EP2201454A1 - Appareil d'automatisation doté d'un programme de commande et procédé de programmation de celui-ci - Google Patents

Appareil d'automatisation doté d'un programme de commande et procédé de programmation de celui-ci

Info

Publication number
EP2201454A1
EP2201454A1 EP08805004A EP08805004A EP2201454A1 EP 2201454 A1 EP2201454 A1 EP 2201454A1 EP 08805004 A EP08805004 A EP 08805004A EP 08805004 A EP08805004 A EP 08805004A EP 2201454 A1 EP2201454 A1 EP 2201454A1
Authority
EP
European Patent Office
Prior art keywords
web
programming
automation
automation device
control program
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Withdrawn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
EP08805004A
Other languages
German (de)
English (en)
Inventor
Ronald Schoop
Ivan Delamer
Armando Walter Colombo
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.)
Schneider Electric Automation GmbH
Original Assignee
Schneider Electric Automation GmbH
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 Schneider Electric Automation GmbH filed Critical Schneider Electric Automation GmbH
Publication of EP2201454A1 publication Critical patent/EP2201454A1/fr
Withdrawn legal-status Critical Current

Links

Classifications

    • G—PHYSICS
    • G06—COMPUTING; CALCULATING OR COUNTING
    • G06F—ELECTRIC DIGITAL DATA PROCESSING
    • G06F9/00—Arrangements for program control, e.g. control units
    • G06F9/06—Arrangements for program control, e.g. control units using stored programs, i.e. using an internal store of processing equipment to receive or retain programs
    • G06F9/44—Arrangements for executing specific programs
    • G06F9/445—Program loading or initiating
    • G06F9/44505—Configuring for program initiating, e.g. using registry, configuration files
    • G—PHYSICS
    • G06—COMPUTING; CALCULATING OR COUNTING
    • G06F—ELECTRIC DIGITAL DATA PROCESSING
    • G06F9/00—Arrangements for program control, e.g. control units
    • G06F9/06—Arrangements for program control, e.g. control units using stored programs, i.e. using an internal store of processing equipment to receive or retain programs
    • G06F9/46—Multiprogramming arrangements
    • G06F9/54—Interprogram communication

