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EP0624831B1 - Dispositif de commande pour l'utilisation en coopération avec des systèmes actionnés par des fluides - Google Patents

Dispositif de commande pour l'utilisation en coopération avec des systèmes actionnés par des fluides Download PDF

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Publication number
EP0624831B1
EP0624831B1 EP94101250A EP94101250A EP0624831B1 EP 0624831 B1 EP0624831 B1 EP 0624831B1 EP 94101250 A EP94101250 A EP 94101250A EP 94101250 A EP94101250 A EP 94101250A EP 0624831 B1 EP0624831 B1 EP 0624831B1
Authority
EP
European Patent Office
Prior art keywords
signal
control device
signals
electrical
control
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
EP94101250A
Other languages
German (de)
English (en)
Other versions
EP0624831A3 (fr
EP0624831A2 (fr
Inventor
Kurt Dipl.-Ing. Stoll
Thomas Lederer
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.)
Festo SE and Co KG
Original Assignee
Festo SE 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 Festo SE and Co KG filed Critical Festo SE and Co KG
Publication of EP0624831A2 publication Critical patent/EP0624831A2/fr
Publication of EP0624831A3 publication Critical patent/EP0624831A3/fr
Application granted granted Critical
Publication of EP0624831B1 publication Critical patent/EP0624831B1/fr
Anticipated expiration legal-status Critical
Expired - Lifetime legal-status Critical Current

