EP1797484A1 - Application de bus de terrain comprenant plusieurs appareils de terrain - Google Patents

Application de bus de terrain comprenant plusieurs appareils de terrain

Info

Publication number
EP1797484A1
EP1797484A1 EP05789544A EP05789544A EP1797484A1 EP 1797484 A1 EP1797484 A1 EP 1797484A1 EP 05789544 A EP05789544 A EP 05789544A EP 05789544 A EP05789544 A EP 05789544A EP 1797484 A1 EP1797484 A1 EP 1797484A1
Authority
EP
European Patent Office
Prior art keywords
field
fieldbus
field devices
network
wap
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Withdrawn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
EP05789544A
Other languages
German (de)
English (en)
Inventor
Eugenio Ferreira Da Silva Neto
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.)
Endress and Hauser Process Solutions AG
Original Assignee
Endress and Hauser Process Solutions AG
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 Endress and Hauser Process Solutions AG filed Critical Endress and Hauser Process Solutions AG
Publication of EP1797484A1 publication Critical patent/EP1797484A1/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Withdrawn legal-status Critical Current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
    • 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
    • G05B19/0421—Multiprocessor system
    • 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
    • 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
    • G05B2219/30—Nc systems
    • G05B2219/31—From computer integrated manufacturing till monitoring
    • G05B2219/31121—Fielddevice, field controller, interface connected to fieldbus
    • 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
    • G05B2219/30—Nc systems
    • G05B2219/31—From computer integrated manufacturing till monitoring
    • G05B2219/31133—Contactless connector, identify module wirelessly, short distance like less than twenty cm
    • Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
    • Y02P—CLIMATE CHANGE MITIGATION TECHNOLOGIES IN THE PRODUCTION OR PROCESSING OF GOODS
    • Y02P90/00—Enabling technologies with a potential contribution to greenhouse gas [GHG] emissions mitigation
    • Y02P90/02—Total factory control, e.g. smart factories, flexible manufacturing systems [FMS] or integrated manufacturing systems [IMS]

