EP0984168A2 - Arrangement de soupapes avec au moins une unité composée de plusieurs soupapes à actionnement électrique - Google Patents

Arrangement de soupapes avec au moins une unité composée de plusieurs soupapes à actionnement électrique Download PDF

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Publication number
EP0984168A2
EP0984168A2 EP99112866A EP99112866A EP0984168A2 EP 0984168 A2 EP0984168 A2 EP 0984168A2 EP 99112866 A EP99112866 A EP 99112866A EP 99112866 A EP99112866 A EP 99112866A EP 0984168 A2 EP0984168 A2 EP 0984168A2
Authority
EP
European Patent Office
Prior art keywords
valve
arrangement according
valves
valve arrangement
station
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Granted
Application number
EP99112866A
Other languages
German (de)
English (en)
Other versions
EP0984168B1 (fr
EP0984168A3 (fr
Inventor
Dieter Ruckwied
Christian Waldeck
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 EP0984168A2 publication Critical patent/EP0984168A2/fr
Publication of EP0984168A3 publication Critical patent/EP0984168A3/fr
Application granted granted Critical
Publication of EP0984168B1 publication Critical patent/EP0984168B1/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
    • F15B13/0821—Attachment or sealing of modular units to each other
    • F15B13/0825—Attachment or sealing of modular units to each other the modular elements being mounted on a common member, e.g. on a rail
    • 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
    • F15B13/085—Electrical controllers
    • 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
    • F15B13/0846—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
    • F15B13/0878—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"

