WO2011047826A1 - Dispositif de commande et procédé pour une commande par potentiels de tension d'appareils de terrain - Google Patents

Dispositif de commande et procédé pour une commande par potentiels de tension d'appareils de terrain Download PDF

Info

Publication number
WO2011047826A1
WO2011047826A1 PCT/EP2010/006364 EP2010006364W WO2011047826A1 WO 2011047826 A1 WO2011047826 A1 WO 2011047826A1 EP 2010006364 W EP2010006364 W EP 2010006364W WO 2011047826 A1 WO2011047826 A1 WO 2011047826A1
Authority
WO
WIPO (PCT)
Prior art keywords
potential
switching
voltage potential
line
switch
Prior art date
Application number
PCT/EP2010/006364
Other languages
German (de)
English (en)
Inventor
Michael Lehzen
Original Assignee
"Hesch" Schröder GmbH System Engineering + Production
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 "Hesch" Schröder GmbH System Engineering + Production filed Critical "Hesch" Schröder GmbH System Engineering + Production
Publication of WO2011047826A1 publication Critical patent/WO2011047826A1/fr

Links

Classifications

    • 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
    • G05B19/00—Programme-control systems
    • G05B19/02—Programme-control systems electric
    • G05B19/04—Programme control other than numerical control, i.e. in sequence controllers or logic controllers
    • G05B19/042—Programme control other than numerical control, i.e. in sequence controllers or logic controllers using digital processors
    • G05B19/0423—Input/output
    • 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
    • G05B2219/00—Program-control systems
    • G05B2219/20—Pc systems
    • G05B2219/25—Pc structure of the system
    • G05B2219/25188—Superposition high frequency data signal on power lines, current carrier
    • 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
    • G05B2219/00—Program-control systems
    • G05B2219/20—Pc systems
    • G05B2219/25—Pc structure of the system
    • G05B2219/25336—Cascaded modules, one module connects to other, I-O, computing expansion