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Classifications

    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F15—FLUID-PRESSURE ACTUATORS; HYDRAULICS OR PNEUMATICS IN GENERAL
    • F15B—SYSTEMS ACTING BY MEANS OF FLUIDS IN GENERAL; FLUID-PRESSURE ACTUATORS, e.g. SERVOMOTORS; DETAILS OF FLUID-PRESSURE SYSTEMS, NOT OTHERWISE PROVIDED FOR
    • F15B13/00—Details of servomotor systems ; Valves for servomotor systems
    • F15B13/02—Fluid distribution or supply devices characterised by their adaptation to the control of servomotors
    • F15B13/06—Fluid distribution or supply devices characterised by their adaptation to the control of servomotors for use with two or more servomotors
    • F15B13/08—Assemblies of units, each for the control of a single servomotor only
    • F15B13/0803—Modular units
    • F15B13/0846—Electrical details
    • F15B13/0857—Electrical connecting means, e.g. plugs, sockets
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F15—FLUID-PRESSURE ACTUATORS; HYDRAULICS OR PNEUMATICS IN GENERAL
    • F15B—SYSTEMS ACTING BY MEANS OF FLUIDS IN GENERAL; FLUID-PRESSURE ACTUATORS, e.g. SERVOMOTORS; DETAILS OF FLUID-PRESSURE SYSTEMS, NOT OTHERWISE PROVIDED FOR
    • F15B13/00—Details of servomotor systems ; Valves for servomotor systems
    • F15B13/02—Fluid distribution or supply devices characterised by their adaptation to the control of servomotors
    • F15B13/06—Fluid distribution or supply devices characterised by their adaptation to the control of servomotors for use with two or more servomotors
    • F15B13/08—Assemblies of units, each for the control of a single servomotor only
    • F15B13/0803—Modular units
    • F15B13/0807—Manifolds
    • F15B13/0817—Multiblock manifolds
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F15—FLUID-PRESSURE ACTUATORS; HYDRAULICS OR PNEUMATICS IN GENERAL
    • F15B—SYSTEMS ACTING BY MEANS OF FLUIDS IN GENERAL; FLUID-PRESSURE ACTUATORS, e.g. SERVOMOTORS; DETAILS OF FLUID-PRESSURE SYSTEMS, NOT OTHERWISE PROVIDED FOR
    • F15B13/00—Details of servomotor systems ; Valves for servomotor systems
    • F15B13/02—Fluid distribution or supply devices characterised by their adaptation to the control of servomotors
    • F15B13/06—Fluid distribution or supply devices characterised by their adaptation to the control of servomotors for use with two or more servomotors
    • F15B13/08—Assemblies of units, each for the control of a single servomotor only
    • F15B13/0803—Modular units
    • F15B13/0832—Modular valves
    • F15B13/0839—Stacked plate type valves
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F15—FLUID-PRESSURE ACTUATORS; HYDRAULICS OR PNEUMATICS IN GENERAL
    • F15B—SYSTEMS ACTING BY MEANS OF FLUIDS IN GENERAL; FLUID-PRESSURE ACTUATORS, e.g. SERVOMOTORS; DETAILS OF FLUID-PRESSURE SYSTEMS, NOT OTHERWISE PROVIDED FOR
    • F15B13/00—Details of servomotor systems ; Valves for servomotor systems
    • F15B13/02—Fluid distribution or supply devices characterised by their adaptation to the control of servomotors
    • F15B13/06—Fluid distribution or supply devices characterised by their adaptation to the control of servomotors for use with two or more servomotors
    • F15B13/08—Assemblies of units, each for the control of a single servomotor only
    • F15B13/0803—Modular units
    • F15B13/0846—Electrical details
    • F15B13/086—Sensing means, e.g. pressure sensors
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F15—FLUID-PRESSURE ACTUATORS; HYDRAULICS OR PNEUMATICS IN GENERAL