Definitions

  • the invention relates to a valve arrangement with at least one consisting of several electrically operated valves Valve unit, which is an electronic control device owns the control lines with the electric drives of the valves is connected.
  • Such a valve arrangement is for example from the DE 195 26 459 known, the electronic control device is designed as a bus station, which has a Bus can be controlled and adjusted from a central station or is programmable.
  • bus stations often have Control panels to manual regardless of the central station Make settings and simple programming too can, for example the setting of addresses and / or the setting of the valves to be controlled.
  • the valve units are often used in practice difficult to access or the lighting conditions are poor, so that adjustment and programming of controls only in a very complex and cumbersome way is possible.
  • Another disadvantage is that an exchange of one with such a control unit Valve unit or bus station for repair purposes all settings are carried out again have to.
  • This object is achieved in that a housing containing the electronic control device or housing part with a detachably insertable setting and / or Programming part for the electronic control device is provided.
  • the advantage of the solution according to the invention is in particular in that for setting or programming Adjustment and / or programming part removed and at good lighting conditions, for example on the desk, can be adjusted.
  • the setting can be so for example, even after installing the valve assembly respectively.
  • Another advantage is that the Replacement of a valve unit in the event of a repair through the exchangeable setting and / or programming part remains intact and does not have to be repeated. It only the previous setting and / or programming part be plugged into the new device.
  • the setting and / or Programming part either provided with setting switches, or it has one through a computer programmable memory, for example an EPROM, an EEPROM or the like. Also in the latter case, this Adjustment and / or programming part removed and good Lighting conditions on a computer or another Programming unit can be programmed.
  • a computer programmable memory for example an EPROM, an EEPROM or the like. Also in the latter case, this Adjustment and / or programming part removed and good Lighting conditions on a computer or another Programming unit can be programmed.
  • the setting and / or programming part is expedient provided with an electrical connector, when inserting the setting and / or programming part the electrical connections in the valve unit manufactures.
  • This connector can also be used with a contained programmable memory as a connection for the programming computers.
  • valves of each valve unit by a plate-like Housing part covers that the electronic control device as well as the electrical connections.
  • the electronic control device is preferably as bus station controlled by a central station via a bus educated.
  • the bus station has the invention at least one serial port on that via a connection cable with a serial / parallel converter at least one further valve unit and / or at least one input module for detecting Control signals can be connected, the serial / parallel converter via control lines with the electrical Drives the valves of this at least one more Valve unit for controlling the electric drives these valves through the bus station and / or via sensor cables is connected to the sensors.
  • the central valve unit provided with the bus station expediently has a plug connection connection for the bus, electrically or as a fiber optic connection can be executed so that here a connection through the bus line can be simply plugged in.
  • the at least one serial port of the central Valve unit and at least one serial connection of the at least one further valve unit or at least an input module is advantageously as a plug connection trained for the connecting cable so that a additional valve unit using the connecting cable by simply plugging in the central valve unit or can be connected to the bus station.
  • Each Valve unit and each input module has expediently two plug connections, so that additional valve units can be easily plugged in without Distributors are required.
  • the plug connections and the at least one connecting cable are preferably also provided for power supply, so no additional wiring for the power supply is required.
  • valves of every other valve unit are also through a plate-like housing part that covers the serial / parallel converter as well as the electrical connections.
  • the plate-like housing part of the central valve unit also a power supply part included, which the various voltages required for Provides.
  • the plate-like housing part has electrical plug connections for the individual electric drives of the Valves that are designed so that when the plate-like housing part on the lined up Valves automatically make the necessary electrical connections be produced and no wiring here either is required.
  • Valve arrangement consists of a central valve station 10 six side-by-side plate valves 11 with in essential rectangular plate outline. To the two outer plate valves 11 of this plate valve stack each have a correspondingly contoured end plate 12 lined up.
  • a valve unit is, for example known from DE 44 13 657 and therefore does not need any further details to be described.
  • Each plate valve includes, for example one main valve and two to control it Serving pilot valves by electric drives can be actuated, for example by electromagnet arrangements.
  • the arrangement of plate valves 11 and end plates 12 is covered by a plate-like housing part 13, by means of retaining screws 14 on the two end plates 12 is fixed.
  • This housing part 13 contains a bus station 15, the serial arranged in a bus cable 16 Bus lines with a central station, not shown is connectable. To this central station or to the bus lines can of course still in the usual way other bus stations of other systems or valve arrangements be connected. To connect the bus station 15 with the bus cable 16, this is with a plug 17th provided in a mating connector 18 on the housing part 13 can be inserted. In principle, this housing connection electrically or as fiber optic connection3 his.