Definitions

  • the invention relates to a control device for voltage potential-driven control of field devices with a control central unit, which is set up for applying voltage potentials on a potential switching line of a control and supply bus that changes in the voltage potential control information, and at least one with at least one associated field device connectable switching unit which can be connected to the control and supply bus with an input directed towards the control central unit and an output which can be routed to at least one downstream switching unit.
  • the invention further relates to a method for voltage potential-driven control of field devices via a potential switching line, wherein changes in the voltage potential for the transmission of control information to a connectable to at least one field device to be actuated switching unit is used.
  • field devices are used in a variety of forms, which are connected to one another via a field bus and controlled via a control central unit.
  • a control central unit e.g. for valve control a possible inexpensive and simple solution desirable that includes a simple, robust and inexpensive switching logic on the part of the field devices.
  • actuator sensor interface ASI In conjunction with the so-called actuator sensor interface ASI is known to transmit the information to the field devices via voltage potentials of a potential line, wherein the voltage potentials used for information transmission are also used as a supply voltage for the field devices.
  • ASI fieldbus systems are described, for example, in DE 196 31 302 B4, DE 196 48 783 C2, DE 199 47 501 A1 and DE 10 2005 055 428 A1.
  • CONFIRMATION COPY DE 102 46 914 A1 discloses a method for detecting occurring event-oriented signals, in particular for error detection, in a master / slave bus system having at least one master and a plurality of slaves.
  • the master sends test signal pulses at intervals to the subsequent slave, which reads in these test signal pulses and forwards them to the subsequent slave.
  • Both documents describe a control device for the voltage potential-driven control of field devices with a control central unit, which is set up for applying voltage potentials to a potential switching line of a control and supply bus such that changes in the voltage potential include control information.
  • JP 2007-235870 A describes a control device for activating field devices having a control central unit which is set up for applying voltage potentials to a potential switching line of a control and supply bus, and having at least one switching unit which can be connected to at least one associated field device and which is connected to the control unit. and the supply bus can be connected to an input directed toward the control central unit and to an output which can be routed to at least one downstream switching unit.
  • the at least one switching unit connects the voltage potential on the control and supply bus with a field device connected to the respective switching unit and has a switch for connecting or disconnecting the output of the potential switching line, which can be routed to subsequent switching units, and a switching control for this switch.
  • the control device of the type mentioned above in that the at least one switching unit each have a first switch for connecting the voltage potential on the control and supply bus with a field device connected to the respective switching unit or disconnecting the voltage potential of the field device, a second A switch for connecting or disconnecting the output of the potential switching line to subsequent switching units and a switching controller for the first and second switch, wherein the switching controller for detecting potential changes of the voltage potential on the potential switching line and for switching the first and / or second switch in dependence the detected potential changes is set up.
  • a cascadable switching unit which enables a supply of the connected field devices with a supply voltage via a first switch and a cascading of the switching units with a second switch, so that the voltage potential on the potential switching line when the second switch is switched on to a subsequent switching unit is forwarded.
  • the control of the supply of the field devices or the forwarding of the voltage potential to a subsequent switching unit then takes place via potential changes on the potential switching line, which are evaluated for driving the first and second switches.
  • This control device has the advantage that the switching units can be controlled very easily cascaded over potential changes. Subsequent switching units are only then activated, that is controllable, when the second switches of the preceding switching units are turned on to pass the voltage potential on the potential switching line to the subsequent switching units.
  • the control and supply bus preferably has a reference potential line for a constant reference voltage potential for the supply voltage on the potential switching line. This reference potential line can be, for example, the neutral conductor of a DC or AC power supply.
  • control and supply bus has at least one feedback line for the transmission of information from switching units to the control central unit.
  • the respective switching control of the at least one switching unit is then set up to transmit encoded information via the feedback line in dependence on a detected potential change. In this way, the return transmission of information of the switching units or their connected field devices in coded form via voltage potential pulses to the control center unit is possible.
  • the switching control can furthermore be set up to switch on or off the first and / or second switch and / or to transmit information via the feedback line as a function of defined times in which a predetermined supply voltage potential is present after the potential change on the potential switching line.
  • the respective switching control of a switching unit is set up to transition from a reference voltage potential to a first voltage potential into a state of readiness for switching when the detected voltage potential on the potential switching line transitions. In a transition from the first th defined voltage potential to the second provided for supplying the field devices voltage potential then the first switch is closed and the voltage potential to supply the connected field device to this connected field device.
  • the first switch is opened again and the second switch is closed in order to apply the first voltage potential to the input of a subsequent switching unit and to deactivate the previously activated switching unit and to activate the subsequent switching unit.
  • the first and second switches are opened again and, as it were, a reset of the switching unit is caused.
  • first switch of the switching unit which is connected to the potential switching line and a power supply terminal for a connectable field device when the voltage potential on the potential line has risen at least to the level of a second defined voltage potential, so that a connected field device with the second voltage potential across the first Switch is powered,
