WO2005010626A2 - Procede pour incorporer des dispositifs de terrain dans un systeme d'automatisation - Google Patents

Procede pour incorporer des dispositifs de terrain dans un systeme d'automatisation Download PDF

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Publication number
WO2005010626A2
WO2005010626A2 PCT/DE2004/001399 DE2004001399W WO2005010626A2 WO 2005010626 A2 WO2005010626 A2 WO 2005010626A2 DE 2004001399 W DE2004001399 W DE 2004001399W WO 2005010626 A2 WO2005010626 A2 WO 2005010626A2
Authority
WO
WIPO (PCT)
Prior art keywords
devices
automation system
driver
data processing
field
Prior art date
Application number
PCT/DE2004/001399
Other languages
German (de)
English (en)
Other versions
WO2005010626A3 (fr
Inventor
Fabian Dietrich
Bernd Hieber
Thomas Jachmann
Uwe RÜCKL
Thomas Woiciechowsky
Original Assignee
Siemens Aktiengesellschaft
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 Siemens Aktiengesellschaft filed Critical Siemens Aktiengesellschaft
Publication of WO2005010626A2 publication Critical patent/WO2005010626A2/fr
Publication of WO2005010626A3 publication Critical patent/WO2005010626A3/fr

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
    • G05B19/00—Programme-control systems
    • G05B19/02—Programme-control systems electric
    • G05B19/04—Programme control other than numerical control, i.e. in sequence controllers or logic controllers
    • G05B19/042—Programme control other than numerical control, i.e. in sequence controllers or logic controllers using digital processors
    • 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
    • G05B2219/00—Program-control systems
    • G05B2219/20—Pc systems
    • G05B2219/25—Pc structure of the system
    • G05B2219/25428—Field device