    • F15B—SYSTEMS ACTING BY MEANS OF FLUIDS IN GENERAL; FLUID-PRESSURE ACTUATORS, e.g. SERVOMOTORS; DETAILS OF FLUID-PRESSURE SYSTEMS, NOT OTHERWISE PROVIDED FOR
    • F15B13/00—Details of servomotor systems ; Valves for servomotor systems
    • F15B13/02—Fluid distribution or supply devices characterised by their adaptation to the control of servomotors
    • F15B13/06—Fluid distribution or supply devices characterised by their adaptation to the control of servomotors for use with two or more servomotors
    • F15B13/08—Assemblies of units, each for the control of a single servomotor only
    • F15B13/0803—Modular units
    • F15B13/0846—Electrical details
    • F15B13/0867—Data bus systems
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F15—FLUID-PRESSURE ACTUATORS; HYDRAULICS OR PNEUMATICS IN GENERAL
    • F15B—SYSTEMS ACTING BY MEANS OF FLUIDS IN GENERAL; FLUID-PRESSURE ACTUATORS, e.g. SERVOMOTORS; DETAILS OF FLUID-PRESSURE SYSTEMS, NOT OTHERWISE PROVIDED FOR
    • F15B13/00—Details of servomotor systems ; Valves for servomotor systems
    • F15B13/02—Fluid distribution or supply devices characterised by their adaptation to the control of servomotors
    • F15B13/06—Fluid distribution or supply devices characterised by their adaptation to the control of servomotors for use with two or more servomotors
    • F15B13/08—Assemblies of units, each for the control of a single servomotor only
    • F15B13/0803—Modular units
    • F15B13/0875—Channels for electrical components, e.g. for cables or sensors
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F15—FLUID-PRESSURE ACTUATORS; HYDRAULICS OR PNEUMATICS IN GENERAL
    • F15B—SYSTEMS ACTING BY MEANS OF FLUIDS IN GENERAL; FLUID-PRESSURE ACTUATORS, e.g. SERVOMOTORS; DETAILS OF FLUID-PRESSURE SYSTEMS, NOT OTHERWISE PROVIDED FOR
    • F15B13/00—Details of servomotor systems ; Valves for servomotor systems
    • F15B13/02—Fluid distribution or supply devices characterised by their adaptation to the control of servomotors
    • F15B13/06—Fluid distribution or supply devices characterised by their adaptation to the control of servomotors for use with two or more servomotors
    • F15B13/08—Assemblies of units, each for the control of a single servomotor only
    • F15B13/0803—Modular units
    • F15B13/0878—Assembly of modular units
    • F15B13/0885—Assembly of modular units using valves combined with other components
    • F15B13/0889—Valves combined with electrical components
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F15—FLUID-PRESSURE ACTUATORS; HYDRAULICS OR PNEUMATICS IN GENERAL
    • F15B—SYSTEMS ACTING BY MEANS OF FLUIDS IN GENERAL; FLUID-PRESSURE ACTUATORS, e.g. SERVOMOTORS; DETAILS OF FLUID-PRESSURE SYSTEMS, NOT OTHERWISE PROVIDED FOR
    • F15B21/00—Common features of fluid actuator systems; Fluid-pressure actuator systems or details thereof, not covered by any other group of this subclass
    • F15B21/08—Servomotor systems incorporating electrically operated control means
    • F15B21/085—Servomotor systems incorporating electrically operated control means using a data bus, e.g. "CANBUS"
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F15—FLUID-PRESSURE ACTUATORS; HYDRAULICS OR PNEUMATICS IN GENERAL
    • F15C—FLUID-CIRCUIT ELEMENTS PREDOMINANTLY USED FOR COMPUTING OR CONTROL PURPOSES
    • F15C1/00—Circuit elements having no moving parts
    • F15C1/02—Details, e.g. special constructional devices for circuits with fluid elements, such as resistances, capacitive circuit elements; devices preventing reaction coupling in composite elements ; Switch boards; Programme devices