Definitions

  • the invention relates to an automation device with control program according to the preamble of claim 1 and to a method for programming and / or configuration of at least one control program of an automation device according to the preamble of claim 8.
  • An automation device with a web service stack and a method for calling an automation program in an automation device are described in WO 2008/101912 A1. It is provided that the automation program and the web service stack is a web service interface for remote access to the automation program parent.
  • the automation device may be networked with other automation and / or applications coupled, the web service interface being recognizable over the network by a protocol such as WS discovery for higher level software applications, and with output messages being subscribable.
  • SOA Service-Oriented Architecture
  • Interoperability or full compatibility is facilitated by a clear abstraction of the interface or communication interface, which presents a service to its environment through the implementation of the service.
  • Basic interaction patterns of a device level SOA can be described by means of five functional levels: addressing, finding, writing, control, event.
  • Devices are characterized as either controlling or controlled devices, but a given device can embody both roles and enable "peer-to-peer” interactions, as well as describing device-level service-oriented protocols, such as UPnP (Universal Plug and Play) including IP, TCP, UDP, HTTP, SOAP and XML.
  • UPnP Universal Plug and Play
  • DPWS Device Profiles for Web Services
  • Discovery Services Used by a device that connects to a network to spread the word and discover other devices.
  • Methoda Data Exchange Services Provides dynamic access to a hosted service of the device and its metadata, such as WSDL or XML schema definitions.
  • a "controlled” device is simply referred to as a “device,” while a “controlling” device is referred to as a “client.”
  • a DPWS protocol tack consists of the following components:
  • WSDL Web Services Discription Language
  • WS-Addressing is tightly connected to the SOAP and concentrates all addressing information into the header of the SOAP message wrapper, allowing the message content to be transmitted over any transport protocol (HTTP, SMTP, TCP, UDP, ...)
  • WS-Policy is used to express rules in connection with the Web Service in the form of "Policy Assertions", which complete the WSDL description of the service
  • WS-Metadata Exchange allows the dynamic retrieval of metadata associated with the web service (description, schema and policy), thus providing a web service self-checking mechanism
  • WS-Security is an optional set of mechanisms for securing end-to-end message integrity, confidentiality, and authenticity.
  • DPWS protocol stack integrates all the standards presented above.
  • DPWS Web Service complements "Discovery” and "Preventing" protocols. For example
  • WS Discovery is a protocol for "plug-and-play" discovery of network-connected resources. It defines a multicast P protocol for searching for and finding devices. Once found, the device shows the services it provides.
  • WS-Eventing defines a publish-subscribe-event-handling protocol that allows a web service to exchange event-related messages with other web services.
  • WS-Eventing is planned for the implementation a range of applications, from device-oriented to enterprise-scaled-published-subscribed systems, in the upper part of the same architecture.
  • each DPWS-based service has a specific WSDL description. This description is device specific; Thus, different device types have different WSDL descriptions with few similarities.
  • the DPWS service code relies on various functions to handle messages. These functions depend on the DPWS description of a particular service. For one service to communicate with another in this context, both services must implement each other's specific functions. Therefore, each time a new service is designed, each WDSL description must be compiled to generate a server code and a client code.
  • the automation devices comprise web services which provide common, universal access Interfaces are equipped to enable automatic detection and start of functions that provides the automation device. Neither the call of automation programs nor the programming / configuration and processing of the automation programs is described in the article.
  • the present invention is based on the problem, an automation device and a method for programming control programs of the programmable controller such that a creation, modification and debugging of the control program is possible in a simple manner.
  • an automation device according to the invention in that the automation device has an integrated web-based programming interface.
  • the programming interface is arranged in an embedded web server and is accessible via a web browser, which is connected to the automation device.
  • the automation device is preferably connected via a bus system with other automation devices and the web browser, via which the programming interface is accessible.
  • Control Programs Configuring the XML Web Service Interface for a Control Program o Message Structure ⁇ Schema o called control program o parameter submission o event generation o service endpoint configuration: name and invocation address Debug control programs.
  • the automation device via the programming interface by means of an automation talks such as IEC-61131LD, FDD, ST or IL programmable and / or testable.
  • an automation talks such as IEC-61131LD, FDD, ST or IL programmable and / or testable.
  • the automation device is characterized by the fact that the Web services and XML messaging can be configured by means of the programming interface.
  • control programs and / or control program tasks can be called by XML messaging and / or web services or XML event messages can be generated if user-defined process conditions are met.
  • the execution mechanism for the control programs, the web service stack and the programming interface are integrated in the same processor and preferably run on this.
  • the web service / XML messaging functions and the programming environment share the same embedded web server.
  • Web service capabilities and XML messaging capabilities are coupled to the control program execution mechanism through an interpreter such as IEC-61131.
  • the invention relates to a method for programming and / or configuring at least one control program of an automation device, which is connected via a network with further automation devices and at least one web browser and uses for communication with other automation devices and automation software web services.