  • the bus station is used to control the plate valves 11 15 via control lines 19 with the electric drives of the individual plate valves 11 connected. This includes the housing part 13 the required, not shown Valve driver.
  • the central valve station 10 is supplied with power via a supply cable 20, which is by means of a plug 21 with a supply input socket 22 on the housing part 13 is connectable.
  • the housing part 13 does not contain one illustrated power supply part, which from the over the Supply cable 20 provided input voltage of 24 volts, for example Voltages are available, for example, for the bus station 15 poses.
  • the plate-like housing part 13 also has one Output socket 23, via the further valve stations 24, 25 be connected to the central valve station 10 can.
  • These have further valve stations 24, 25 no own bus station, but only in the similar in shape to the plate-like housing part 13 plate-like housing parts 28 serial / parallel converter 26 housed, each via control lines 27 with the electric drives of the plate valves 11 these further valve stations 24, 25 are connected.
  • in the rest of these further valve stations 24, 25 are similar the central valve station 10, and the same or components with the same effect have the same reference numerals provided and not described again.
  • Each of the additional valve stations 24, 25 has two Connection sockets 29, with flexible connection cables 30 for connecting the output socket 23 to a connection socket 29 of the valve station 24 and another Connection socket 29 of the valve station 24 with a connection socket 29 of the valve station 25 are provided.
  • a connecting cable only partially shown on one the connecting sockets 29 of the valve station 25 should indicate that other, additional valve stations can be connected.
  • the flexible connection cables 30 contain serial lines for the transmission of Control commands from the bus station 15 to the serial / parallel converters 26 or to the electric drives the plate valves 11 of the additional valve stations 24, 25.
  • receive feedback for example sensor feedback to the bus station 15, via to transmit these serial lines.
  • input modules can be used instead or in addition to the further valve stations 24, 25 be provided.
  • These input modules have similar to the other valve stations 24, 25 serial / parallel converter 26, which can be connected to various sensors are, for example for monitoring the end positions or other positions of cylinders.
  • These input modules similarly have connection sockets 29 which accordingly with the central valve station 10 or with further valve stations 24, 25 can be connected.
  • the sensed sensor signals are then each serialized Signals converted and via the flexible connection cable 30 fed to the bus station 15. It is in principle also possible, such input modules with additional To combine valve stations, that is, these additional valve stations can also Sensor signals are supplied.
  • the flexible connecting cables 30 also contain Supply lines to from the central valve station 10 from the further valve stations 24, 25 with the necessary To supply operating voltages.
  • the flexible connecting cable 30 only connecting lines and make one unnecessary other cabling.
  • the central valve station has 10 a slot on the plate-like housing part 13, into which a memory module 31 can be detachably inserted.
  • the memory module 31 is pulled out and can on a workplace using a computer or a other programming device programmed and set become. Then it is again in the housing part 13 plugged in.
  • a change in the setting or programming is required, for example, if an additional Valve station is added, for setting the bus address, when the number of plate valves 11 changes, when the functions of individual plate valves change or the like.
  • the memory module 31 has a non-volatile one Memory, for example an EPROM, a EEPROM or a battery-backed memory.
  • the Plug contacts of the memory module 31 for electrical Connection to the bus station 15 can be used simultaneously Serve connection with the programming unit.
  • the bus station 15 can also be used for independent execution be trained by control programs that are independent run from a controller via the central station can. This enables decentralized automation in the A small, flexible and inexpensive solution reached.
  • adjustment module 32 are used instead of the memory module 31 can be inserted into the housing part 13 is.
  • This setting module 32 contains setting switches 33, which are designed as so-called dip switches or dil switches could be. Also by means of these setting switches 33 settings and simple programming can be made such as setting Addresses or the like. Of course it is also possible Combined plug-in modules provide both setting switches included as well as memory. In any case the respective module for setting or programming pulled out of the housing part 13, and the required Settings and programming can be done on Work place in good space and light conditions be performed.
  • valve stations contain 10, 24, 25 six plate valves 11 each.
  • the invention is of course not applicable to the application limited for plate valves 11, but can also be used for valve stations, the other Have valve series arrangements.
  • all sockets 22, 23, 29 are the same shown.
  • they can but also stand out from each other, for example Supply input socket 22 on the housing part 13 a have a different shape, especially if they is used exclusively for power supply.
  • this input socket 22 also the same function as have the output socket 23, that is, to them additional valve stations can be connected.
  • the supply voltage must then on the housing part 13 are supplied in another way, for example via the Bus cable 16.
  • the housing parts 13, 28 are in one piece in the exemplary embodiment shown. In a modification of the invention they can also be in two parts in the form of two superimposed Plates should be formed, the to the Plate valves 11 adjacent sub-plate connectors or connecting contacts for the various electrical Drives of the plate valves 11 has and corresponding Conductor tracks or connecting lines leading to a Plug contact arrangement for connection to the outer guide the second plate.
  • the second outer panel then contains the described electronic components and sockets.
  • the plate-like housing parts 13, 28 can still Control lights to check the operating status of the have individual plate valves 11.