Definitions

  • the invention relates to a control device for use in Connection with fluid-operated devices, for example Working cylinders, with a valve station that has multiple valves and associated with it, with the participation of an electronic Control unit for electrically actuated valve drives contains, and with at least one signal connection for one leading away from the valve station to an external object Signal conductor is equipped, the at least one signal connection as an input for control signals coming from the object serves.
  • a control device of this type is, for example, from the DE-U-92 11 109 or EP-A-0 606 048. It contains one Valve station, which has an assembly-like structure.
  • a plate-like fluid distributor is with several pneumatic valves equipped, which have a valve drive which for Switching the associated valve is operated electrically.
  • Valve drives come in particular electromagnets or so-called Solenoid valves in question.
  • Devices can be attached to the valves connect that can be operated fluidically, for example Working cylinder.
  • the actuation signals for the valve drives provide a electronic control unit that is part of the valve station can be.
  • the valve station also has several Signal connections serving as inputs to the external objects like monitoring devices e.g. Sensors, leading Signal conductors can be connected to electrical control signals to receive, which the control unit can process.
  • the at least one Signal connection of the input of a component of the valve station forming signal converter is the incoming non-electrical Control signals in processable by the control unit converts electrical signals.
  • valve station Signal converter before that from outside the valve station non-electrical control signals originating from arranged objects received and this in processable by the control unit can convert electrical signals.
  • the user only has the required signal conductors between the valve terminal and relocate the external object without the requirement would exist at the location of the object away from the valve station install a suitable signal converter. Act it for example, one between fluid pressure control signals and electrical signals converting signal converter, so Fluid lines starting from an object to be monitored directly laid to the valve station and there to the assigned Signal connection can be connected without it electrical connection would be required.
  • an integrated signal converter that is between optical Control signals and electrical control signals converted.
  • the signal converters are part of the valve station, they are placed together with this in a place that is not exposed to any significant interference. A single placement at each surveillance site could be significant cause more disturbances caused by environmental influences, especially when analog signals are to be processed.
  • the signal connection of a signal converter are supplied, it is in particular Monitoring signals used in monitoring the operation fluid-actuated devices or other components of a Machine or system can be used. Most often one movements or positions of objects or fluid pressures monitor. Based on the monitoring signals, the connected electronic control unit actuation as required of the valves.
  • the valve station can also have at least one signal converter be equipped, which was influenced by the control unit electrical signals in outgoing non-electrical control signals converts.
  • the control unit electrical signals in outgoing non-electrical control signals converts.
  • the assigned Use signal connection as non-electrical output, to according to the control by the electronic control unit for example pneumatic pulses or light signals to be sent out, which will be used elsewhere.
  • valve station has a modular structure has, so that the user to install only those components that he really needs in individual cases.
  • carrier modules are present, which are equipped with signal converters, and releasable in number as required, battery-like at the Have the valve station attached. It is possible to single the Carrier modules only as input modules or as output modules to be interpreted only as an input or as an output have functioning signal connections. This simplifies the Clarity of the overall arrangement. It is also expedient if a fluid distributor carrying the valves is provided, which is also multi-part and consists of several distribution modules composed with which the valve station as required in the desired number and order.
  • valve station with a Control block to which the carrier modules on the one hand and the distribution modules are installed on the other hand.
  • a control block comes in particular a fieldbus communication unit, an electronic one equipped with a control program Control unit or a combination of both in question.
  • Inputs and / or outputs electrical inputs and / or Provide outputs that are analog and / or can act digitally. This way too Feed in or send out electrical signals.
  • a control device 1 is shown, the example for controlling a fluid-actuated device 2 in Shape of a pneumatic cylinder 3 is used.
  • the main component is a valve station 4, which is simplified in Top view is shown.
  • the same represents one of several Assemblies constitute a unit, which is a whole transport, assemble or otherwise handle leaves.
  • the valve station 4 and the devices to be operated 2 can be any distance from each other and stand Connected to one another via suitable lines. That special An advantage of a valve station 4 is that from it central supply of the devices to be controlled with Operating energy is possible, which is the overall installation Plants or machines considerably simplified.
  • the valve station 4 has a fluid distributor 5, which is a one-piece plate-like Component can act. Run inside the fluid distributor 5 central fluid channels 6 for supplying and / or discharging the pneumatic Working medium, here compressed air.