  • the method according to the invention comprises the following method steps: Establishment of a connection between the web browser and a web-based programming interface integrated in the automation device, display of a programming / configuration application in the web browser,
  • the programming interface provides a programming environment that enables the programming of the automation device by means of an automation language such as IEC-61131LD, FDB, ST or IL.
  • the automation language configures Web services-based XML messaging and debugs the control programs.
  • XML messaging and / or web services are used to generate XML event messages.
  • the web service / XML messaging functions and the programming environment share the same embedded web server as HTTP servers.
  • the web service / XML messaging functions have direct software access to the execution mechanism for control programs, such as an IEC 61131 interpreter.
  • Fig. 1 functional diagram of an automation device
  • Fig. 2 is a schematic representation of the access to a built-in automation devices programming application through a web browser
  • FIG. 1 shows a functional diagram 10 of an automation device 12, which according to FIG. 2 is connected via a network 14 to further automation devices 16, 18 and to a personal computer 20 with integrated web browser 22.
  • the function diagram 10 will be explained below using examples of the automation device 12.
  • This comprises a real-time operating system 24 on which a control execution mechanism 26 for executing control programs 28, 30, 32 runs.
  • a TCP / UTB / IP stack 34 and an HTTP server 36 is provided to connect the automation system 12 to the network 14.
  • the TCP / UTB / IP stack 34 and the HTTP server 36 form transport layers for the transport of messages over the network 14.
  • a web services stack 38 is arranged, which provides web services 40, which are used for communication with other automation devices 16, 18 and automation or control software.
  • the automation device 12 has an integrated web-based programming interface 42, which provides an embedded web-based programming environment.
  • the programming interface 42 is located in the embedded web server 36 and is accessible via the web browser 32, which is connected via the network 14 to the automation device 12.
  • the programming environment provided by the programming interface 42 enables the programming of the automation device 12 by means of a programming language, such as e.g. LD, FBD, ST or IL according to IEC-61131. Furthermore, the web services 40 and XML messages contained in the web services stack 38 can be configured and the control programs 28, 30, 32 debugged.
  • a programming language such as e.g. LD, FBD, ST or IL according to IEC-61131.
  • the web services 40 and XML messages contained in the web services stack 38 can be configured and the control programs 28, 30, 32 debugged.
  • XML messaging and / or web services 40 are used to invoke the control programs / tasks 28, 30, 32 or to generate XML event messages when custom process conditions are met.
  • control execution mechanism 26 web services stack 38 with XML messaging and programming / debugging functions of the programming interface 42 are permanently integrated and run in the same processor on the real-time operating system 24.
  • the web service / XML messaging functions and the programming environment provided by the programming interface 42 share the same embedded web server 36 for their communication with the network 14. Both functions have direct software access to the control execution mechanism 26, which may be embodied, for example, as an IEC 61131 interpreter.
  • the automation device is equipped with the control execution mechanism 26 for the control programs 28, 30, 32.
  • the web services stack 38 allows:
  • an XML message received from the stack 38 causes the retrieval of a function in the execution mechanism 26 to start a given control program.
  • gram 28, 30, 32 as an IEC 61131-3 task, using parameters extracted from the XML message.
  • event messages during execution of a control program 28, 30, 32, one or more event messages can be generated, which are announced and distributed by the web services stack 38 like XML messages.
  • programming application or programming interface 42 is accessible by the web server 36 via the web browser 22 shown in FIG. 2 and allows functions such as:
  • Control Programs Configuring the XML Web Service Interface for a Control Program o Message Structure ⁇ Schema o called control program o parameter transfer o event generation o service endpoint configuration: name and call address Debug control programs.
  • a control engineer establishes a connection using the web browser 22 to the automation device 12.
  • the homepage represented by the device allows access to the programming interface 42; You may need to use username and password to authenticate the technician.
  • the programming and configuration application 42 is then displayed in the web browser 22.
  • the application can be implemented as JavaApplet, JavaScript, .NET-Program or AJ AX-Style application.
  • the technician then uses the application 42 to generate a plurality of control programs 28, 30, 32 using an IEC 61131 language.
  • the programming application 42 internally translates the 61131 code into a native bytecode or an interpreted bytecode.
  • the technician then configures a web service 38, 40 which may be used to access one of the control programs 28, 30, 32.
  • the configuration consists of defining a call message, mapping message parameters to control program parameters, and adding any event messages that are produced.
  • the technician may then proceed to debug the application through the Web browser 22 or use the appropriate commands to enable independent execution of the program.
  • an automation device which provides an integrated web-based programming interface and uses web services for communication with other automation devices and automation software.
  • the programming interface is located in an embedded web server and is accessible via a web browser that is connected to the automation device.
  • the programming environment allows the programming of the automation device by means of an automation language such as e.g. LD, FBD, ST or IL to IEC 61131, which configures web services and XML messaging and debugs the control programs.
  • an automation language such as e.g. LD, FBD, ST or IL to IEC 61131, which configures web services and XML messaging and debugs the control programs.