Definitions

  • field devices are being used more and more these days, using suitable sensors such as current or Voltage converters, flow meters or concentration measuring devices connected to the automated process.
  • measurement data are obtained from the process (currents, voltages, mass flows, concentrations), on the basis of which the process can be monitored and controlled.
  • suitable output devices e.g. On-screen displays are forwarded and displayed there to the monitoring personnel of the respective process, for example in the form of graphics or tables.
  • the field devices are so-called protective devices, the recorded measurement data are usually checked automatically for compliance with certain operating parameters and, if the specified operating parameters are not observed, a suitable protective measure is automatically taken, such as opening a circuit breaker in an electrical system power distribution system.
  • Field devices are connected via a so-called interface unit to a data processing device functioning as an Internet server.
  • the interface unit includes a so-called Coupling card that is used to establish the electrical connection with the field devices.
  • the interface unit includes suitable communication drivers that enable software connection of the field devices to the process control system.
  • the Internet server makes the acquired measurement data available, so-called operator stations, which are designed, for example, as client computers which access the Internet server via the Internet or an Internet-like network. To display the measurement data, these are inserted into a pre-made process picture also provided by the Internet server. Using the buttons in this process picture, a user can trigger additional control commands for the corresponding field devices.
  • the respective process to be automated must therefore be known before the field devices are connected to the control system in order to design the process picture in accordance with the real process and the corresponding measurement data of the field devices in the process picture to be able to integrate suitable positions.
  • the process picture must be adjusted again.
  • the display of the respective measurement data is limited to the measurement data preset or preselected in the process picture. As a result, the process image must be adapted accordingly even if the measurement data to be displayed changes.
  • DAQ data acquisition devices
  • the invention is based on the object of specifying a method with which field devices can be flexibly integrated into an automation system.
  • a method for integrating field devices into an automation system in which the following steps are carried out: providing individual driver devices assigned to the respective field device in a running time program running on the automation system; Combining the respective individual driver devices into an overall driver structure by the runtime program; Provision of the overall driver structure for retrieval by user data processing devices connected to the automation system.
  • a single driver device is to be understood as a program that is designed to enable the communication of an electrical device, e.g. a field device with a runtime program.
  • a runtime program can consist of a single program or a group of programs that communicate with each other.
  • the main advantage of the method according to the invention lies in the fact that the respective individual driver devices are combined to form an overall driver structure and are therefore independent of the driver connected to the automation system.
  • User data processing device only the access to this overall driver structure must be managed.
  • this overall driver structure is composed of the respective individual driver devices, a representation based on this overall driver structure can thus be adapted very flexibly to the respective combination of field devices.
  • a separate representation of the process for example in a process picture, is not necessary.
  • the exact structure of the automation system does not have to be known before the field devices are integrated.
  • a particularly advantageous embodiment of the method according to the invention provides that a common description language is used to describe the respective individual driver devices.
  • the overall driver structure can thus be created particularly easily from the respective individual driver devices without the need to use special conversion programs which convert the description of the individual driver devices. Compatibility problems between the individual driver devices are largely avoided.
  • XML is used as the common description language in such a case.
  • XML is a description language that is particularly suitable for the hierarchical structuring of data.
  • the structure of an automated process, which is usually also hierarchically structured, can thus be represented particularly cheaply with XML.
  • the overall driver structure is displayed in the form of a tree structure by means of a display device of a user data processing device connected to the automation system.
  • the display device of the user data processing device can be, for example, a monitor on which - for. B. in an open window of a graphical user interface - the overall driver structure is shown as a tree structure.
  • the tree structure in turn enables a particularly favorable representation of a hierarchically structured structure such as the overall driver structure to be achieved.
  • a further advantageous embodiment of the method according to the invention is considered to be that field devices to which the same individual driver devices are assigned are combined in groups, a single driver device being assigned to each group.
  • field devices of the same type can advantageously be combined to form a group using a common individual driver device.
  • all the protective devices connected to the automated process can be connected to the runtime program using a common individual driver device. This reduces the effort required to generate the overall driver structure.
  • a further advantageous embodiment of the method according to the invention is provided in that for the integration of a further field device or a further group of field devices in the automation system, a further individual driver device assigned to the respective further field device or the respective further group of field devices is provided in the runtime system of the automation system and the further individual driver device into the overall driver structure is included.
  • a further individual driver device assigned to the respective further field device or the respective further group of field devices is provided in the runtime system of the automation system and the further individual driver device into the overall driver structure is included.
  • a further advantageous embodiment of the method according to the invention is further provided in that a client computer connected to the automation system via a network is used as the user data processing device.
  • the individual field devices can be accessed from different locations.
  • the client computer either has a specially adapted display program with which access to the overall driver structure of the automation system is made possible, or a so-called Internet browser (for example Internet Explorer or Netscape Navigator) with which special Internet status dards (HTTP, HTML) can be accessed over the Internet on the overall driver structure.
  • Figure 1 schematically shows an automation system for an automated process
  • FIG. 2 shows a further schematic illustration of an automation system
  • FIG. 3 shows a schematic illustration of a further embodiment of an automation system
  • FIG. 4 shows an overall driver structure within an Internet browser window shown.
  • FIG. 1 shows a very schematic representation of an automation system.
  • measurement data are recorded with the aid of field devices 1, 2, 3 and 4 and transmitted via a bus system 5 to a central data processing device 6, for example an internet server.
