal block, to the two lower floors of which the initiators 1 a, 1 b and 1 c are then connected accordingly, as illustrated by the corresponding dashed conductor diagrams with corresponding arrows.
  • isolating elements can be provided on the top floors of the corresponding terminals 5a, 5b, 5c of the terminal block between the two connection points, which enable the respective control circuit to be interrupted.

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  • Connections Arranged To Contact A Plurality Of Conductors (AREA)
  • Coupling Device And Connection With Printed Circuit (AREA)
  • Dental Preparations (AREA)

Abstract

An initiator terminal block for connecting a plurality of initiators with an electric power source, on the one hand, and with signal receivers, on the other hand, includes a plurality of terminal units each having a plurality of connecting locations arranged in three tiers situated above one another, each of the lower two tiers of each of the terminal units having only a single one of the connecting locations while the uppermost one of the tiers of each of the terminal units has two of the connecting locations that are electrically interconnected and are to be respectively electrically connected with the respective initiator and the respective signal receiver. Only one of the single connecting locations of each of the lower tiers of the terminal units is connected with the power source and the electric power supplied to this single connecting location is distributed by a transverse connector arrangement to all of the connecting locations of the terminal units that are arranged in the same tier for connecting the respective initiators thereat.

Description

Die vorliegende Erfindung betrifft einen Initiatorklemmenblock mit mindestens zwei dreistöckigen Klemmen, zur versorgungstechnischen und steuertechnischen Verknüpfung von einem Initiator oder mehreren Initiatoren mit einer Versorgungsspannungsquelle und mit einem Signalempfänger bzw. mit mehreren Signalempfängern. Bei der bislang üblichen Ausgestaltung derartiger Initiatorklemmenblocks werden jeweils in einer einzelnen Klemme eines derartigen Blockes für jeweils einen Initiator alle dessen schalttechnischen Verknüpfungen derart vorgenommen, daß der betroffene Initiator über seine Klemme jeweils mit einer entsprechenden Anzahl von Vorsorgungsleitungen direkt mit der Spannungsquelle verbunden wird und er ferner mittels dieser Klemme durch Steuerleitungen mit dem ihm zugeordneten Signalempfänger verbunden wird. Es ergibt sich hierdurch pro Klemme das Erfordernis einer großen Anzahl von Anschlußstellen für die zahlreichen Versorgungs- und Steuerleiter, so daß auch bei Verwendung von dreistöckigen Klemmen diese Klemmen außerordentlich lang werden, da sowohl auf der Vorderseite wie auf der Rückseite jeweils drei Anschlußstellen benötigt werden, wobei diese Anschlußstellen etagenweise durch Stromschienen oder dergleichen elektrisch leitend miteinander zu verbinden sind. Das Herstellen der Anschlüsse erfordert viel Aufmerksamkeit, da auf beiden Klemmenseiten sowohl Versorgungsleiter wie auch Schaltungsleiter angeschlossen werden müssen.The present invention relates to an initiator terminal block with at least two three-storey terminals, for the supply-related and control-related connection of one initiator or several initiators with a supply voltage source and with a signal receiver or with several signal receivers. In the previously common design of such initiator terminal blocks, all of its switching connections are made in a single terminal of such a block for one initiator each such that the initiator in question is connected directly to the voltage source via its terminal with a corresponding number of supply lines, and it is also connected is connected by means of this terminal through control lines to the signal receiver assigned to it. This results in the requirement for a large number of connection points for the numerous supply and control conductors per terminal, so that even when using three-level terminals, these terminals are extremely long, since three connection points are required on both the front and the back, these connection points are to be connected to one another in an electrically conductive manner by busbars or the like. Establishing the connections requires a great deal of attention, since both supply conductors and circuit conductors must be connected on both terminal sides.

Aus der GB-A 1 380 533 sind Querverbinder zur Verbindung auf der gleichen Etage liegender Anschlußstellen von nebeneinander aufgereihten Klemmen eines Klemmenblockes bekannt.From GB-A 1 380 533 cross-connectors for connecting connection points on the same floor of terminals of a terminal block lined up next to one another are known.

Der vorliegenden Erfindung liegt von daher die Aufgabe zugrunde, einen Initiatorklemmenblock der gattungsgemäßen Art zu schaffen, dessen Klemmen einen denkbar geringen Raumbedarf haben und dabei eine erheblich vereinfachte Anschlußmöglichkeit für die verschiedenen Leiter bilden.The present invention is therefore based on the object of creating an initiator terminal block of the generic type, the terminals of which require very little space and at the same time form a considerably simplified connection option for the various conductors.