  • the switching units are controlled in cascade and it is possible to supply a series of field devices, which are connected in series to subsequent switching units, in turn with supply voltage and trigger actions of the field devices sequentially.
  • a valve control can be carried out, in which valves are switched on one after the other in each case for periods of time determined by the control central unit.
  • Particularly advantageous is a transfer of the switching unit in a receive mode in which voltage potential changes for driving the first and second switches are detected when the switching unit detects an increase of the voltage potential on the potential switching line from the reference voltage potential to the first voltage potential.
  • the last switching unit of a series of switching units whose input can detect the voltage potential on the potential switching line and whose output is opened by means of the second switch for switching off the subsequent switching units in a transferred active state in which further voltage potential changes to the potential switching line for driving the first and second switches are evaluated.
  • the first switch of an activated switching unit is preferably switched on when the switching unit detects a rise in the voltage potential from the first voltage potential to at least the second voltage potential for a minimum duration of a defined switching time.
  • the first switch is then turned off when the switching unit detects a drop in the voltage potential from the second voltage potential at least to the first voltage potential.
  • the first switch of the activated switching unit can be repeatedly successively raised from the first voltage potential to the second voltage potential by raising the voltage potential on the potential switching line for a minimum be switched on over the period of the defined switching time.
  • An activated switching unit can thus supply the at least one connected field device with supply voltage (spins) several times in succession.
  • the deactivation of the respectively activated switching unit and the activation of a subsequent switching unit then takes place by switching on the second switch of an activated switching unit, if the switching unit increases the voltage potential from the first voltage potential to at least the second voltage potential for a maximum duration of a defined control time or a defined one Switching time detects.
  • the second switch is actuated.
  • a deactivation of the switching units is preferably carried out at a voltage potential drop on the potential switching line to a fixed reference voltage potential. As soon as the voltage potential on the potential switching line thus drops to the reference potential, all connected switching units can be deactivated at the same time again, so that the switching units respectively open the first and second switches and enter a sleep mode.
  • FIG. 1 shows a block diagram of a control device for the voltage potential-driven control of field devices
  • FIG. 2 shows a state diagram of a first embodiment of the method for the voltage potential-driven control of field devices
  • FIG. 3 shows a state diagram of a second embodiment of the method for the voltage potential-driven control of field devices
  • FIG. 4 shows a state diagram of a third embodiment of the method for the voltage-potential-driven control of field devices.
  • FIG. 1 shows a block diagram of a control device 1 for the voltage-potential-driven control of a number of 1, 2, 3, n field devices 2a, 2b.
  • the control device 1 has a control central unit 3 with a voltage supply unit 4.
  • the voltage supply unit 4 is connected via a potential switching line 5 and a reference potential line 6 to subsequent switching units 7a, 7b and, if appropriate, further switching units 7n.
  • the field devices 2a, 2b, 2n connected to these switching units 7a, 7b,..., 7n are supplied with a supply voltage.
  • Solenoid valves are activated as field devices via a voltage applied between the potential switching line 5 and the reference potential line 6 supply voltage or disabled in the off state.
  • the switching units 7a, 7b, 7n each have a first switch 8, which is controlled by means of a switching control 9 of the respective switching unit 7a, 7b, 7n.
  • the supply voltage potential applied between the potential switching line 5 and the reference potential line 6 can be applied to at least one field device 2a, 2b, 2n connected to the respective switching unit 7a, 7b, 7n or the field device 2a, 2b, 2n from the supply voltage be separated.
  • each switching unit 7a, 7b, 7n has a second switch 10, which is respectively controlled by the switching control 9 of the associated switching unit 7a, 7b, 7n.
  • the second switch 10 With the aid of the second switch 10, at least the potential switching line 5 is switched such that in the switched-on state of the second switch 10 the supply voltage potential on the potential switching line 5 is applied to the potential switching line output of the field device 7a and the potential switching line input of the subsequent field device 7b.
  • the reference potential line 6 can either be permanently switched through or, as shown, can be closed or disconnected with the aid of the second switch 10.
  • an optional feedback line 1 1 is provided, which allows an activated switching unit 7a to pass information, for example by means of coded voltage pulses via the feedback line 11 to an evaluation unit 12 of the control central unit 3. It is also conceivable, however, that the further connected switching units 7b, 7n receive and evaluate the information from the activated switching unit 7a on the feedback line 11.
  • the switching control 9 of the switching units 7a, 7b, 7n are e.g. with the aid of suitable edge detectors and comparators for determining defined supply voltage potentials or voltage levels to actuate the first and second switches 8, 10 of the respective switching unit 7a, 7b, 7n as a function of potential changes on the potential switching line 5. Actuation is understood to mean a switching over of the respective first or second switch 8, 10 from the open state to the closed state or vice versa.
  • FIG. 2 shows a state diagram of a first embodiment of a voltage potential transmission method executed by the switching units 7a, 7b, 7n. NEN control of field devices 2a, 2b, 2n recognize.
  • the switching units 7a, 7b, 7n are each in the off state A.
  • the last switched via closed second switch 10 switching unit 7x a series of switching units 7a, 7b, 7n is set in the standby mode B.
  • the first switching unit 7a will detect a change in the voltage potential on the potential switching line 5, since the subsequent switching unit 7b is separated from the potential switching line 5 by the opened second switch 10.
  • the first switching unit will first be placed in the standby mode B, while the subsequent switching units 7b, 7n remain in the off state.
  • the switch-on state D is reached, in which the first switch 8 is closed.
  • the voltage potential applied between the potential switching line 5 and the reference potential line 6 for supplying the at least one connected field device 2 a is applied to this field device 2 a.
  • the field device 2a is activated in this way.