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  • Engineering & Computer Science (AREA)
  • Physics & Mathematics (AREA)
  • Fluid Mechanics (AREA)
  • Mechanical Engineering (AREA)
  • General Engineering & Computer Science (AREA)
  • Chemical & Material Sciences (AREA)
  • Analytical Chemistry (AREA)
  • Programmable Controllers (AREA)
EP99112866A 1998-09-05 1999-07-03 Arrangement de soupapes avec au moins une unité composée de plusieurs soupapes à actionnement électrique Expired - Lifetime EP0984168B1 (fr)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
DE19840597 1998-09-05
DE19840597A DE19840597A1 (de) 1998-09-05 1998-09-05 Ventilanordnung mit mindestens einer aus mehreren elektrisch betätigbaren Ventilen bestehenden Ventileinheit

Publications (3)

Publication Number Publication Date
EP0984168A2 true EP0984168A2 (fr) 2000-03-08
EP0984168A3 EP0984168A3 (fr) 2000-05-31
EP0984168B1 EP0984168B1 (fr) 2004-09-15

Family

ID=7879953

Family Applications (1)

Application Number Title Priority Date Filing Date
EP99112866A Expired - Lifetime EP0984168B1 (fr) 1998-09-05 1999-07-03 Arrangement de soupapes avec au moins une unité composée de plusieurs soupapes à actionnement électrique

Country Status (2)

Country Link
EP (1) EP0984168B1 (fr)
DE (2) DE19840597A1 (fr)

Cited By (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP1237061A1 (fr) * 2001-03-02 2002-09-04 Thomas Dipl-Ing. Schmidt Méthode et dispositif de télécommande d'une pluralité d'actionneurs
WO2007073816A1 (fr) * 2005-12-15 2007-07-05 Bosch Rexroth Ag Dispositif de commande electrohydraulique, soupape et electronique de commande
WO2023217633A1 (fr) * 2022-05-11 2023-11-16 Hawe Hydraulik Se Ensemble soupape hydraulique

Families Citing this family (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE20006295U1 (de) 2000-04-06 2000-07-20 Festo AG & Co, 73734 Esslingen Ventilanordnung
DE20119954U1 (de) 2001-12-08 2002-03-07 Festo AG & Co, 73734 Esslingen Ventilanordnung
DE502004003768D1 (de) 2003-04-04 2007-06-21 Tiefenbach Control Sys Gmbh Elektrisch gesteuertes bet tigungselement an einer maschine
JP5004049B2 (ja) 2007-10-10 2012-08-22 Ｓｍｃ株式会社 空気圧機器用制御システム

Citations (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE4413657C1 (de) 1994-04-20 1995-11-02 Festo Kg Ventilanordnung
DE19526459A1 (de) 1995-07-20 1997-01-23 Festo Kg Ventilanordnung

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DE4001017A1 (de) * 1990-01-16 1991-07-18 Bosch Gmbh Robert Montageeinheit aus einem ventilblockaggregat sowie einem steuergeraet
DE4037353C1 (fr) * 1990-11-20 1992-03-12 Mannesmann Ag, 4000 Duesseldorf, De
US5184648A (en) * 1992-04-27 1993-02-09 The Rexroth Corporation Solenoid-operated valve for mounting in seriatim having automatic wireway device
DE9211109U1 (de) * 1992-08-19 1992-10-29 Festo KG, 7300 Esslingen Elektro-pneumatische Steuereinrichtung
JP3355775B2 (ja) * 1994-03-10 2002-12-09 アイシン精機株式会社 電磁弁ユニット
US5495871A (en) * 1995-04-03 1996-03-05 The Aro Corporation Multiple valve manifold with plural power supplies
DE29519678U1 (de) * 1995-12-12 1996-02-01 Klöckner-Moeller GmbH, 53115 Bonn Busfähiger Verstärkerbaustein für Antriebsanordnungen elektromagnetischer Schaltgeräte
JPH10132122A (ja) * 1996-10-25 1998-05-22 Aisin Seiki Co Ltd 電磁弁ユニット
DE19653714C1 (de) * 1996-12-10 1997-12-11 Mannesmann Ag Einrichtung zur Übermittlung von Steuersignalen an Ventile
DE19723388C1 (de) * 1997-06-04 1998-07-02 Draegerwerk Ag Modulare Piezoventilanordnung

Patent Citations (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE4413657C1 (de) 1994-04-20 1995-11-02 Festo Kg Ventilanordnung
DE19526459A1 (de) 1995-07-20 1997-01-23 Festo Kg Ventilanordnung

Cited By (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP1237061A1 (fr) * 2001-03-02 2002-09-04 Thomas Dipl-Ing. Schmidt Méthode et dispositif de télécommande d'une pluralité d'actionneurs
WO2007073816A1 (fr) * 2005-12-15 2007-07-05 Bosch Rexroth Ag Dispositif de commande electrohydraulique, soupape et electronique de commande
WO2023217633A1 (fr) * 2022-05-11 2023-11-16 Hawe Hydraulik Se Ensemble soupape hydraulique

Also Published As

Publication number Publication date
EP0984168B1 (fr) 2004-09-15
DE19840597A1 (de) 2000-03-16
DE59910499D1 (de) 2004-10-21
EP0984168A3 (fr) 2000-05-31

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