  • One flanged on the end Connection module 7 allows the connection of more suitable external fluid lines or silencers, the individual are not shown, but you can see the corresponding Channel openings forming connection openings 8.
  • the top of the fluid distributor facing the viewer in FIG. 1 5 forms an assembly surface 12 on which one A plurality of generally designed as multi-way valves Working valves 13 in the longitudinal direction 11 of the fluid distributor 5 is successively arranged transversely aligned. They stand Via transverse channels of the fluid distributor 5, which are not shown in detail with the fluid channels 6 in connection.
  • each Working valve 13 is at least one such consumer connection 15 assigned, usually it is two pieces. Depending on the switching position of the working valves 13, the assigned Consumer connections 15 via the working valves 13 for feeding or venting with one or the other of the Fluid channels 6 connected.
  • the exemplary embodiment is merely a fluid-operated device 2 shown, which is is a double-acting cylinder 3. He is over two pressure medium lines 16 on two one of the working valves 13 assigned consumer connections 15 connected. Depending on Switch position of the relevant work valve 13 can be Extend stroke, a retract stroke or the standstill of the piston 17 or a piston rod 18 of the working cylinder connected to it 3 cause.
  • the fluid distributor 5 is on a working side 22 of a control block 23 flanged. The latter is therefore on the side of the fluid distributor opposite the connection module 7 5.
  • the control block 23 forms an example electronic control unit 24, which has a program memory contains, in which a control program is stored. Prefers it is a programmable logic controller.
  • An interface (not shown) can be connected via an interface 25 Connect computer (PC) to program control unit 24.
  • At least one further interface 26 forms a fieldbus connection, on the bus lines not shown downstream further valve stations 4 are connected can either depend on the exemplary valve station 4 work or in the form of your own intelligence a control unit.
  • the control block 23 of the exemplary embodiment can also be of a pure fieldbus communication unit, which does not contain its own control program. In this case it would be on elsewhere to provide an electronic control unit that takes over control, which is a separate control unit or one in the control block 23 of another Valve station 4 integrated control unit can act.
  • a control block 23 would also be a pure distribution block for electrical signals conceivable, in which case an additional one Control unit would be provided, the connection now not via a fieldbus but via multipole lines would.
  • the control block 23 is equipped with a further mounting surface, the opposite of the working side 22 in the embodiment and is referred to below as control side 27 becomes.
  • a carrier 28 is attached to it, on which at least one and preferably a plurality of signal connections to be explained 32 are provided and also with one or more further signal connections 33 can be equipped, the digital and / or analog inputs and / or outputs for electrical Form control signals.
  • 33 can in particular detachable signal conductors 34 are connected via the control signals arrive and / or are transmitted.
  • Incoming Signals are mainly surveillance signals, the information give about certain operating states of the to be controlled Devices 2 or other parameters, their knowledge for the control of a device, in particular a fluid-actuated device 2 are required.
  • Each working valve 13 is an electrically actuated valve drive 35 assigned, in particular directly to the relevant working valve 13 is attached. It is preferred are solenoid valves that have at least one electromagnet contain. They receive their electrical actuation signals via at least one electrical conductor 36, which in particular within a housing in the longitudinal direction of the fluid distributor 5 runs into which the valve actuators 35 have electrical access to have. Said housing can be formed separately, preferably however, it is formed directly by the fluid distributor 5, which can contain suitable conductor channels.
  • the electrical Conductors 36 are connected to the control block 23, from where coming from the actuation signals taking into account in particular those at the signal connections 32, 33 Control signals are generated.
  • the valve station 4 of the embodiment has several Signal connections 32, each of the input 32 'of a signal converter Form 37, which is part of the valve station 4. Furthermore there are signal connections 32 which provide the output 32 "each form a signal converter 38, which is also used for Valve station 4 belongs.
  • the signal converters 37 convert on the assigned Input 32 'incoming non-electrical control signals into electrical signals that the electronic control unit 24 can process. Those communicating with an output 32 ' Signal converters 38 are capable of being controlled by the control unit 24 coming electrical signals into non-electrical control signals convert, which are removed at the associated output 32 ' can.
  • valve station 4 1 and 2 a signal converter 37 "is provided, which is capable of optical at the input 32 ' Convert control signals to electrical signals, too are guided to the control block 23 via electrical conductors 43.
  • the signal conductors 34 can be used as light guides 44 be carried out that enable optical object detection and can be laid very easily. Let it this way For example, reflex photoelectric sensors are realized.
  • 32 "pressure signals can be output or decrease optical signals if the assigned Signal converters 38 are able to pass through electrical conductors 45 Electrical signals obtained from the drive block 23 in, for example pneumatic pressure signals (signal converter 38 ') or in convert optical signals (signal converter 38 ").