  • the first switch 8 is switched off again in the switch-off state E, so that the connected field device 2a is no longer supplied with voltage.
  • the switching unit 7a then goes directly into a bypass mode F and is placed at a further voltage drop on the potential switching line 5 from the first defined supply voltage potential of 12V to the reference voltage potential of 0V in an idle state G (standby).
  • the bypass mode F the second switch 10 is closed so that a subsequent switching unit can be addressed.
  • the switching unit 7a is again set in the standby mode B.
  • transition mode C when the voltage potential rises to the second defined voltage potential either beyond the defined switching time T2 or even at a voltage potential increase shorter than the switching time T2 (T ⁇ T2), information from the switching unit 7a is placed on the feedback line 11 (feedback mode H).
  • This can be done by a binary coded sequence of voltage pulses or by defined information-carrying voltage potentials. It is also conceivable, however, any other information coding.
  • FIG. 3 shows a second embodiment of the method for the voltage potential-driven control of field devices 2a, 2b, 2n. This embodiment differs from the first embodiment described above in the definition of a control time Tl in the switching time T2, which is longer than the control time Tl. In a transition from standby mode B on the transition mode various state changes are conceivable.
  • the switching unit 7a When a voltage potential change on the potential switching line 5 to the second defined supply voltage potential of e.g. 24V occurs and this second defined supply voltage potential no longer than the defined control time Tl stops, the switching unit 7a goes into a first bypass mode Fl, in which the second switch 10 of the switching unit 7a is closed. Thus, the potential switching line 5 is forwarded to the subsequent switching unit 7b and the current switching unit 7a is only switched through in such a transition, without activating the connected field device 2a.
  • the second defined supply voltage potential of e.g. 24V e.g. 24V
  • the switching unit 7a With a rise in the voltage potential to the second defined supply voltage potential and maintaining this supply voltage potential for a period of time which lies between the control time Tl and the switching time T2, the switching unit 7a changes to a second bypass mode F2, in which the second switch 10 is closed. In contrast to the first bypass mode Fl, in the second bypass mode F2, an additional information of the switching unit to the feedback line 1 1 in the feedback mode H is given.
  • the first switch 8 is closed while keeping the second switch 10 open, in order to supply the connected field device 2a with a supply voltage in the switch-on state D.
  • At the transition to the switch-on state D at least one item of information from the activated field device 2a can also be applied to the check-back line 1 1 in the return mode H.
  • the transition from the switch-on mode D to the switch-off mode E for the first switch 8 takes place again as described in connection with FIG. 2 in the event of a voltage drop of the voltage potential from the second defined supply voltage potential. from eg 24V to the first defined power supply potential of 12V. From the switch-on mode E, a return to either the first bypass mode F1 or optionally to the second bypass mode F2 then takes place automatically again. This can be predefined as desired. In this bypass mode Fl, F2, the second switch 10 is then closed, thus deactivating the current switching unit 7a for further switching operations and making the subsequent switching unit 7b activatable.
  • FIG. 4 shows a state diagram of a third embodiment of the method for voltage potential-driven control of field devices 2 a, 2 b, in which the feedback line 11 can be operated bidirectionally.
  • messages can not only be sent from the switching units 7a, 7b to the control center unit 3, but also messages from the control center unit 3 to the switching units 7a, 7b back and messages between the switching units 7a, 7b are exchanged with each other.
  • the feedback line is used bidirectionally to transmit voltage coded information to the switching units 7a, 7b.
  • the feedback line 11 is actively driven by the control central unit 3 for a time t. In the remaining time, the feedback line 11 is connected as the input of the control central unit 3 and evaluates the information of the switching units 7a, 7b.
  • the switching units 7a, 7b are arranged to test the state of the feedback line 1 1 when a change of the voltage potential on the potential switching line 5 is detected from 12V to 24V. If the respective switching unit 7a, 7b then recognizes a level of 0V on the feedback line 11, this switching unit 7a, 7b will from then on be marked as "marked.” If the pulse on the potential switching line 5 is simultaneously smaller than the time T1, the switch is activated respective switching unit 7x does not enter the field device 2x, but instead switches through the switch 10 the potential switching line 5 to the following switching unit 7x + 1.
  • the switching on of more than one switching unit 7x takes place in that the control central unit 3 generates a level of 24V on the feedback line 11 when the voltage level on the potential switching line 5 is changed from 12V to 24V. As a result of this condition, all previously-selected switching units 7x switch on the respective field devices 2 via the switch 8.
  • a resetting of the switching units 7a, 7b, 7n takes place, as already described above in connection with the other exemplary embodiments, by a voltage level of 0V on the potential switching line 5.
  • a switching unit 7x is set to the switched-off state I with the voltage off.
  • the switching unit 7x is set in the standby mode J.
  • the switching unit 7x checks in the state K the Voltage potential on the feedback line 1 1.
  • a timer is started (state L).
  • the switching unit 7x is set in the bypass mode M in which the second switch 10 is closed to pass the potential switching line 5 to the subsequent switching unit ,
  • the switching unit 7x activates the fieldbus output in the state O by closing the first switch 8, so that at least one connected field device is supplied 2x with supply voltage.
  • the switching unit 7x changes from the state O to the state N, in which the fieldbus output is deactivated by opening the first switch 8. Subsequently, the switching unit 7x unconditionally goes into the bypass mode M by the second switch 10 is closed.
  • the switching unit 7x If the voltage potential on the feedback line 11 is 0 V in the check state K, the switching unit 7x is "marked", ie prepared for switching the field device output (state P) 7x into a bypass and wait state by closing the second switch 10 and thus activating the following switching unit 7x + 1.
  • the respective switching unit 7x monitors the voltage potential on both the potential switching line 5 and the feedback line 1 1.
  • the "marked” switching unit 7x goes into the state R by activating the prepared field device output by switching on the first switch 8.
  • the connected field devices 2 are supplied in this way with supply voltage.
  • the switching unit 7x then goes back to the state E.