Die erfindungsgemäße Lösung besteht darin, daß jeweils die beiden unteren Etagen der Klemmen des Klemmenblockes nur eine Anschlußstelle haben, der jeweils ein Querverbinderanschluß zugeordnet ist, während jeweils die oberste Etage der Klemmen zwei Anschußstellen aufweist, wobei nur eine Klemme des Klemmenblockes mit ihren beiden unteren Etagen an die Versorgungsspannungsquelle angeschlossen ist und die Versorgungsspannung über die Querverbinder auf die unteren Etagen der anderen Klemme bzw. Klemmen des Klemmenblockes zum dortigen Anschluß des Initiators bzw. der Initiatoren verteilt ist.The solution according to the invention is that the two lower floors of the terminals of the terminal block have only one connection point, each of which is assigned a cross connector connection, while the top floor of the terminals has two connection points, only one terminal of the terminal block with its two lower floors is connected to the supply voltage source and the supply voltage is distributed via the cross connector to the lower levels of the other terminal or terminals of the terminal block for connecting the initiator or initiators there.

Dank dieser Ausgestaltung kommen in den beiden unteren Etagen der einzelnen Klemmen des Klemmenblockes die rückwärtigen Anschlüsse völlig in Fortfall, so daß die einzelnen Klemmen und damit der daraus zusammengesetzte Klemmenblock wesentlich kürzer baut. Die geringfügige Erhöhung der Anreihbreite eines darartigen Blockes dadurch, daß die ausschließlich für den Anschluß der Spannungsquelle vorgesehene Klemme, bezogen auf die Verknüpfung der Initiatoren, als zusätzliche Klemme anzusehen ist, fällt demgegenüber nicht ins Gewicht. Trotz der erheblichen Verkürzung der Klemmen des Klemmenblockes steht, da in den unteren Etagen der einzelnen Klemmen nur vorderseitig jeweils eine Anschlußstelle vorgesehen ist, in den Klemmen trotzdem ein großer Innenraum für die Unterbringung von Schaltungselementen zur Verfügung. Ein derartiger Klemmenblock bietet auch eine gute und sehr einfache Anschlußmöglichkeit für die Leiter, da sich jetzt alle Versorgungsleitungen, sowohl die zur Spannungsquelle wie auch die zu den Initiatoren, als Hin- und Rückleitung nur auf einer Seite des Klemmenblockes befinden.Thanks to this configuration, the rear connections are completely eliminated in the two lower floors of the individual terminals of the terminal block, so that the individual terminals and thus the terminal block composed of them are built much shorter. The slight increase in the baying width of a block of this type in that the terminal which is provided exclusively for the connection of the voltage source, in relation to the connection of the initiators, is to be regarded as an additional terminal, is of no consequence. Despite the considerable shortening of the terminals of the terminal block, since in the lower levels of the individual terminals only one connection point is provided on the front side, a large interior space is still available in the terminals for accommodating circuit elements. Such a terminal block also offers a good and very simple connection option for the conductors, since all supply lines, both to the voltage source and to the initiators, are now only available on one side of the terminal block as a forward and return line.

Es werden jetzt nur noch die Steuerleitungen auf einer Seite von den Initiatoren aus in die Klemmen des Klemmenblockes geführt und auf der anderen Klemmenseite zu den Signalempfängern herausgeführt.Now only the control lines from the initiators are led into the terminals of the terminal block and lead out to the signal receivers on the other side of the terminal.

Weitere Ausgestaltungen sind in den Unteransprüchen gekennzeichnet. Hervorzuheben ist die Zuordnung eines kurzen Stromschienenstückes zu den Anschlußstellen in den unteren Etagen der Klemmen. Diese Stromschienenstücke ragen nur wenig in den Isolierkörper hinein, ermöglichen aber einerseits das Anschließen der Querverbinder sowie ferner das Tätigen beispielsweise von Lötanschlüssen im Inneren der Klemme für etwaige dort unterzubringende Schaltungen, für die ja jetzt ein ausreichender Raum zur Verfügung steht.Further configurations are characterized in the subclaims. The assignment of a short conductor rail section to the connection points on the lower levels of the terminals should be emphasized. These conductor rail pieces protrude only a little into the insulating body, but on the one hand enable the connection of the cross connectors and also make, for example, solder connections inside the terminal for any circuits to be accommodated there, for which there is now sufficient space available.

