EP0624832A2 - Dispositif de commande électronique pour un poste de soupapes de construction modulaire - Google Patents

Dispositif de commande électronique pour un poste de soupapes de construction modulaire Download PDF

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Publication number
EP0624832A2
EP0624832A2 EP94101441A EP94101441A EP0624832A2 EP 0624832 A2 EP0624832 A2 EP 0624832A2 EP 94101441 A EP94101441 A EP 94101441A EP 94101441 A EP94101441 A EP 94101441A EP 0624832 A2 EP0624832 A2 EP 0624832A2
Authority
EP
European Patent Office
Prior art keywords
address
modules
control unit
module
control device
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
EP94101441A
Other languages
German (de)
English (en)
Other versions
EP0624832A3 (fr
EP0624832B1 (fr
Inventor
Kurt Stoll
Thomas Lederer
Dieter Ruckwied
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 EP0624832A2 publication Critical patent/EP0624832A2/fr
Publication of EP0624832A3 publication Critical patent/EP0624832A3/fr
Application granted granted Critical
Publication of EP0624832B1 publication Critical patent/EP0624832B1/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
    • F15B13/0853—Electric circuit boards
    • 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
    • F15B13/0814—Monoblock 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
    • F15B13/0846—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 an electronic control device for a modular valve station, which has a fluid distributor arrangement equipped with electrically controllable valves, the valves being controlled via at least one control module, with input and / or output modules and with a central electronic control unit to which the individual Modules for control and / or for data communication are connected.
  • Control devices of this type have been marketed by the applicant for a long time under the name “valve islands” or “installation islands”, with essentially a one-piece or multi-piece plate-like fluid distributor being equipped with multi-way valves.
  • a modular valve station also have input / output modules for receiving sensor signals or for controlling further external devices.
  • the central control unit controls the various modules via a bus line system.
  • Such an electronic control device or valve station is also known, for example, from DE-GM 92 11 109.
  • each module has an address decoder which compares a fixed address of the respective module with the address currently appearing on the address bus.
  • a controlling microprocessor of the central control unit can only access this module if it is identical.
  • the addresses are usually set using switches or fixed wiring. When compiling such a known valve station, the addresses must therefore be set for each module and brought into line with the programming of the central control unit. This is very time-consuming and cumbersome, in particular when the valve station is expanded by additional modules, for example when additional sensors are installed, additional external devices are to be controlled or additional additional valves are to be actuated.
  • control unit is connected to the modules via a bus line system, that each module has a programmable address decoder and that means are provided for sequential configuration of the modules and for the automatic assignment of individual addresses for the individual modules.
  • the device according to the invention allows a highly flexible, automatic address assignment without any manual settings being required.
  • the automatic address assignment remains effective even if the valve station is expanded by additional modules, and the electronic control unit automatically assigns additional addresses.
  • the address decoders have, in particular, read / write memories for storing the assigned addresses.
  • the currently valid address can be read into this from the central control unit.
  • active means are provided in a configuration phase for sequential switching of the access to the individual address decoders by the control unit, an address or an address mask being stored in the respective address decoder during the access.
  • the individual address decoders are successively provided with addresses, or existing addresses are overwritten with new addresses.
  • the addresses to be stored are fed to the address decoders via an address bus. Programming is therefore carried out without the use of data lines, since the data are transferred via the address lines.
  • the configuration phase is expediently designed as an initialization phase.
  • Means are provided for querying and identifying the respective module during the access phase, with corresponding individual module identification data being able to be transmitted to the control unit via a data bus. This takes place before the address assignment a system configuration recognition which is also carried out automatically.
  • the transmitted module identification data are linked in the control unit with the address assigned to the corresponding module.
  • the configuration phase itself is triggered by write access to an address reserved for it.
  • An address decoder can be assigned to each valve in the valve station, but it is also possible for several valves to be assigned to an address decoder which is provided with an address mask and a corresponding number of addresses.
  • control outputs of the address decoders are connected to electronic switches which control these input and / or output signals and which can be designed, for example, as buffers or flip-flops.
  • the central control unit can advantageously also be designed as a fieldbus station and work in a network with other fieldbus stations or also autonomously.
  • An expedient, easily assembled and expandable mechanical arrangement consists in that a variable number of modules can be attached to the central control unit, preferably in a row arrangement consisting of at least one row. As a result, any further modules can be added to such a row, an address being automatically assigned in the next configuration or initialization phase.
  • a central electronic control unit 10 is designed as a fieldbus station in a manner known from the prior art mentioned at the beginning and is connected to a usually two-wire fieldbus 11.
  • Several such control units 10 or valve stations can be connected to this fieldbus 11, which is indicated by a dashed continuation of the fieldbus 11.
  • a central computer 12 connected to the fieldbus 11 can control the individual control units 10 as a master station, or this central computer 12 merely transfers the control program to the control unit 10, which can then autonomously control the valve station.
  • a display and / or control device can then also be connected to an interface 13 of the control unit 10.
  • Another possibility is that if there are several valve terminals connected via the fieldbus 11, a control unit 10 works as a master unit, to which the other control units are subordinate.
  • valve module 14-16 three input and / or output modules 14-16 are arranged in a row arrangement on one side, which modules are not shown in detail, for example Are screwed together.
  • two valve modules 17, 18 are connected to the control unit 10 in a row arrangement, each of which carries four valves 19-22 and 23-26, respectively.
  • a valve module consists, in a manner known per se and not shown in detail, of a fluid distributor for a pneumatic or hydraulic medium, which has feed and ventilation channels running inside.
  • the four valves 19-22 and 23-26 are mounted on this fluid distributor, which communicate with the channels of the fluid distributor via branch channels. Connection means provided on the valves allow the connection of pressure medium lines, which lead to working means which can be actuated by pressure medium and which are also not shown.
  • Each valve 19-26 has an electrically actuable valve drive.