Landscapes

  • Physics & Mathematics (AREA)
  • General Physics & Mathematics (AREA)
  • Engineering & Computer Science (AREA)
  • Automation & Control Theory (AREA)
  • Electronic Switches (AREA)
  • Direct Current Feeding And Distribution (AREA)

Abstract

L'invention concerne un dispositif de commande (1) pour une commande par potentiels de tension d'appareils de terrain (2a, 2b). Ce dispositif de commande (1) comporte une unité centrale de commande (3) conçue pour appliquer des potentiels de tension sur une ligne de commutation de potentiel d'un bus de commande et d'alimentation, de sorte que des modifications du potentiel de tension contiennent des informations de commande, et au moins une unité de commutation (7a, 7b) qui peut être reliée à au moins un appareil de terrain associé (2a, 2b), cette unité de commutation pouvant être connectée au bus de commande ou d'alimentation par l'intermédiaire d'une borne d'entrée orientée vers l'unité centrale de commande (3) et d'une borne de sortie conduisant vers au moins une unité de commutation (7b) située en aval. L'unité de commutation (7a, 7b) comporte un premier commutateur (8) pour relier le potentiel de tension d'alimentation appliqué sur le bus de commande et d'alimentation à un appareil de terrain (2a, 2b) connecté à ladite unité de commutation (7a, 7b) ou pour séparer le potentiel de tension d'alimentation de l'appareil de terrain (2a, 2b), un second commutateur (10) pour relier ou séparer la borne de sortie de la ligne de commutation de potentiel (5) conduisant à des unités de commutation (7a, 7b) situées en aval, et une commande de commutation (9) destinée au premier commutateur (8) et au second commutateur (10). La commande de commutation (9) est conçue pour reconnaître des modifications de potentiel et pour commuter le premier commutateur (8) et/ou le second commutateur (10) en fonction des modifications de potentiel reconnues.
PCT/EP2010/006364 2009-10-20 2010-10-19 Dispositif de commande et procédé pour une commande par potentiels de tension d'appareils de terrain WO2011047826A1 (fr)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
DE200910050071 DE102009050071B3 (de) 2009-10-20 2009-10-20 Steuereinrichtung und Verfahren zur spannungspotentialgetriebenen Ansteuerung von Feldgeräten
DE102009050071.5 2009-10-20