Definitions

  • the invention relates to a fieldbus application with a plurality of field devices according to the preamble of claim 1.
  • field devices are often used which serve to detect and / or influence process variables.
  • Examples of such field devices are level gauges, mass flow meters, pressure and temperature measuring devices, etc., which detect the corresponding process variable level, flow, pressure or temperature as sensors.
  • actuators the z. B. as valves the flow of a liquid in a pipe section or as pumps can change the level in a container.
  • Field devices are in principle all devices that are used on a process component and that provide, process or store process-relevant information.
  • field devices in modern industrial plants are connected via bus systems (Profibus, Foundation Fieldbus, etc.) to higher-level units (control systems or control units).
  • higher-level units serve, among other things, for process control, process visualization, process monitoring and commissioning of the field devices.
  • An exchange of digital information between the field devices and the higher-level units is possible via the fieldbus systems.
  • Today's fieldbus systems are essentially designed for the tasks of communication of measurement data and control data. The protocols and services used are adapted to these tasks. For other tasks, fieldbus systems are sometimes not or only partially suitable. Thus, the commissioning of a fieldbus, in particular the configuration and parameterization of the individual field devices is very time-consuming.
  • the corresponding data must be transmitted to each individual field device via the fieldbus, which usually allows only a low data transmission rate.
  • Another disadvantage of the known systems is that at a Prozes ⁇ skomponente, z. B. a storage tank, no information about the Prozes ⁇ skomponente or the application are present. Furthermore, none of the field devices on a process component has information about the further field devices arranged in its immediate vicinity.
  • the object of the invention is therefore to provide a field bus application with a plurality of field devices, which does not have the abovementioned disadvantages, which in particular enables improved communication between the field devices.
  • the essential idea of the invention is that a second wireless radio network is provided between the field devices in addition to the field bus system as the first communication network. Via this wireless network, additional data can be exchanged between the field devices independent of the wired network of the fieldbus.
  • the field devices have corresponding radio modules for communication via the radio network.
  • the radio network is limited only to the immediate environment of a process component.
  • a field device is formed on the process component as a network node with sufficient storage space, in particular for configuration data.
  • the radio modules are designed so that they enable an automatic organization of the radio network.
  • the radio network is implemented in mesh technology.
  • FIG. 2 shows several field devices of a fieldbus system.
  • FIG. 1 shows a detail of a fieldbus system of automation technology.
  • a data bus Dl To a data bus Dl several computer units workstations WSL, WS2, WS3 are closed an ⁇ . These computer units serve as higher-level units z. For process visualization, process monitoring, process control, engineering or plant monitoring.
  • the data bus D1 operates, for example, according to the Profibus DP standard or according to the HSE (High Speed Ethernet standard) of the Foundation Fieldbus.
  • Via a connection unit V of the data bus Dl is connected to a field bus segment SMl.
  • the connection unit V can be a simple network bridge (eg gateway, linking device, segment coupler) or else a more sophisticated control (eg PLC or control system).
  • the field bus segment SMl consists essentially of several arranged on a storage tank T field devices Fl, F2, F3, WAP, which are connected to each other via a field bus FB. Both Field devices Fl, F2, F3 are both sensors and actuators. In the case shown, the field device WAP is not used directly for process control.
  • the fieldbus operates according to one of the known communication standards of automation technology Profibus, Foundation Fieldbus or HART.
  • the field devices Fl, F2, F3 communicate via the fieldbus FB in a conventional manner (wired) to one another or via the connection unit V to the computer units WS1, WS2 or WS3.
  • measured data recorded by the sensors and control data for the actuators are communicated via the fieldbus FB.
  • the field bus FB serves as a wired first communication network K1.
  • the field devices F1, F2, F3, WAP are still connected to one another via a further communication network, a radio network, KN2.
  • the field devices Fl, F2, F3, WAP ent speaking radio modules FM.
  • This radio network KN2 essentially serves for the transmission of additional information, such as eg. B. configuration data and parameterization data in the vicinity of a Pro ⁇ zesskomponente. Therefore, the radio network KN2 is limited to the near range by one process component. Data in the radio network KN2 must also be able to be transmitted if the fieldbus FB is not or not yet working or if a new field device is used on a process component, the storage tank T, and this new field device can not yet communicate via the fieldbus.
  • additional information such as eg. B. configuration data and parameterization data in the vicinity of a Pro ⁇ zesskomponente. Therefore, the radio network KN2 is limited to the near range by one process component. Data in the radio network KN2 must also be able to be transmitted if the fieldbus FB is not or not yet working or if a new field device is used on a process component, the storage tank T, and this new field device can not yet communicate via the fieldbus.
  • the radio modules FM are designed so that they allow automatic organization of the radio network KN2.
  • Such ad hoc radio networks are already known. In such networks, a new participant d. H. a new field device is automatically detected and integrated into the network.
  • the field device WAP serves as a network node and thus central unit in the wireless network KN2.
  • the field device WAP by polling the individual radio modules FM u. a. recognize which field devices are located in its immediate vicinity.
  • the field device WAP through intelligent software also independently from the information field devices F1 is a fill level sensor, field device F2 a valve and field device F3 a flow meter, conclude that the application is an overfill protection on a storage tank.
  • the field device WAP also a more complex application z. B. to execute an expert system for diagnosis.
  • the most diverse information z. B. of several field devices need to expire.
  • the field device WAP is also very well suited for condition monitoring of the field devices at the storage tank T.
  • a GPS system can be installed in the field device WAP, which provides a real-time clock to z. B. events and alarms on a Prozes ⁇ skomponente, to be able to determine very precisely in terms of time.
  • the field device WAP can also generate a list of field devices connected to the fieldbus segment SIM1 (Lifelist). As a result of the deviation of this fieldbus-based lifelist from a subscriber list of the radio network KN2, it can be easily established in the field device WAP that a new field device has been connected to the field bus segment SIM1.
  • the field device WAP can also communicate by radio with a higher-level unit WS1, WS2, WS3 or with the connection unit V or a field device provided on another process component, which is accordingly the field device WAP.
  • the field device WAP has no connection to the fieldbus FB.
  • Fig. 2 is again for clarity as the field devices Fl, F2, F3 and WAP communicate via the two communication networks KNL and KN2 independently.
  • the wireless network KN2 can be much easier and faster adapted to the corresponding tasks.
  • the wireless network KN2 is not specifically designed for the transmission of measurement and control data.
  • the field device WAP essentially serves as a network node (wireless access point) on a process component. Above all, it allows, without much effort, the automatic querying and detection of field devices in its immediate vicinity. It facilitates and supports the commissioning of field devices on a process component.
  • the radio network KN2 allows functionalities that a field bus system not possible.
  • the field device Fl in a simple manner by a portable computer unit (laptop, notebook, Palm), which has a ent-speaking radio interface, configured or parameterized or status information or process values are displayed.
  • the user only has to go with his computer unit into the area of the radio network KN2, d. H. in the vicinity of the storage tank T, go. Without having to establish a cable connection between computer unit and field device or field bus, the user can operate individual field devices.

