EP2240834A1 - Système modulaire comportant un alignement de modules électriques - Google Patents

Système modulaire comportant un alignement de modules électriques

Info

Publication number
EP2240834A1
EP2240834A1 EP08707592A EP08707592A EP2240834A1 EP 2240834 A1 EP2240834 A1 EP 2240834A1 EP 08707592 A EP08707592 A EP 08707592A EP 08707592 A EP08707592 A EP 08707592A EP 2240834 A1 EP2240834 A1 EP 2240834A1
Authority
EP
European Patent Office
Prior art keywords
module
modules
control
lines
module system
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.)
Withdrawn
Application number
EP08707592A
Other languages
German (de)
English (en)
Inventor
Christian Waldeck
Eduard Faber
Danny Schneider
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 EP2240834A1 publication Critical patent/EP2240834A1/fr
Withdrawn legal-status Critical Current

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
    • G05B9/00—Safety arrangements
    • G05B9/02—Safety arrangements electric
    • 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

Definitions

  • the invention relates to a modular system with juxtaposed electrical modules, which are controlled by a control unit, according to the preamble of claim 1.
  • Such modular systems with lined-up valve modules, each containing solenoid valves, are known for example from DE 44 09 665 Al or EP 1 094 228 Al.
  • a serial data bus runs across the modules.
  • An object of the present invention is to provide a modular system of the type mentioned, which allows a simpler, cheaper and more flexible addressing of the individual modules. This object is achieved by a modular system with the features of claim 1.
  • the modular system according to the invention has the advantage that the control unit can access one module or simultaneously several modules in a simple manner via the parallel Mödul selection lines and communicate with this module or these modules while the other modules are blocked.
  • the control or data signals transmitted via the serial or parallel control and data lines are simultaneously applied to all modules, but are only registered by the selected or selected modules.
  • the system according to the invention allows the number of required bus lines to be minimized or allows a higher number of inputs and outputs to be addressed than conventional systems of the same number of lines. Address data does not have to be transmitted channel by channel.
  • the system also allows the transmission of serial protocols via the serial or parallel bus system (control and data lines) without having to hold separate lines.
  • the design can be more compact while at the same time distributing better power dissipation. Since the bus system according to the invention can be realized with a comparatively small number of lines, the connection between the modules can be realized much more cost-effectively than with comparable systems in conventional technology.
  • control unit is suitably strung as a control module to the other modules, so that a total of a compact arrangement is achieved.
  • the lines running through the modules are electronically connected from module to module via multi-pin plug connections, so that the modules merely have to be plugged together to automatically establish the electrical connections.
  • the module selection lines are diagonally linked, wherein they are offset in particular by one position in each case from module to module and in each case the last line in the displacement direction in the respective module is connected to the functional device of the respective module. Due to this skew linking, the modules are automatically assigned to the
  • Module selection lines or by selecting the order of the modules can be made a simple assignment to the module selection lines.
  • the implementation of plug and work functionality by the control unit for the entire module system is very simple.
  • a manual configuration of the structure is not necessary and an automated configuration only insofar as the control unit must query the nature of the respective functional devices or modules, but not their position.
  • the number of contacts of the multipole plug-in connections can advantageously be reduced by routing the module selection lines from module to module via an encoder-decoder arrangement or an adder as decoder.
  • An oblique linking can be realized physically or logically.
  • the functional devices in the modules preferably consist of one or more functional units, which may be designed, for example, as input, output, parameterization, configuration, diagnostic and / or control units.
  • the input units are designed in particular as reading devices and the output units as writing devices.
  • the modules are designed as valve modules containing solenoid valves of a valve station and / or as electrical modules.
  • the electrical modules are expediently designed for controlling actuators and / or for the feedback of sensor signals.
  • control and data lines have at least one command line for switching over the functional devices of the modules between the reading of input signals and the writing or outputting of output or control signals.
  • command decoders are preferably provided in the functional devices, wherein function devices of very simple design can also manage without a command decoder.
  • the command decoder are expediently switchable from at least one module selection line to enable and disable.
  • FIG. 1 shows a schematic block diagram of a modular system as a first exemplary embodiment of the invention, each module having a functional unit having eight functional units,
  • FIG. 2 shows a similar module system in the same representation as a second embodiment, in which the modules have s different functional devices and
  • Figure 3 shows a similar module system in the same representation as a third embodiment, in which the module selection lines are guided from module to module via lo encoder decoder arrangements.
  • modules 10 to 14 are positioned in a series arrangement and connected to a control module 15, which is also attached as a series module to the row of modules 10 to 14, in the exemplary embodiment next to the first module 10.
  • the modules 10 to 14 thus form together with the control module 15 is a compact modular system, wherein the modules 10 to 15, for example, as a solenoid valves containing valve modules and / or as electrical modules and / or mixed modules
  • control module 15 may be formed as a separate, remote from the other modules control device.
  • the control module 15 generates the control functions for the individual modules 10 to 14, wherein also control functions in the
  • the control module 15 and possibly also the modules 10 to 14 contain, for example, a microcontroller. In a manner not shown, the control module 15 can also be connected to a higher-level remote control wirelessly or via a Bussy
  • each module has 10 to 14 on a plant side to the next module a multipole connector and on the opposite side of the plant a Multipolstecêtnähme. The same applies to the connection between the control module 15 and the first module 10.
  • Each module has an electronic functional device 19, which consists of eight functional units 20 each, which can be controlled or operated via a command decoder 21.