Publications (1)

Publication Number Publication Date
WO2011047826A1 true WO2011047826A1 (fr) 2011-04-28

Family

ID=43536375

Family Applications (1)

Application Number Title Priority Date Filing Date
PCT/EP2010/006364 WO2011047826A1 (fr) 2009-10-20 2010-10-19 Dispositif de commande et procédé pour une commande par potentiels de tension d'appareils de terrain

Country Status (2)

Country Link
DE (1) DE102009050071B3 (fr)
WO (1) WO2011047826A1 (fr)

Families Citing this family (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE102013018220B4 (de) * 2013-10-30 2021-06-02 e.solutions GmbH Kraftfahrzeug-Hostgerät, Kraftfahrzeug-Endgerät und Verfahren zum Anschließen derselben

Citations (8)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP0680232A2 (fr) * 1994-03-10 1995-11-02 REKO electronic GmbH Procédé pour la configuration d'un réseau informatique
DE19502499A1 (de) 1995-01-27 1996-08-01 Pepperl & Fuchs Bussystem zur Steuerung und Aktivierung von miteinander vernetzten ASI-Slaves, vorzugsweise binäre Sensoren oder Eingangsmodule und/oder Ausgangsmodule oder Aktuatoren eines Aktuator-Sensor-Interface
DE19648783C2 (de) 1995-11-25 1999-05-20 Pepperl & Fuchs Baugruppe für ein Akuator-Sensor-Interface eines Feldbus-Systems
DE19947501A1 (de) 1999-10-01 2001-05-23 Ifm Electronic Gmbh Aktuator-Sensor-Interface-Slave
DE10246914A1 (de) 2002-10-08 2004-04-22 Moeller Gmbh Verfahren zur Erkennung von auftretenden Ereignissen in einem Master/Slave-Bussystem sowie Vorrichtung zur Durchführung des Verfahrens
DE19631302B4 (de) 1996-08-02 2006-12-14 Leuze Electronic Gmbh & Co Kg Sensor-Aktor-Bussystem
DE102005055428A1 (de) 2005-11-21 2007-05-24 Siemens Ag Busmodul zum Anschluss an ein Bussystem sowie Verwendung eines solchen Busmoduls in einem AS-i-Bussystem
JP2007235870A (ja) 2006-03-03 2007-09-13 Denso Corp バス通信システム