  • the automated process is an electrical energy distribution system such as an electrical energy supply line or an electrical energy supply network. It would also be conceivable to use an automation system according to FIG. 1 also in process engineering processes, such as, for example, a sewage treatment plant, or automated manufacturing processes.
  • the field devices 1, 2, 3 and 4 can be, for example, electrical protective devices, control and control devices or devices for monitoring and recording current and voltage profiles on the power supply network or the Act power supply line.
  • the recorded measurement data would be, for example, currents, voltages or variables derived from them, such as impedances or powers.
  • the measurement data can be transmitted using various methods
  • User data processing devices 7, 8, 9 and 10 are transmitted.
  • a hard-wired user data processing device 7 is an example of this in FIG. 1, User data processing devices 8, 9 connected via a network 12, for example the Internet, and a user data processing device 10 connected via a wireless connection with the aid of combined transmitting and receiving devices 13, 14 are shown.
  • the measured values recorded by the field devices 1, 2, 3 and 4 can be displayed with the aid of special display programs or via a so-called Internet browser.
  • 21, 21a, 21b, 22, 23 are connected to a runtime program 25 running on the central data processing device 6.
  • a runtime program 25 running on the central data processing device 6.
  • the data connection that is, the connection lines shown in FIG. 2 between, for example, the field device 2 and the associated driver device 22 mean a data connection and not that a single wiring of the field devices 1, 1 a, lb, 2, 3 must be made with the central data processing device 6.
  • the data link can be achieved, for example, via a bus system 5 (see FIG. 1).
  • an individual driver device should also be understood to mean a program that time program of the automation system allows access to the respective field device.
  • the individual driver device regulates the structure of telegrams for querying measurement data provided by the field device, the structure of corresponding response telegrams and the type of data types used (eg integer, string).
  • a suitable individual driver device 21, 21a, 21b, 22, 23 is provided for each field device.
  • Such an individual driver device 21, 21a, 21b, 22, 23 can already be present, for example, in a memory area of the respective field device 1, 1 a, 1 b, 2, 3 and can be transferred to the runtime program 25 of the automation system or via an installation of the respective individual driver devices 21, 21a, 21b, 22, 23 are made available on the runtime program 25.
  • All individual driver devices are preferably
  • an overall driver structure 26 can be formed from the respective individual driver devices 21, 21a, 21b, 22, 23 in a further step in a particularly simple manner by means of the runtime program 25.
  • the overall driver structure 26 represents a single driver device, in which the various individual driver devices 21, 21a, 21b, 22, 23 are combined. It therefore contains all the data of the respective individual driver devices 21, 21a, 21b, 22, 23.
  • This overall driver structure 26 is used by the runtime program 25 of a user data processor. tion device 27 provided. With the help of the overall driver structure 26, each of the field devices 1, 1 a, 1 b, 2, 3 can be accessed by the user data processing device 27.
  • the user data processing device 27 is namely equipped with a program which enables access to the central data processing device 6 via one of the methods shown in FIG. 1. These methods shown in FIG. 1 are indicated in FIG. 2 by a dashed line 28 of the connecting line between the user data processing device 27 and the overall driver structure 26.
  • the program running on the user data processing device can e.g. is a program specially designed for access to the central data processing device 6 or, in the case of an Internet or Internet-like connection between the user data processing device 27 and the central data processing device 6, a so-called Internet browser, the possible display of which is shown by way of example in FIG. 4 is.
  • a tree structure 42 is shown in a window 40 of an Internet browser in addition to, for example, an area 41 for specifying certain settings, by means of which a user can access the various field devices 1, 1 a, 1 b, 2, 3 (cf. Figure 2) can achieve.
  • the tree structure 42 contains individual driver devices of four devices (device 1 to device 4); These correspond, for example, to the field devices 1, 1 a, 1 b, 2, 3 according to FIG. 2. These devices are summarized in the tree structure 42 under the overall driver structure “rack 0”.
  • an information area is provided which displays the desired information, for example measurement data, for a device (device 1 to device 4) selected in each case in the tree structure 42.
  • a device device 1 to device 4
  • special information for the device 4 is listed in this further display part 43.
  • the user data processing device 27 (cf. FIG. 2) thus only accesses the individual driver devices 21, 21a, 21b, 22, 23 combined in the overall driver structure 26. If, for example, there is a request for measurement data for the field device 2, the overall driver structure 26 first forwards this request to the individual driver device 22 and then by means of this to the selected field device 2. This generates a response telegram, which contains the requested measurement data, and sends it back in the opposite way via the individual driver device 22 to the overall driver structure 26. From there, the requested measurement data are finally transmitted to the user data processing device 27 and, for example, there shown in the Internet browser window 40 (see FIG. 4).
  • the main advantage of this procedure is that the user data processing device 27 communicates only with the overall driver structure 26, in which all other individual driver devices 21, 21a, 21b, 22, 23 are combined. In this way, on the one hand, the administrative effort to be performed by the user data processing device 27 is minimized, and on the other hand, a uniform representation and description of the individual driver devices 21, 21a, 21b, 22, 23 in the overall driver structure 26 make it possible
  • FIG. 3 shows an alternative embodiment of the automation system.
  • Components corresponding to FIG. 2 are identified by the same reference numerals.
  • An essential change in FIG. 3 compared to FIG. 2 is that the field devices 1, 1 a and 1 b are now combined to form a group 31.
  • the field devices 1, 1 a and 1 b can be field devices that are similar to one another, such as a plurality of protective devices, so that a common individual driver device 32 can be assigned to them.
  • the field devices 1, 1 a, 1 b are therefore also connected to this common individual driver device 32.
  • connection in this sense means in particular a data connection and not the special course of the electrical connection.
  • the common individual driver device 32 is also combined with the other individual driver devices 22 and 23 to form an overall driver structure 26.
  • the representation by means of the user data processing device 27 as well as the functioning of the data request by the user data processing device 27 and the response of the respective field device takes place analogously to the procedure described in FIG. 2.
  • FIG. 3 shows a second user data processing device 33, via which the overall driver structure 26 can be accessed just as with the user data processing device 27. There is no limit to the number of further user data processing devices.
  • FIG. 3 a further field device 3a is shown in FIG. 3, which as a new field device is incorporated into an existing configuration.
  • a further individual driver device 23a is provided in the runtime program of the automation system and, in addition to the previously existing individual driver devices 32, 22, 23, is included in the overall driver structure 26.
  • the overall driver structure 26 is expanded to include the individual driver device 23a of the further field device 3a.
  • the other field device 3a can also be accessed by the user data processing device 27 or the further user data processing device 33 analogously to the procedure described in FIG. 2 via the overall driver structure 26.