  • the electrical Heads 45 are conveniently in accordance with the electrical conductors 43 laid.
  • the valve station 4 of the embodiment can also be incoming Process electrical control signals. These are in the fed further signal connections 33, which no signal converter is assigned, and which amplifies the control signals or unreinforced as electrical signals Pass on to the control block 23 via suitable electrical conductors. In this way, in particular electrical control signals capacitive, inductive or based on reed contact working sensors 46 are processed.
  • valve station 4 with any Number of signal connections 32 equipped of any kind can be.
  • the valve station would be possible 4 can only be equipped with those signal converters that are in are able to input non-electrical signals in electrical convert signals that can be processed.
  • the rule is likely however, be that at least at least one more Signal connection 33 is present, without prior signal conversion can receive or emit electrical signals.
  • the exemplary valve station 4 has a modular structure. This allows the user to adapt the scope of equipment to the Adjust as necessary and later extensions if necessary to make.
  • the modular structure shows up in the fact that the Carrier 28 preferably from a plurality of individual carrier modules 47 composed, which are releasably connected.
  • the Carrier 28 preferably from a plurality of individual carrier modules 47 composed, which are releasably connected.
  • it is block-like carrier modules 47, which in a series are arranged in succession, the first Carrier module 47 'is attached to the control block 23 and the remaining carrier modules 47 on the opposite of the control block 23 Connect the end face to the carrier module 47 '.
  • Each Carrier module 47 can have one or more signal connections 32 and equipped with one or more of the signal converters 37, 38 be. It is expedient here if the signal converters 37, 38 protected inside the assigned carrier module 47 are, in particular such that only the assigned signal connection 32 is visible and accessible.
  • the electrical connection between the individual carrier modules 47 and the control block 23 is expediently carried out in such a way that within each carrier module 47 sections of the electrical Conductors 43, 45 are formed, which form a wiring harness put together, at the subdivision points between immediately adjacent carrier modules 47 suitable connectors 48 are provided, which are adjacent when attached to each other Carrier modules 47 in particular automatically with one another Intervention.
  • the carrier modules 47 it is possible to use individual ones of the carrier modules 47 exclusively as Form input modules 49 or as output modules 50, the Signal connections 32, 33 exclusively as inputs or as outputs are trained. It is also possible to have at least one Carrier module to provide that only through such signal connections 32, to which a signal converter 37, 38 is assigned is, the corresponding signal converter in the relevant Carrier module are integrated, as shown in Figures 2 and 3. However, the possible mixture is shown there, according to which at least one carrier module 47 exclusively of the same type Signal converter 37, 38 contains only in terms of occupancy Differentiate output and input. It can be seen that any combinations are possible to make one possible to allow flexible construction of the valve station.
  • the flexible structure also contributes to that the fluid distributor 5 consists of a plurality of distributor modules 54 composed, which corresponds to the carrier modules 47 in one Row are arranged in succession, and each at least wear one of the working valves 13.
  • each distributor module 54 with two working valves 13 equipped.
  • the first distributor module 54 ' is located directly on Control block 23, the further distribution modules 54 close on the end face opposite the control block 23 to the first distributor module 54 '. It is understood that in in this case the fluid channels 6 as well as the at least one electrical conductors 36 can be divided into individual sections can, which run in the respective distribution module 54 and in the assembled state of the distributor modules 54 into one complete the continuous strand.
  • the control block 23 expediently contains the central control electronics, in particular as a fieldbus communication unit (Fieldbus node) or as an electronic control unit (Control node) be designed for programming can.
  • a fieldbus communication unit Fieldbus node
  • Control node electronice control unit
  • On one side of the control block 23 can be Arrange valve-equipped manifold modules 54, one at Equipped with pneumatic valves in total from pneumatic modules could speak from a basic unit in the form of the Carrier modules 47 and the working valve or valves sitting thereon put together.
  • the electrical control of the electromagnets the valve actuators 35 take place via the control block 23.
  • control block 47 23 On the side of the control block opposite the carrier modules 47 23 different control modules can be arranged the order and design of which can be freely selected, so that you can have both pure input modules and output modules or but can use combined input and output modules.
  • Signal converter 37 at which the or the existing signal connections 32, 32 'as Input can act practically one on non-electrical Base working sensor included, for example a pressure sensor or an optical sensor, whereby only one Lay non-electrical signal conductors to the monitoring point and in the signal converter 37 itself the conversion into from the control unit 24 is processed electrical signals. Since signal converters also regularly supply electrical energy need to be operated, you not only save electrical signal conductors replaced by the non-electrical ones but also electrical supply lines that can now also be integrated in the carrier 28.