Patent Citations (8)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP0680232A2 (fr) * 1994-03-10 1995-11-02 REKO electronic GmbH Procédé pour la configuration d'un réseau informatique
DE19502499A1 (de) 1995-01-27 1996-08-01 Pepperl & Fuchs Bussystem zur Steuerung und Aktivierung von miteinander vernetzten ASI-Slaves, vorzugsweise binäre Sensoren oder Eingangsmodule und/oder Ausgangsmodule oder Aktuatoren eines Aktuator-Sensor-Interface
DE19648783C2 (de) 1995-11-25 1999-05-20 Pepperl & Fuchs Baugruppe für ein Akuator-Sensor-Interface eines Feldbus-Systems
DE19631302B4 (de) 1996-08-02 2006-12-14 Leuze Electronic Gmbh & Co Kg Sensor-Aktor-Bussystem
DE19947501A1 (de) 1999-10-01 2001-05-23 Ifm Electronic Gmbh Aktuator-Sensor-Interface-Slave
DE10246914A1 (de) 2002-10-08 2004-04-22 Moeller Gmbh Verfahren zur Erkennung von auftretenden Ereignissen in einem Master/Slave-Bussystem sowie Vorrichtung zur Durchführung des Verfahrens
DE102005055428A1 (de) 2005-11-21 2007-05-24 Siemens Ag Busmodul zum Anschluss an ein Bussystem sowie Verwendung eines solchen Busmoduls in einem AS-i-Bussystem
JP2007235870A (ja) 2006-03-03 2007-09-13 Denso Corp バス通信システム

Also Published As

Publication number Publication date
DE102009050071B3 (de) 2011-03-10

Similar Documents

Publication Publication Date Title
EP1262021B2 (fr) Appareil de commutation de securite et systeme d'appareils de commutation de securite
EP1493064B1 (fr) Appareil de coupure, protegee contre les erreurs, d'un consommateur electrique, notamment dans les installations de production industrielle
EP2845072B1 (fr) Appareil de commutation
EP1738382A1 (fr) Dispositif de commutation de securite pour circuit de securite
EP2287689A1 (fr) Dispositif et procédé d'adressage d'une unité esclave
EP3043220B1 (fr) Dispositif et procede de surveillance fonctionnelle d'un moyen de commutation de securite
DE102016118004A1 (de) Kommunikationssystem zur strommodulierten Datenübertragung über eine Stromschleife
EP2660663B1 (fr) Circuit de sécurité et appareil de commutation de sécurité doté d'un circuit de sécurité
DE102009050071B3 (de) Steuereinrichtung und Verfahren zur spannungspotentialgetriebenen Ansteuerung von Feldgeräten
EP2663985B1 (fr) Dispositif et procédé de commande d'un mécanisme d'entraînement d'un commutateur électrique
EP2656365B1 (fr) Circuit de commande d'un relais électromagnétique
EP2215533B1 (fr) Dispositif de commande pour un système de commutation de sécurité à surveillance intégrée de la tension d'alimentation
DE10108975A1 (de) Verfahren zur Steuerung eines Elektromotors
DE102016121255A1 (de) Steuermodul für eine elektromechanische Schalteinheit, Relaismodul und Steuervorrichtung
WO2021139937A1 (fr) Dispositif pour faire fonctionner un système électronique, en particulier d'un véhicule
EP1758766B1 (fr) Dispositif d'alimentation en tension d'un appareil de commande
WO2017089549A1 (fr) Appareil de commutation et système de mise en circuit et hors circuit d'une charge électrique
WO2011054458A1 (fr) Système de communication de sécurité pour signaler des états du système
EP1444782B1 (fr) Dispositif de commande d'une charge electrique et appareil de commande
DE3234787C2 (de) Überprüfbarer Datenempfänger
DE102020122147B4 (de) Elektrohydraulische steuereinheit mit notbetrieb und umschalt- und diagnoseeinheit für ausfallsicheren betrieb
EP1652203B1 (fr) Installation de protection adaptee a des circuits en cascade et procede correspondant permettant la realisation de connexions securisees
DE102004041466B4 (de) Elektromotorischer Stellantrieb mit Steuereinheit für Zwischenposition und Steuerverfahren
EP1566873A2 (fr) Groupe de circuits de protection avec structure annulaire pour des appareils de commande d'électronique de puissance
WO2015180806A1 (fr) Relais électronique

Legal Events

Date Code Title Description
121 Ep: the epo has been informed by wipo that ep was designated in this application

Ref document number: 10770721

Country of ref document: EP

Kind code of ref document: A1

122 Ep: pct application non-entry in european phase

Ref document number: 10770721

Country of ref document: EP

Kind code of ref document: A1