[go: up one dir, main page]

WO2010046325A1 - Procédé pour l'intégration d'un appareil de terrain supplémentaire dans un réseau radioélectrique en automatisme - Google Patents

Procédé pour l'intégration d'un appareil de terrain supplémentaire dans un réseau radioélectrique en automatisme Download PDF

Info

Publication number
WO2010046325A1
WO2010046325A1 PCT/EP2009/063632 EP2009063632W WO2010046325A1 WO 2010046325 A1 WO2010046325 A1 WO 2010046325A1 EP 2009063632 W EP2009063632 W EP 2009063632W WO 2010046325 A1 WO2010046325 A1 WO 2010046325A1
Authority
WO
WIPO (PCT)
Prior art keywords
field device
radio network
additional field
communication channel
radio
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.)
Ceased
Application number
PCT/EP2009/063632
Other languages
German (de)
English (en)
Inventor
Ulrich Kaiser
Jörg REINKENSMEIER
Werner Thoren
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 WO2010046325A1 publication Critical patent/WO2010046325A1/fr
Anticipated expiration legal-status Critical
Ceased 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
    • 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
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04W—WIRELESS COMMUNICATION NETWORKS
    • H04W24/00—Supervisory, monitoring or testing arrangements
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04W—WIRELESS COMMUNICATION NETWORKS
    • H04W84/00—Network topologies
    • H04W84/18—Self-organising networks, e.g. ad-hoc networks or sensor networks