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  • Engineering & Computer Science (AREA)
  • General Engineering & Computer Science (AREA)
  • Physics & Mathematics (AREA)
  • Fluid Mechanics (AREA)
  • Mechanical Engineering (AREA)
  • Theoretical Computer Science (AREA)
  • Chemical & Material Sciences (AREA)
  • Analytical Chemistry (AREA)
  • Magnetically Actuated Valves (AREA)
  • Fluid-Pressure Circuits (AREA)
  • Earth Drilling (AREA)

Claims (16)

  1. Dispositif de commande destiné à être utilisé en liaison avec des dispositifs (2) actionnables au moyen d'un fluide, par exemple des vérins, comportant un ensemble de soupapes (4), qui contient plusieurs soupapes (13) ainsi que des mécanismes d'entraínement de soupapes (35), associés à celles-ci, actionnables électriquement par coopération avec une unité de commande électronique (24), et qui est équipé d'au moins un raccord de signaux (32) pour un conducteur de signaux (34) menant de l'ensemble de soupapes (4) à un objet externe, le ou les raccords de signaux (32) servant d'entrée pour des signaux de commande en provenance de cet objet, caractérisé en ce que le ou les raccords de signaux (32) constituent l'entrée (32') d'un convertisseur de signaux (37), faisant partie intégrante de l'ensemble de soupapes (4), qui convertit des signaux de commande non électriques entrants en signaux électriques pouvant être traités par l'unité de commande (24).
  2. Dispositif de commande selon la revendication 1, caractérisé en ce que l'ensemble de soupapes (4) comporte au moins un convertisseur de signaux (38) avec au moins un raccord de signaux (32) servant de sortie (32'), lequel convertit des signaux électriques, influencés par l'unité de commande (24), en signaux de commande non électriques sortants.
  3. Dispositif de commande selon la revendication 1 ou 2, caractérisé en ce qu'au moins un convertisseur de signaux (37, 37' ; 38, 38') est conçu pour la conversion entre des signaux de commande à pression de fluide et des signaux électriques.
  4. Dispositif de commande selon l'une des revendications 1 à 3, caractérisé en ce qu'au moins un convertisseur de signaux (37, 37' ; 38, 38') est conçu pour la conversion entre des signaux de commande pneumatiques et des signaux électriques.
  5. Dispositif de commande selon la revendication 3 ou 4, caractérisé en ce qu'au moins un conducteur de signaux (34), conformé en conduite de fluide (39), est directement raccordé au raccord de signaux (32) du convertisseur de signaux (37, 37' ; 38, 38') correspondant.
  6. Dispositif de commande selon l'une des revendications 1 à 5, caractérisé en ce qu'il est prévu au moins un convertisseur de signaux (37, 37" ; 38, 38") pour la conversion entre des signaux de commande optiques et des signaux électriques.
  7. Dispositif de commande selon la revendication 6, caractérisé en ce qu'au moins un conducteur de signaux (34), conformé en guide de lumière (44), est directement raccordé au raccord de signaux (32, 32', 32") du convertisseur de signaux (37, 37' ; 38, 38') correspondant.
  8. Dispositif de commande selon l'une des revendications 1 à 7, caractérisé en ce que les signaux de commande envoyés à un raccord de signaux (32), servant d'entrée (32'), sont des signaux de surveillance.
  9. Dispositif de commande selon l'une des revendications 1 à 8, caractérisé en ce qu'au moins un convertisseur de signaux (37, 38) est placé dans ou sur un module de support (47), pouvant être fixé de manière amovible sur l'ensemble de soupapes (4).
  10. Dispositif de commande selon la revendication 9, caractérisé en ce que plusieurs modules de support (47) peuvent être fixés en série, l'un derrière l'autre, sur l'ensemble de soupapes (4).
  11. Dispositif de commande selon la revendication 9 ou 10, caractérisé en ce qu'au moins un module de support (47) est un module de sortie (50), équipé exclusivement de raccords de signaux (32) conformés en sorties (32').
  12. Dispositif de commande selon l'une des revendications 9 à 11, caractérisé en ce qu'au moins un module de support (47) est un module d'entrée (49), équipé exclusivement de raccords de signaux (32) conformés en entrées (32').
  13. Dispositif de commande selon l'une des revendications 9 à 12, caractérisé en ce que tous les modules de support (47) peuvent être montés l'un derrière l'autre sur un côté de commande (27) d'un bloc de commande (23), lequel est conformé en particulier en unité de communication à bus de champ et/ou en unité de commande électronique (24), équipée d'une mémoire de programme en particulier programmable, et qui communique avec les convertisseurs de signaux (37, 38).
  14. Dispositif de commande selon l'une des revendications 1 à 13, caractérisé en ce que les soupapes (13) sont placées sur un distributeur de fluide (5), qui se compose avantageusement de plusieurs modules de distributeur (54), équipés chacun d'au moins une soupape (13).
  15. Dispositif de commande selon la revendication 14 rattachée à la revendication 13, caractérisé en ce que le distributeur de fluide (5) est placé sur le côté du bloc de commande (23), opposé aux modules de support (47).
  16. Dispositif de commande selon l'une des revendications 1 à 15, caractérisé en ce que l'ensemble de soupapes (4) est pourvu d'autres raccords de signaux (33), qui forment des entrées et/ou des sorties numériques et/ou analogiques pour des signaux de commande électriques.
EP94101250A 1993-04-20 1994-01-28 Dispositif de commande pour l'utilisation en coopération avec des systèmes actionnés par des fluides Expired - Lifetime EP0624831B1 (fr)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
DE4312698 1993-04-20
DE4312698A DE4312698A1 (de) 1993-04-20 1993-04-20 Steuereinrichtung zur Verwendung im Zusammenhang mit fluidbetätigbaren Einrichtungen