Landscapes

  • Physics & Mathematics (AREA)
  • General Physics & Mathematics (AREA)
  • Engineering & Computer Science (AREA)
  • Automation & Control Theory (AREA)
  • Arrangements For Transmission Of Measured Signals (AREA)
  • Small-Scale Networks (AREA)

Abstract

La présente invention concerne une application de bus de terrain comprenant plusieurs appareils de terrain. Selon cette invention, un réseau de radiocommunication (KN2) est prévu en plus d'un bus de terrain sous forme de réseau de communication par fil (KN1). Ce réseau de radiocommunication permet d'établir une communication de données indépendante du réseau de communication (KN1) entre les appareils de terrains individuels F1, F2, F3 et WAP.
EP05789544A 2004-10-05 2005-10-05 Application de bus de terrain comprenant plusieurs appareils de terrain Withdrawn EP1797484A1 (fr)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
DE102004048766A DE102004048766A1 (de) 2004-10-05 2004-10-05 Feldbusanwendung mit mehreren Feldgeräten
PCT/EP2005/054997 WO2006037784A1 (fr) 2004-10-05 2005-10-05 Application de bus de terrain comprenant plusieurs appareils de terrain

Publications (1)

Publication Number Publication Date
EP1797484A1 true EP1797484A1 (fr) 2007-06-20

Family

ID=35423692

Family Applications (1)

Application Number Title Priority Date Filing Date
EP05789544A Withdrawn EP1797484A1 (fr) 2004-10-05 2005-10-05 Application de bus de terrain comprenant plusieurs appareils de terrain

Country Status (4)

Country Link
US (1) US20090016462A1 (fr)
EP (1) EP1797484A1 (fr)
DE (1) DE102004048766A1 (fr)
WO (1) WO2006037784A1 (fr)

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EP1995653A1 (fr) * 2007-05-22 2008-11-26 Abb Research Ltd. Système de contrôle d'un processus automatisé
DE102007039531A1 (de) * 2007-08-21 2009-02-26 Endress + Hauser Process Solutions Ag Verfahren zum Beschaffen von instandhaltungsrelevanten Informationen zu einer Anlage
DE102008003574A1 (de) 2008-01-09 2009-07-16 Endress + Hauser Process Solutions Ag Verfahren zur Integration eines Feldgerätes in ein Netzwerk der Prozessautomatisierungstechnik
DE102009026430A1 (de) * 2009-05-25 2010-12-09 Robert Bosch Gmbh Fahrzeugsensor, System mit einem Steuergerät zur Fahrzeugzustandsbestimmung und wenigstens zwei Fahrzeugsensoren und Verfahren zum Betreiben eines Systems mit einem Steuergerät zur Fahrzeugzustandsbestimmung und wenigstens zwei Fahrzeugsensoren
DE102009046503A1 (de) * 2009-11-06 2011-05-26 Endress + Hauser Process Solutions Ag Verfahren zum Bedienen eines Feldgeräts der Automatisierungstechnik in ein Funknetzwerk
DE102010024210B4 (de) * 2010-06-17 2012-09-20 Abb Technology Ag Feldgerät mit Echtzeituhr
JP5892117B2 (ja) 2013-07-17 2016-03-23 横河電機株式会社 フィールド機器及び通信システム
DE102014004478A1 (de) * 2014-03-28 2015-10-01 Abb Technology Ag Verfahren und Einrichtung zur Verwaltung und Konfiguration von Feldgeräten einer Automatisierungsanlage (l)
US10788402B2 (en) * 2016-10-25 2020-09-29 Fisher-Rosemout Systems, Inc. Field maintenance tool for device commissioning
JP6772899B2 (ja) * 2017-03-06 2020-10-21 横河電機株式会社 管理装置、中継装置、フィールド無線システム、設定方法、プログラム及び記録媒体

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US5793963A (en) * 1994-10-24 1998-08-11 Fisher Rosemount Systems, Inc. Apparatus for providing non-redundant secondary access to field devices in a distributed control system
EP0999717A2 (fr) * 1998-11-05 2000-05-10 Caly, Inc. Réseau à large bande avec une topologie maillée
DE19915294C2 (de) * 1999-04-03 2002-03-28 Webasto Thermosysteme Gmbh Bus-System
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DE10157764A1 (de) * 2001-11-27 2003-07-17 Endress & Hauser Process Solut Verfahren zum Datenaustausch zwischen einem Feldgerät und einem Funktelefon
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Also Published As

Publication number Publication date
US20090016462A1 (en) 2009-01-15
DE102004048766A1 (de) 2006-04-06
WO2006037784A1 (fr) 2006-04-13

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