Ein Ausführungsbeispiel eines Initiatorklemmenblockes gemäß der Erfindung wird nachstehend unter Bezugnahme auf die Zeichnung näher beschrieben.An embodiment of an initiator terminal block according to the invention is described below with reference to the drawing.

Die Zeichnung zeigt einen Initiatorklemmenblock gemäß der Erfindung in perspektivischer Darstellung, mit Illustration der schalttechnischen Verknüpfung des Initiatorklemmenblockes mit der Spannungsquelle, den Initiatoren und den Signalgebern.The drawing shows an initiator terminal block according to the invention in perspective, with an illustration of the circuitry connection of the initiator terminal block with the voltage source, the initiators and the signal generators.

Das dargestellte Ausführungsbeispiel geht davon aus, daß drei Initiatoren 1 a, 1b und 1 c jeweils mit drei Signalempfängern 2a, 2b und 2c steuertechnisch zu verknüpfen sind. Es kann sich hierbei beispielsweise um drei Relais handeln, die dann jeweils aufgrund eines Signales des entsprechenden Initiators die Versorgungsleitung für ein Schütz schließen.The exemplary embodiment shown assumes that three initiators 1 a, 1b and 1 c are to be linked in terms of control technology to three signal receivers 2a, 2b and 2c. This can be, for example, three relays, each of which then closes the supply line for a contactor based on a signal from the corresponding initiator.

Die Initiatoren 1a, 1b und 1c werden von einer Spannungsquelle, beispielsweise einem Gleichrichter 3, über die in der Zeichnung gestrichelt (+) und strichpunktiert (-) dargestellten Versorgungsleiter mit der Versorgungsspannung beaufschlagt, an die auch mittels eines Verteilers 4 die Relais 2a, 2b und 2c gelegt werden.The initiators 1a, 1b and 1c are supplied with the supply voltage by a voltage source, for example a rectifier 3, via the supply lines shown in dashed (+) and dash-dotted lines (-), to which the relays 2a, 2b are also connected by means of a distributor 4 and 2c.

Für die Betätigung der erforderlichen schalttechnischen Verknüpfungen weist nun der dargestellte Initiatorklemmenblock insgesamt vier einzelne Klemmen 5, 5a, 5b und 5c auf. Die Klemmen 5, 5a, 5b und 5c sind nebeneinander auf einer genormten Tragschiene aufgerastet. Dabei haben die Klemmen 5, 5a, 5b und 5c drei Etagen. Alle Klemmen haben dabei in ihren beiden unteren Etagen jeweils nur eine einzige Anschlußstelle, die im dargestellten Ausführungsbeispiel als Schraubanschluß 7 bzw. 7' ausgebildet ist. Lediglich die oberste Etage der Klemmen weist zwei Anschlußstellen auf, wobei im dargestellten Ausführungsbeispiel auch hier Schraubanschlüsse 7" vorgesehen sind, die untereinander in der üblichen Weise durch eine Stromschiene 8 leitend miteinander verbunden sind.The initiator terminal block shown now has a total of four individual terminals 5, 5a, 5b and 5c for actuating the necessary switching connections. The terminals 5, 5a, 5b and 5c are snapped together next to each other on a standardized mounting rail. The terminals 5, 5a, 5b and 5c have three levels. All terminals have only a single connection point in their two lower levels, which in the exemplary embodiment shown are screw connections 7 and 7 ' forms is. Only the top floor of the terminals has two connection points, screw connections 7 ″ being also provided here in the exemplary embodiment shown, which are conductively connected to one another in the usual manner by a busbar 8.

Den einzigen Anschlüssen 7 bzw. 7' in den beiden unteren Etagen der Klemmen 5, 5a, 5b und 5c sind dagegen Querverbinderanschlüsse zugeordnet, wozu im dargestellten Ausführungsbeispiel den Schraubanschlüssen jeweils kurze Stromschienenstücke 9 bzw. 9' zugeordnet sind, die nur wenig in den Innenraum der Klemmen vorstehen, so daß, wie die Anschauung der Zeichnung zeigt, in den Klemmen trotz ihrer relativen Kürze ein großer freier Innenraum vorhanden ist, in dem Schaltungen und deren Bausteine zusätzlich untergebracht werden können.The only connections 7 and 7 'in the two lower floors of the terminals 5, 5a, 5b and 5c, on the other hand, are assigned cross connector connections, for which purpose in the exemplary embodiment shown, short conductor rail pieces 9 and 9' are assigned to the screw connections, which are only slightly into the interior of the terminals protrude, so that, as the illustration of the drawing shows, there is a large free interior space in the terminals, despite their relative shortness, in which circuits and their components can also be accommodated.