Publications (3)

Publication Number Publication Date
EP0624831A2 EP0624831A2 (fr) 1994-11-17
EP0624831A3 EP0624831A3 (fr) 1996-10-16
EP0624831B1 true EP0624831B1 (fr) 1998-04-01

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EP94101250A Expired - Lifetime EP0624831B1 (fr) 1993-04-20 1994-01-28 Dispositif de commande pour l'utilisation en coopération avec des systèmes actionnés par des fluides

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EP (1) EP0624831B1 (fr)
DE (2) DE4312698A1 (fr)
ES (1) ES2114077T3 (fr)

Families Citing this family (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE19628221C2 (de) * 1996-07-15 2000-05-31 Festo Ag & Co Verfahren und Vorrichtung zur Bestimmung von Betriebspositionen einer Arbeitseinrichtung
DE19801234C2 (de) * 1998-01-09 2001-12-13 Rexroth Mecman Gmbh Ventileinheit
DE29905865U1 (de) * 1999-03-31 1999-06-17 Festo AG & Co, 73734 Esslingen Ventileinheit
DE10260543A1 (de) * 2002-12-21 2004-07-08 Festo Ag & Co Elektrofluidische Steuervorrichtung

Family Cites Families (9)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4095864A (en) * 1977-03-30 1978-06-20 Robertshaw Controls Company Modular manifolding means and system for electrical and/or pneumatic control devices and parts and methods
FR2504610A1 (fr) * 1981-04-24 1982-10-29 Telemecanique Electrique Systeme de distribution par voie electrique de signaux de commande pneumatique
DE3427589A1 (de) * 1984-07-26 1986-02-06 Festo KG, 7300 Esslingen Ventiltraeger
DE3525857A1 (de) * 1985-07-19 1987-02-05 Festo Kg Ventilanordnung
US4854219A (en) * 1988-06-10 1989-08-08 United Technologies Corporation Optical control system
DE3910913C2 (de) * 1989-04-05 1997-02-27 Festo Kg Pneumatische oder hydraulische Ventileinheit
CH683021A5 (de) * 1991-06-25 1993-12-31 Walter Ag Anordnung mit mehreren Magnetventilen, insbesondere für eine Ventilbatterie.
DE9211109U1 (de) * 1992-08-19 1992-10-29 Festo KG, 7300 Esslingen Elektro-pneumatische Steuereinrichtung
CH686975A5 (de) * 1993-01-06 1996-08-15 Imi Norgren Ag Fluidische Ventileinheit.

Also Published As

Publication number Publication date
EP0624831A3 (fr) 1996-10-16
ES2114077T3 (es) 1998-05-16
DE4312698A1 (de) 1994-10-27
DE59405556D1 (de) 1998-05-07
EP0624831A2 (fr) 1994-11-17

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