Landscapes

  • Engineering & Computer Science (AREA)
  • Software Systems (AREA)
  • Theoretical Computer Science (AREA)
  • Physics & Mathematics (AREA)
  • General Engineering & Computer Science (AREA)
  • General Physics & Mathematics (AREA)
  • Stored Programmes (AREA)
  • Programmable Controllers (AREA)

Abstract

L'invention se rapporte à un appareil d'automatisation (12, 16, 18) comprenant un mécanisme d'exécution (26) pour des programmes de commande (28, 30, 32) ainsi qu'une pile de services Web (38) pour communiquer avec d'autres appareils d'automatisation (12, 16, 18) et/ou logiciels d'automatisation. L'invention se rapporte également à un procédé de programmation de celui-ci. Selon l'invention, l'appareil d'automatisation (12, 16, 18) présente une interface de programmation de type Web (42) intégrée pour la programmation et la configuration des programmes de commande. Le procédé comprend les étapes suivantes : Établissement d'une liaison entre le navigateur Web (22) et une interface de programmation de type Web (42) intégrée dans l'appareil d'automatisation (12, 16, 18), Représentation d'une application de programmation/configuration dans le navigateur Web (22), Génération d'au moins un programme de commande (28, 30, 32) en utilisant un langage de programmation, Configuration d'un service Web (40) pour accéder à l'au moins un programme de commande (28, 30, 32).
EP08805004A 2007-10-05 2008-10-02 Appareil d'automatisation doté d'un programme de commande et procédé de programmation de celui-ci Withdrawn EP2201454A1 (fr)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
DE102007048050 2007-10-05
PCT/EP2008/063219 WO2009047201A1 (fr) 2007-10-05 2008-10-02 Appareil d'automatisation doté d'un programme de commande et procédé de programmation de celui-ci

Publications (1)

Publication Number Publication Date
EP2201454A1 true EP2201454A1 (fr) 2010-06-30

Family

ID=40193808

Family Applications (1)

Application Number Title Priority Date Filing Date
EP08805004A Withdrawn EP2201454A1 (fr) 2007-10-05 2008-10-02 Appareil d'automatisation doté d'un programme de commande et procédé de programmation de celui-ci

Country Status (5)

Country Link
US (1) US20100293360A1 (fr)
EP (1) EP2201454A1 (fr)
JP (1) JP2011503682A (fr)
CN (1) CN101849223B (fr)
WO (1) WO2009047201A1 (fr)

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US8823520B2 (en) * 2011-06-16 2014-09-02 The Boeing Company Reconfigurable network enabled plug and play multifunctional processing and sensing node
US8909641B2 (en) 2011-11-16 2014-12-09 Ptc Inc. Method for analyzing time series activity streams and devices thereof
US9576046B2 (en) 2011-11-16 2017-02-21 Ptc Inc. Methods for integrating semantic search, query, and analysis across heterogeneous data types and devices thereof
US9098312B2 (en) 2011-11-16 2015-08-04 Ptc Inc. Methods for dynamically generating an application interface for a modeled entity and devices thereof
DE102011056524A1 (de) 2011-12-16 2013-06-20 Schneider Electric Automation Gmbh Verfahren zur Bewertung einer Nutzung einer von einer Automatisierungskomponente bereitgestellten Leistung und/oder Funktion
WO2013137884A1 (fr) * 2012-03-15 2013-09-19 Schneider Electric Industries Sas Gestion des adresses de dispositifs dans un système de régulation d'automation
JP6285010B2 (ja) 2013-03-15 2018-02-28 ピーティーシー インコーポレイテッド 意味論的モデル化およびタグ付けを使用してアプリケーションを管理する方法およびその装置
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Also Published As

Publication number Publication date
CN101849223A (zh) 2010-09-29
JP2011503682A (ja) 2011-01-27
US20100293360A1 (en) 2010-11-18
WO2009047201A1 (fr) 2009-04-16
CN101849223B (zh) 2013-06-12

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