  • the control unit 10 has as a central program-controlled device a microprocessor 27 which is connected via a bus line system 28 to programmable address decoders 29-33 in the modules 14-18.
  • these address decoders 29-31 control the passage of input or output signals to input or output connections 34-36.
  • these address decoders 32, 33 control the individual valves 19-26.
  • the bus line connections are automatically established by appropriate plug devices, for example by boards running transversely through the modules, which are formed at their ends as plugs or couplings.
  • plug devices for example by boards running transversely through the modules, which are formed at their ends as plugs or couplings.
  • the valve modules 17, 18 the fluidic connections between the individual fluid distributors are simultaneously established.
  • valve modules are assembled, which only contain the valves, the valve controls and the address decoder.
  • Another possibility is to assign a larger number of valves to a single address decoder or, for example, to assign a separate address decoder to each valve. In the former case, for example, a single address decoder could control all valves.
  • control unit 10 is designed as an independent control unit and not with a field bus or the like. connected.
  • the valve station internal bus line system 28 consists of a data bus 37 containing eight data lines BD 0 - BD 7, an address bus 38 containing fifteen address lines A0 - A14, control lines 39, 40 (RDNOUT and WRNOUT) and a so-called daisy chain connection 41 (DCI / DCO ). All of these lines are connected to the address decoder 32.
  • the structure of such an address decoder corresponds in principle to the known, non-programmable address decodes, with the exception that an internal read / write memory (not shown) is additionally provided here, into which addresses can be read in via the address bus 37.
  • this address decoder 32 contains individual module identification data which can be applied to the data bus 37 via corresponding lines 43. This can be, for example, a permanently connected data word.
  • the output line 42 is connected to an enable input G of a decoder 44, for which, for example, the commercially available component HC 239 can be used.
  • This decoder 44 is connected to the address bus 38 via two address lines 45.
  • Control outputs of this decoder 44 control four D flip-flops 46-49, which perform a switch function in control lines 50-53, which connect the data bus 37 to electrical valve drives of the valves 19-22.
  • the number of D flip-flops 46-49, the control lines 50-53 and the address lines 45 naturally depends on the number of valves to be controlled.
  • the mode of operation of the entire self-configuring system is described below.
  • the operating system of the microprocessor 27 starts with a configuration or initialization phase.
  • the line DCI of the daisy chain connection 41 is in the first module, for example in the valve module 17, if this is connected as the first module in the daisy chain connection 41, connected to the system reset of the microprocessor 27.
  • the microprocessor 27 now generates a read access and at least one write access.
  • the address decoder 32 has eight configuration outputs 43 with "open-drain" properties.
  • the microprocessor now reads the identifier of the address decoder 32 or the valve module 17 via the lines 43 and the data bus 37.
  • the microprocessor 27 assigns an address and an address mask to this identifier and transfers them via the address bus 38 to the internal memory of the address decoder 32.
  • the module address to be programmed is changed from the address bus 38 into the memory of the address decoder which acts as an address register 32 adopted.
  • an address mask is transmitted to the address decoder 32 via the address bus 38.
  • This address mask determines the number of bytes that can be accessed in read mode as well as in write mode, starting from the base address. This specifies an active address area.
  • the termination criterion for the initialization is fulfilled when all data lines are supplied with a 1 signal.
  • a read access to a reserved address now switches to work mode. With write access to the reserved address, everyone can simultaneously Address decoder 29-33 can be switched back to the initialization mode.
  • all address decoders 29-33 work according to their previous programming during the initialization phase, that is, they can be addressed via the address range assigned to them.
  • the software switchover between the initialization and working mode is carried out solely by the address (38), RDN (39) and WRN lines (40), which means that no special data or control lines are required for this. If an address corresponding to an assigned address in one of the address decoders is present on the address bus 38, this address decoder responds and generates logically linked output signals with the read signal (RDN) and / or write signal (WRN).
  • the decoder 44 is then enabled, which, depending on the address supplied via the address lines 45, enables one of its four outputs and responds with the corresponding output signal to one of the four D flip-flops 46-49 via the clock input.
  • the signal present via the data bus 37 is transmitted to the output of the respective D flip-flop 46-49, and the corresponding valve 19-22 is activated.
  • FIG. 3 shows the circuit of an output module, for example that of the output module 14, as an exemplary embodiment. Identical and identically acting components are provided with the same reference symbols and are not described again.
  • the output line 42 is connected to the clock input of a single D flip-flop 54, the output of which is connected via an output amplifier 55 to the output connection 34, which can be designed, for example, as a socket or plug coupling.
  • the mode of operation also largely corresponds to the exemplary embodiment shown in FIG. 2. If the address decoder 29 is addressed by the address assigned to it, the control signal on the data bus 37 is transmitted via its output line 42 through the D flip-flop 54 to the output connection 34 in order to control an external unit connected to it, for example an external hydraulic valve, an actuator, a motor or the like.
  • the circuit of the module shown in FIG. 3 can also be used to control valves 19-26 of the valve station if these are individually provided with address decoders.
  • FIG. 4 shows an input module as an exemplary embodiment shown, for example the input module 15.
  • identical or identically acting components are provided with the same reference numerals and are not described again.
  • This input module 15 is used to supply external signals to the microprocessor 27, for example sensor signals, limit switch signals or the like.
  • the external signal passes via the input connection 35 into a buffer 56, for which the commercially available component HC 244 can be used, for example. If the address decoder 30 is addressed, the signal is transmitted from the buffer 56 to the data bus 37 and from there to the microprocessor 27 by means of a signal on the output line 42.
  • an analog / digital converter must also be connected upstream, the digital data word formed being transferable to the data bus 37 via a buffer arrangement and a plurality of data lines. A plurality of buffers or a buffer arrangement with a plurality of lines are then controlled in parallel by the output line 42.
  • analog output signals could of course also be used in the arrangement according to FIG. 3 by means of a digital / analog converter are formed, to which a plurality of data lines of the data bus 37 are fed on the input side.
  • combined input / output modules can also be implemented, as shown in FIG. 3 and controls input lines as shown in FIG. 4. This can be implemented via a correspondingly large address area of the address decoder.