Die Stromschienenstücke 9 und 9' können auch dazu benutzt werden, beispielsweise über Lötanschlüsse hier die im Innenraum der Klemmen etwaig untergebrachten Schaltungen und Schaltungselemente anzuschließen.The conductor rail pieces 9 and 9 'can also be used to connect the circuits and circuit elements which may be accommodated in the interior of the terminals, for example via solder connections here.

Die Stromschienenstücke 9 und 9' dienen ferner dazu, innenliegende, sich über die Klemmen des Initiatorklemmenblockes erstrekkende Querverbinder 10 bzw. 10' für die beiden unteren Etagen anzuschließen. Hierzu sind die Stromschienenstücke 9 und 9' mit Gewindelöchern versehen, in die auch durch die Querverbinder 10 bzw. 10' gesteckte Schrauben 11 bzw 11' eingeschraubt werden, wobei die Distanz zwischen dem Querverbindern 10, 10' und den Stromschienenstücken 9, 9' durch elektrisch leitende Distanzhülsen 12, 12' überbrückt wird.The busbar pieces 9 and 9 'also serve to connect internal cross-connectors 10 and 10' for the two lower floors, which extend over the terminals of the initiator terminal block. For this purpose, the busbar pieces 9 and 9 'are provided with threaded holes into which screws 11 and 11', respectively, which are inserted through the cross connectors 10 and 10 ', are screwed in, the distance between the cross connectors 10, 10' and the busbar pieces 9, 9 'being determined by electrically conductive spacer sleeves 12, 12 'is bridged.

Die schaltungstechnische Verknüpfung der Initiatoren 1 a, 1 b und 1 c mit der Spannungsquelle 3 wird nun so vorgenommen, daß ausschließlich nur eine Klemme 5 des Initiatorklemmenblockes direkt über entsprechende Leiter mit der Spannungsquelle 3 verbunden wird. Die Versorgungsspannung für die drei Initiatoren 1a, 1 und 1 wird dann ausgehend von dieser einen Klemme 5 des Initiatorklemmenblockes über den Querverbinderanschlu 10,11, 12 bzw. 10', 11', 12' und die Stromschienenstücke 9, bzw. 9' auf die anderen, den einzelnen Initiatoren zugeordneten Klemmen 5a, 5b und 5c des Klemmenblockes verteilt, an deren beide unteren Etagen dann die Initiatoren 1 a, 1 b und 1 c entsprechend angeschlossen werden, wie durch die entsprechend gestrichelten Leiterdarstellungen mit entsprechenden Pfeilen illustriert ist.The circuitry linking the initiators 1 a, 1 b and 1 c to the voltage source 3 is now carried out in such a way that only one terminal 5 of the initiator terminal block is connected directly to the voltage source 3 via corresponding conductors. The supply voltage for the three initiators 1a, 1 and 1 is then based on this one terminal 5 of the initiator terminal block via the cross connector 10,11, 12 or 10 ', 11', 12 'and the busbar pieces 9 or 9' on the other, assigned to the individual initiators, terminals 5a, 5b and 5c of the terminal block, to the two lower floors of which the initiators 1 a, 1 b and 1 c are then connected accordingly, as illustrated by the corresponding dashed conductor diagrams with corresponding arrows.

Hieraus ergibt sich, daß sämtliche Versorgungsleiter sich als Hin- und Rückleiter auf nur einer Seite des Initiatorklemmenblockes befinden.The result of this is that all supply conductors are located on only one side of the initiator terminal block as outgoing and return conductors.

Lediglich in der obersten Etage werden die Steuerleitungen von den Initiatoren 1a, 1b und 1c auf der einen Seite in die entsprechenden Klemmen 5a, 5b und 5c des Klemmenblockes eingeführt und auf der anderen Seite zu den entsprechenden Signalempfängern 2a, 2b und 2c herausgeführt.Only on the top floor are the control lines from the initiators 1a, 1b and 1c inserted on one side into the corresponding terminals 5a, 5b and 5c of the terminal block and out on the other side to the corresponding signal receivers 2a, 2b and 2c.