  • the parallel module selection lines 17 are designed as obliquely linked lines, wherein these module
  • Selection lines 17 are offset from module to module in their order in each case by one position.
  • the respective first line in the respective module in the direction of displacement which is the lowest line according to FIG. 1, is connected to the command decoder 21 of the respective functional device 19 in order to block or activate the respective functional device 19 via it.
  • the module selection lines 17 are used to select that module or those modules whose functional device 19 is to be activated, ie to communicate via the control and data lines 16.
  • the remaining functional devices 19, that is to say the deactivated functional devices 19, are indeed accessible via the control and data lines 16 are loaded with the same data or control information, but they are not read or executed.
  • the control and data lines 16 consist of a data bus 22 which is applied to the functional units 20 of all functional devices 19 and one or more command lines 23, which predetermines or declares to the respective command decoder 21 whether data should be read or written or output. This can e.g. Be sensor signals or control signals. If necessary, the command decoder 21 and / or the functional units 20 have bus stations for reading out the serial bus signals or for outputting serial bus signals. By selecting the function devices 19 via the module selection lines 17, no address signals in the serial data sequences of the data bus 22 are thus required.
  • One or more modules 10 to 14 can also communicate via parallel data lines 16 with the control unit 15 by means of a suitable serial protocol.
  • the control unit 15 addresses the module 10 to 14 with which it wishes to communicate via the module selection lines 17 as described.
  • the serial mode is optional.
  • a module can have both normal and serial functional units 20 at the same time. Modules without serial mode are freely miscible with those with serial mode.
  • the number of functional units 20 is variably selectable. In the case of very simply constructed functional devices 19 with, for example, a very small number of functional units 20, command decoder 21 may also be dispensed with.
  • the assignment of the module selection lines 17 by the control module 15 via an encoder 24 contained therein, can be programmed via the arbitrary assignments. The order of the modules 10 to 14 or the respective row position thus automatically leads to the predetermined assignment of a specific module selection line 17. Further modules can be added to the series arrangement of the modules 10 to 14, their number being limited only by the number of modules -Selekomtechnischen 17 is determined.
  • the individual modules 10 to 15 may already have actuators, e.g. Contain valves and are then designed as valve modules or they are designed as pure electrical modules and are used to control external actuators and / or feedback from sensor signals, diagnostic signals and the like. This will be explained in more detail in connection with FIG.
  • the second embodiment again has five modules 25 to 29, which, however, now have different functional devices 30 to 34.
  • the module 29 is designed as a last module of the series arrangement, it being possible to arrange further modules between the modules 28 and 29, as is symbolized by two wavy lines.
  • the electronic functional device 30 of the module 25 has three functional units, namely an input unit 35 (input), a diagnostic unit 36 and a configuration unit. unit 37.
  • This module 25 is thus designed as a pure electronic module and is connected, for example, to an external device whose sensor signals or other signals are to be transmitted to the control module 15. Furthermore, this external device can be configured via the configuration unit 37, and a diagnosis can be carried out by means of the diagnostic unit 36, the results of which can be reported back to the control module 15.
  • the module 26 has, in addition to the three functional units of the module 25, a valve control module 38 and is designed as a valve control module and contains an unillustrated internal valve or a plurality of internal valves or it controls external valves.
  • the valve control unit 38 may contain control functions or merely transmits control functions on the part of the control module 15.
  • the module 27 contains a parameterization unit 39, which serves for the parameterization of the internal or external valves or the valve control on the part of the control module 15.
  • the module 28 contains, in addition to the three functional units of the first module 25, an output unit 40 (output) via which external actuators can be controlled.
  • the module 28 is thus again designed as a pure electrical module.
  • the module 29 is designed as a simple valve control module and contains, in addition to a valve control unit 38, only one configuration unit 37, which serves for the configuration of the valve or the valve control unit 38.
  • the number and arrangement of the functional units in the individual functional devices 30 to 34 can be selected as desired and depends on the required number of functions and on the type of actuators to be controlled, which can be arranged internally and / or externally. All functional devices 30 to 34, including the command decoder 21, may for example be designed as microcontrollers or may contain microcontrollers. This also applies to the functional devices of the other embodiments.
  • the third embodiment shown in Figure 3 again largely corresponds to the first embodiment, wherein the electronic functional devices 19 are constructed identically.
  • the electronic functional devices 19 are constructed identically.
  • different functional devices with a different number and type of functional units can also be provided here.
  • the four modified modules 41 to 45 are equipped with modified module selection lines 46. These are not connected according to the module selection lines 17 through multipole connectors 18, but are transmitted between the modules via encoder 47 and decoder 48.
  • the module selection lines 46 within a module are encoded at the output to the next module via one of the encoders 47 and decoded at the input of the next module via a corresponding decoder 48.
  • the number of contacts of the multipole plug-in connections 49 used here is reduced.
  • the number of contacts between the encoder 24 of the control module 15 and the decoder of the first module 41 is also reduced.
  • the decoders 48 in the individual modules 41 to 45 can communicate via an enabling line 50, which runs through all the modules 41 to 45 synchronized or additionally encoded or recoded to the control module 15, so that the number of required Mo- dul-selection lines 46 can be reduced. This is an optional feature that may be omitted.
  • the module selection lines 46 may alternatively also be included in each module for selection via a e.g. be executed as an adder formulated decoder (48). On encoder 47 can then be dispensed with.
  • the function of the skew linking can then be realized by a corresponding mathematical or logical operation or coding.