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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)
  • Selective Calling Equipment (AREA)
  • Programmable Controllers (AREA)
  • Control By Computers (AREA)
EP94101441A 1993-04-20 1994-02-01 Dispositif de commande électronique pour un poste de soupapes de construction modulaire Expired - Lifetime EP0624832B1 (fr)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
DE4312757A DE4312757A1 (de) 1993-04-20 1993-04-20 Elektronische Steuereinrichtung für eine modulartig aufgebaute Ventilstation
DE4312757 1993-04-20

Publications (3)

Publication Number Publication Date
EP0624832A2 true EP0624832A2 (fr) 1994-11-17
EP0624832A3 EP0624832A3 (fr) 1996-07-31
EP0624832B1 EP0624832B1 (fr) 1998-10-14

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Family Applications (1)

Application Number Title Priority Date Filing Date
EP94101441A Expired - Lifetime EP0624832B1 (fr) 1993-04-20 1994-02-01 Dispositif de commande électronique pour un poste de soupapes de construction modulaire

Country Status (6)

Country Link
US (1) US5519636A (fr)
EP (1) EP0624832B1 (fr)
KR (1) KR0174573B1 (fr)
DE (2) DE4312757A1 (fr)
ES (1) ES2122051T3 (fr)
HU (1) HU218536B (fr)