In weiterer Ausgestaltung können hier in den obersten Etagen der entsprechenden Klemmen 5a, 5b, 5c des Klemmenblockes jeweils zwischen den beiden Anschlußstellen Trennglieder vorgesehen werden, die ein Unterbrechen des jeweiligen Steuerstromkreises ermöglichen.In a further embodiment, isolating elements can be provided on the top floors of the corresponding terminals 5a, 5b, 5c of the terminal block between the two connection points, which enable the respective control circuit to be interrupted.

Claims (4)

1. An initiator terminal block comprising at least two three-tier terminals (5, 5a, 5b, 5c) for connecting an initiator (1 a) or a plurality of initiators (1 a, 1b, 1c) for supply and control purposes, to a voltage supply source (3) and a signal receiver (2a) or a plurality of signal receivers (2a, 2b, 2c) respectively, characterised in that the two lower tiers of each of the terminals (5, 5a, 5b, 5c) of the terminal block have only one connecting location (7, 7'), with each of which is associated a respective cross connector connection (9, 10, 11, 12, 9', 10', 11',12') while the uppermost tier of each of the terminals (5, 5a, 5b, 5c) has two connecting locations (7"), wherein only one terminal (5) of the terminal block is connected with its two lower tiers to the voltage supply source (3) and the supply voltage is distributed by way of the cross connector connections (9, 10, 11, 12, 9', 10', 11', 12') to the lower tiers of the other terminal (5a) or terminals (5a, 5b, 5c) respectively of the terminal block for connection thereat of the initiator (1a) or the initiators (1 a, 1b, 1c) respectively.
2. An initiator terminal block according to claim 1 characterised in that the single connecting locations (7, T) of the lower tiers of the terminals (5, 5a, 5b, 5c) each have associated therewith short inwardly facing current bus bar portions (9, 9') to which internally disposed circuit elements can be connected and which have a screwthreaded hole for connection of a cross connector (10, 10') which extends over the respective lower tier.
3. An initiator terminal block according to claim 2 characterised in that internally disposed cross connectors (10, 10') are fitted in the two lower tiers of the terminals (5, 5a, 5b, 5c) and are electrically conductively connected by means of screws (11, 11 and spacer sleeves (12, 12') to the respective current bus bar portions (9, 9') in the lower tiers of the terminals (5, 5a, 5b, 5c).
4. An initiator terminal block according to one of claims 1 to 3 characterised in that the uppermost tier of the terminal (5a) or terminals (5a, 5b, 5c) to be connected to the initiator (1 a) or to the initiators (1 a, 1b, 1c) and to the signal receiver (2a) or to the signal receivers (2a, 2b, 2c) respectively for control purposes has a respective separating member, between the two connecting locations (7"), for interrupting the control circuit.
EP85114287A 1985-11-09 1985-11-09 Initiator terminal block Expired EP0222030B1 (en)

Priority Applications (4)

Application Number Priority Date Filing Date Title
DE8585114287T DE3571177D1 (en) 1985-11-09 1985-11-09 INITIATOR TERMINAL BLOCK
AT85114287T ATE44194T1 (en) 1985-11-09 1985-11-09 INITIATOR TERMINAL BLOCK.
EP85114287A EP0222030B1 (en) 1985-11-09 1985-11-09 Initiator terminal block
US07/165,343 US4795376A (en) 1985-11-09 1988-02-29 Initiator terminal block

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
EP85114287A EP0222030B1 (en) 1985-11-09 1985-11-09 Initiator terminal block

Publications (2)

Publication Number Publication Date
EP0222030A1 EP0222030A1 (en) 1987-05-20
EP0222030B1 true EP0222030B1 (en) 1989-06-21

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EP85114287A Expired EP0222030B1 (en) 1985-11-09 1985-11-09 Initiator terminal block

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US (1) US4795376A (en)
EP (1) EP0222030B1 (en)
AT (1) ATE44194T1 (en)
DE (1) DE3571177D1 (en)

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EP3132502B1 (en) 2014-04-14 2021-05-19 Weidmüller Interface GmbH & Co. KG Terminal block

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Publication number Priority date Publication date Assignee Title
EP3132502B1 (en) 2014-04-14 2021-05-19 Weidmüller Interface GmbH & Co. KG Terminal block

Also Published As

Publication number Publication date
ATE44194T1 (en) 1989-07-15
US4795376A (en) 1989-01-03
EP0222030A1 (en) 1987-05-20
DE3571177D1 (en) 1989-07-27

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