Landscapes

  • Engineering & Computer Science (AREA)
  • Physics & Mathematics (AREA)
  • Fluid Mechanics (AREA)
  • Mechanical Engineering (AREA)
  • General Engineering & Computer Science (AREA)
  • General Physics & Mathematics (AREA)
  • Automation & Control Theory (AREA)
  • Programmable Controllers (AREA)

Abstract

L'invention concerne un système modulaire comportant un alignement de modules électriques (10 à 14) et une unité de commande (15) pour commander ces modules (10 à 14). Des lignes pilotes et des lignes de transmission de données (16) forment des lignes de bus sérielles et parallèles partant de l'unité de commande (15) et traversant les modules (10 à 14), ces lignes étant disposées ensemble dans chaque module (10 à 14) adjacentes à des dispositifs fonctionnels électroniques (19). Plusieurs lignes de sélection de module (17) parallèles traversent les modules (10 à 14), au moins une de ces lignes étant raccordée au dispositif fonctionnel (19) de chaque module (10 à 14) pour la libération ou le verrouillage du dispositif fonctionnel (19). Ainsi, le ou les modules (10 à 14) souhaités sont sollicités de manière simple, sans adressage par canal au moyen de séries de commandes et de données.
EP08707592A 2008-02-07 2008-02-07 Système modulaire comportant un alignement de modules électriques Withdrawn EP2240834A1 (fr)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
PCT/EP2008/000933 WO2009100726A1 (fr) 2008-02-07 2008-02-07 Système modulaire comportant un alignement de modules électriques

Publications (1)

Publication Number Publication Date
EP2240834A1 true EP2240834A1 (fr) 2010-10-20

Family

ID=40802137

Family Applications (1)

Application Number Title Priority Date Filing Date
EP08707592A Withdrawn EP2240834A1 (fr) 2008-02-07 2008-02-07 Système modulaire comportant un alignement de modules électriques

Country Status (2)

Country Link
EP (1) EP2240834A1 (fr)
WO (1) WO2009100726A1 (fr)

Families Citing this family (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
ITUB20152644A1 (it) 2015-07-30 2017-01-30 Metal Work Spa Sistema di elettrovalvole a portata maggiorata.
ITUB20152663A1 (it) * 2015-07-30 2017-01-30 Metal Work Spa Dispositivo di comando modulare per isole di elettrovalvole.
DE102016213724A1 (de) * 2016-07-26 2018-02-01 Festo Ag & Co. Kg Reihenmodul, Funktionsmodulanordnung und modular ausgebildete Steuerungsanordnung

Family Cites Families (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE4019465A1 (de) * 1990-04-03 1991-10-10 Merten Gmbh & Co Kg Geb Anschlusseinrichtung fuer die hausleittechnik
DE19653714C1 (de) * 1996-12-10 1997-12-11 Mannesmann Ag Einrichtung zur Übermittlung von Steuersignalen an Ventile
DE202005015791U1 (de) * 2005-10-07 2005-12-08 Bürkert Werke GmbH & Co. KG Modulsystem aus anreihbaren Einzelmodulen

Non-Patent Citations (2)

* Cited by examiner, † Cited by third party
Title
None *
See also references of WO2009100726A1 *

Also Published As

Publication number Publication date
WO2009100726A1 (fr) 2009-08-20

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