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WO1997002740A2 (fr) * 1995-07-11 1997-01-30 Mauchline Business Services Systeme d'alimentation en fluide
EP0950936A1 (fr) * 1998-04-15 1999-10-20 Siemens Aktiengesellschaft Dispositif de commande électrique modulaire et configurable
EP0952359A1 (fr) * 1998-04-20 1999-10-27 Bürkert Werke GmbH & Co. Système modulaire à blocs de construction électrofluidiques
DE19923047A1 (de) * 1999-05-20 2000-11-23 Rieter Ingolstadt Spinnerei Verfahren und Vorrichtung zur Steuerung einer Komponente einer eine Vielzahl gleichartiger Arbeitstellen nebeneinander aufweisenden Textilmaschine
WO2001007974A1 (fr) * 1999-07-22 2001-02-01 Pilz Gmbh & Co. Procede de configuration d'un noeud
DE10047060A1 (de) * 2000-09-22 2002-05-08 Schneider Automation Gmbh Produktionssystem sowie Verfahren zur Konfiguration eines solchen
DE102004049771A1 (de) * 2004-10-12 2006-04-13 Endress + Hauser Flowtec Ag Verfahren zum Betreiben eines modular aufgebauten Feldgerätes der Automatisierungstechnik
WO2007090427A1 (fr) * 2006-02-10 2007-08-16 Festo Ag & Co. Kg Station de vannes électrofluidique
EP1881249A1 (fr) * 2006-07-20 2008-01-23 FESTO AG & Co Soupape avec dispositif d'affichage de données
CN105425644A (zh) * 2015-12-23 2016-03-23 扬州大学 小型泵站智能控制装置及其控制方法
CN106229125A (zh) * 2016-09-30 2016-12-14 宇龙计算机通信科技(深圳)有限公司 一种可编程控制的电感器

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DE29810102U1 (de) 1998-06-05 1998-08-20 Festo AG & Co, 73734 Esslingen Steuereinrichtung für fluidbetätigte Verbraucher
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JP3409060B2 (ja) 1999-03-31 2003-05-19 エスエムシー株式会社 シリアル信号駆動のマニホールド形電磁弁
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DE29909529U1 (de) 1999-06-01 1999-08-12 Festo AG & Co, 73734 Esslingen Fluidtechnisches Steuergerät
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FR2802664B1 (fr) * 1999-12-21 2002-03-08 Dev Industrialisation Assistan Dispositif et systeme de controle sur bus informatique pour machine mobile
DE10020075C5 (de) 2000-04-22 2011-06-22 Pilz GmbH & Co. KG, 73760 Sicherheitsschaltgeräte-Modulanordnung
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JP4288239B2 (ja) * 2002-10-25 2009-07-01 シチズンホールディングス株式会社 電子機器システム
DE10310893B4 (de) * 2003-03-11 2015-07-02 Caterpillar Global Mining Europe Gmbh Anordnung aus hydraulischen Bauteilen sowie Aktoren und/oder Sensoren für den untertägigen Bergbau
EP1465029B1 (fr) * 2003-04-01 2006-06-14 Festo AG & Co Dispositif de commande, module de commande, batterie de module et système de commande
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EP1528695B1 (fr) 2003-10-31 2007-11-14 Norgren GmbH Dispositif de commande électrique
DE102004021089A1 (de) * 2004-04-29 2005-11-24 Bosch Rexroth Ag Einrichtung zur Adressvergabe in einem normierten Feldbus-System
DE102004029549A1 (de) * 2004-06-18 2006-01-05 Bosch Rexroth Aktiengesellschaft Busmodul
EP1710447B1 (fr) * 2005-04-07 2007-11-14 FESTO AG & Co Appareil de commande électro-fluidique
DE102005041510A1 (de) * 2005-09-01 2007-03-15 Bosch Rexroth Pneumatics Gmbh Vorrichtung zur Ventilerkennung
DE102006051281C5 (de) * 2006-10-25 2013-04-25 Balluff Gmbh Verteilervorrichtung
US7624671B2 (en) 2007-02-07 2009-12-01 Sauer-Danfoss Aps Hydraulic actuator for a servomotor with an end lock function
US7677035B2 (en) 2007-02-07 2010-03-16 Sauer-Danfoss Aps Control system for a hydraulic servomotor
US7849686B2 (en) 2007-02-07 2010-12-14 Sauer-Danfoss Aps Valve assembly and a hydraulic actuator comprising the valve assembly
US7690196B2 (en) 2007-02-07 2010-04-06 Sauer-Danfoss Aps Hydraulic actuator having an auxiliary valve
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JP5717073B2 (ja) * 2012-05-09 2015-05-13 Smc株式会社 電磁弁システム
JP5641447B2 (ja) 2012-08-20 2014-12-17 Smc株式会社 電磁弁制御装置
CN108141984B (zh) * 2015-10-08 2020-02-21 阿斯科公司 串联地安装到分布式控制系统组件的阀歧管
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KR0174573B1 (ko) 1999-04-01
HU218536B (hu) 2000-10-28
EP0624832A3 (fr) 1996-07-31
HUT69209A (en) 1995-08-28
DE4312757A1 (de) 1994-10-27
US5519636A (en) 1996-05-21
ES2122051T3 (es) 1998-12-16
DE59407070D1 (de) 1998-11-19
EP0624832B1 (fr) 1998-10-14
HU9401133D0 (en) 1994-07-28

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