Abstract

Selon l'invention, pour qu'il soit possible d'incorporer des dispositifs de terrain (1, 1a, 1b, 2, 3) de façon particulièrement flexible dans un système d'automatisation, on procède aux étapes suivantes : préparation des dispositifs d'attaque individuels associés aux dispositifs de terrain (1, 1a, 1b, 2, 3) respectifs, selon un programme d'exécution (25) se déroulant dans le système d'automatisation ; assemblage des dispositifs d'attaque (21, 21a, 21b, 22, 23) individuels respectifs par le programme d'exécution (25), pour former une structure d'attaque commune (26) ; et préparation de la structure d'attaque commune (26) pour l'extraction par au moins un dispositif de traitement de données utilisateur.
PCT/DE2004/001399 2003-07-22 2004-06-29 Procede pour incorporer des dispositifs de terrain dans un systeme d'automatisation WO2005010626A2 (fr)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
DE2003133885 DE10333885A1 (de) 2003-07-22 2003-07-22 Verfahren zum Einbinden von Feldgeräten in ein Automatisierungssystem
DE10333885.3 2003-07-22

Publications (2)

Publication Number Publication Date
WO2005010626A2 true WO2005010626A2 (fr) 2005-02-03
WO2005010626A3 WO2005010626A3 (fr) 2005-06-16

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WO (1) WO2005010626A2 (fr)

Families Citing this family (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE102011107318A1 (de) * 2011-07-06 2013-01-10 Abb Ag Verfahren zur Konfigurierung eines Kommunikationsschnittstellenmoduls in einem Steuerungs- oder Automatisierungssystem

Citations (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP0260458A2 (fr) * 1986-09-17 1988-03-23 International Business Machines Corporation Processeurs pour réseau
US5815731A (en) * 1996-10-31 1998-09-29 International Business Machines Corporation Method and system for providing device driver configurations on demand
DE10052553A1 (de) * 2000-10-23 2002-04-25 Bosch Gmbh Robert System zur Steuerung von Betriebsabläufen und Verfahren zur Erstellung eines Programmstandes zur Steuerung von Betriebsabläufen
DE10053665A1 (de) * 2000-10-28 2002-05-02 Wwl Internet Ag Prozeß-Leitsystem zur Fern-Überwachung und -Steuerung von verfahrenstechnischen Prozessen über das Internet
WO2002077732A1 (fr) * 2001-03-22 2002-10-03 Metso Field Systems Oy Gestion de documents relatifs a des appareils de terrain dans un systeme d'automatisation

Patent Citations (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP0260458A2 (fr) * 1986-09-17 1988-03-23 International Business Machines Corporation Processeurs pour réseau
US5815731A (en) * 1996-10-31 1998-09-29 International Business Machines Corporation Method and system for providing device driver configurations on demand
DE10052553A1 (de) * 2000-10-23 2002-04-25 Bosch Gmbh Robert System zur Steuerung von Betriebsabläufen und Verfahren zur Erstellung eines Programmstandes zur Steuerung von Betriebsabläufen
DE10053665A1 (de) * 2000-10-28 2002-05-02 Wwl Internet Ag Prozeß-Leitsystem zur Fern-Überwachung und -Steuerung von verfahrenstechnischen Prozessen über das Internet
WO2002077732A1 (fr) * 2001-03-22 2002-10-03 Metso Field Systems Oy Gestion de documents relatifs a des appareils de terrain dans un systeme d'automatisation

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DE10333885A1 (de) 2005-02-24
WO2005010626A3 (fr) 2005-06-16

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