Definitions

  • the invention relates to a method for integrating an additional field device in a radio network of automation technology, in which several field devices are already integrated.
  • field devices are often used to detect and / or influence process variables.
  • Sensors for measuring process variables include fill level gauges, flowmeters, pressure and temperature measuring devices, pH redox potentiometers, conductivity meters, etc., which record the respective process variables level, flow, pressure, temperature, pH or conductivity.
  • actuators such as valves or pumps, via which the flow of a liquid in a pipe section or the level in a container can be changed.
  • field devices are all devices that are used close to the process and that provide or process process-relevant information.
  • the term apparatus generally refers to those units which are connected directly to a field bus and serve to communicate with the superordinate units, such as e.g. Remote I / Os, Gateways, Linking Devices and Wireless Adapters. A large number of such field devices are manufactured and distributed by the Endress + Hauser Group.
  • Field devices are currently in use in modern industrial plants! Connected to higher-level units via bus systems such as Profibus®, FOUNDATION Fieldbus®, HART® etc.
  • the higher-level units are control systems or control units, such as a PLC (programmable logic controller).
  • the higher-level units serve, among other things, for process control, process visualization, process monitoring and commissioning of the field devices.
  • the measured values acquired by the field devices, in particular by sensors, are transmitted via the respective bus system to one or possibly a plurality of higher-order unit (s).
  • data is transmitted from the higher-level unit to the field devices via the bus system.
  • the wireless data transmission or the radio transmission of data is becoming increasingly important Especially in the bus systems Profibus®, FOUNDATION Fieldbus® and HART® wireless data transmission is specified via radio. Further are
  • Wireless networks for sensors specified in the standard IEEE 802.15.4 To implement a wireless data transmission, newer field devices, in particular sensors and actuators, are partly designed as radio field devices. These indicate in the order! a radio unit and a power source as an integral part, wherein a self-sufficient power supply of the field device is made possible by the power source.
  • a Wireiess adapter is thus a unit by which a "conventional" field device, which is designed only for a wired connection to a fieldbus, is extended to a radio field device.
  • WO 2005/103851 A1 describes such a wireless adapter The wireless adapter is thereby connected to a communication interface, in particular to a fieldbus communication interface, of the field device, wherein the connection between Wireiess adapter and Field device is usually solvable.
  • the field device can send the data to be transmitted via the bus system to the wireless adapter, which then transmits them via radio to the destination.
  • the wireless adapter can receive data via radio and forward it to the field device via the Feidbus communication interface.
  • the supply of the field device with electrical power is carried out in the rule via a power source of the wireless adapter.
  • the power source is usually a battery or a rechargeable battery.
  • Wireless networks in automation technology are characterized by low energy consumption and the use of a narrow transmission band.
  • the narrow transmission band ensures reliable data transmission to the addressed subscriber / field device at all times.
  • a major advantage of wireless networks over the wired bus systems is the savings in cabling and associated maintenance.
  • a radio networks integrated field devices - as already mentioned - via a battery, so a Energymakersseinhereli with a limited power capacity fed.
  • the life of the battery should normally be between 5 and 10 years.
  • Wireless networks for automation technology such as those offered by the company Dust Networks based in Berkeley, California, are designed as mesh networks of different design. Care is taken to ensure that each field device or, generally speaking, each node can communicate with at least two other nodes, thereby providing the necessary redundancy.
  • a self-sufficient node for a mesh network is described in WO 02005/094312 A2.
  • communication usually takes place only at certain times. Outside the active operating phases, the field devices are in a rest phase for the purpose of saving energy added. At rest, the energy consumption is at least approximately equal to zero.
  • the center frequency of the frequency band changes according to a predetermined pattern - this method is usually described by the technical term "frequency hopping". Frequency hopping reduces the susceptibility of a radio network to interference.
  • each node has a synchronization protocol that enables it to detect the neighboring nodes, to determine the strength of the transmitted signals, to obtain synchronization information and information about the frequency hopping and to determine the direct radio links to the neighbors.
  • the synchronization protocol must be made available to each field device, the problem arises that the field device has a high energy consumption during the integration phase, which, as already mentioned, is reduced in the case of battery-operated field devices with a limited available power capacity Lifetime leads.
  • the invention has for its object to propose a method for fast and energy-efficient integration of a new subscriber in an existing wireless network in process automation technology.
  • the object is achieved by a method which is distinguished by the following method steps: Determination of the integration parameters of a free communication channel of the radio network by an operating device that is temporarily in the vicinity of the additional field device, or determination of the integration parameters of a free communication channel of the radio network by an operating device that is temporarily in the vicinity of the additional field device, or determination of the integration parameters of a free communication channel of the radio network by an operating device that is temporarily in the vicinity of the additional field device, or determination of the integration parameters of a free
  • the HMI device is preferably a handheld, e.g. to a PDA.
  • radio network preferably operates according to the rules of a mesh network.
  • the transmission of the integration parameters from the operating device or from the selected field device of the radio network to the additional field device takes place via radio using the radio interfaces necessary for the radio network.
  • the transmission of the integration parameters from the operating device or from the selected field device to the additional field device via an IR transmission method, an induction transmission method or wired via cable.
  • each built into the wireless network feeder is powered by an internal power supply unit with energy.
  • the energy supply unit is a battery or a rechargeable battery.
  • FIG. 1 shows a schematic representation of an existing radio network, in which according to the invention an additional field device is integrated, and
  • FIG. 2 shows an enlarged view of the region X from FIG. 1.
  • the radio network FN comprises a plurality of field devices A, B 1 C, D ; E, which are each designed as radio field devices, and a gateway G. Via the gateway G can be accessed via LAN or field bus to the field devices A, B, C, D, E of the wireless network.
  • the field devices A, B, C, D, E stand with each other and with the
  • Gateway G in radio communication FV, which is shown in Fig. 1 by the dashed lines. Since the field devices A, B 1 C 1 D, E and the gateway G can communicate with one another via a plurality of redundant radio links FV, even if one of the radio links FV fails, the communication via one of the other radio links FV is maintained.
  • radio transmission technologies for the radio links FV the known technologies can be used are suitable, such as the Frequency Hopping Spread Spectrum (FHSS) method or the Direct Sequence Spread Spectrum (DSSS) method. Due to the low transmission power required, the Uttrawideband technology (UWB) is also very well suited.
  • the gateway G can be a remote transmission unit, eg the product "Fieldgate” of the company Endress + Hauser
  • the gateway can be a remote transmission unit, eg the product 'Fieldgate' of the Endress + Hauser group It communicates via the network or the feidbus with a higher-level unit SE (not shown separately)
  • the connection to the higher-level unit can also be realized by a radio link.
  • the integration parameters, in particular the time slot and the frequency change pattern, of a free communication channel of the radio network FN either by the portable control unit BE, which is temporarily in the vicinity of the additional field device F, or by a selected, in the vicinity of additional feeder F in the radio network FN placed field device E determined.
  • a GPS is integrated to determine the geographic position of the feeder A, B, C, D, E, F in each of the feeder A, B, C, D 1 E, F.
  • the advantage of the HMI device BE is that the HMI device has more energy available. This gives the possibility to scan the integration or network parameters more broadly in time and frequency. Thus, the power supply unit EE of the additional field device F is not charged.
  • the integration parameters of the determined free communication channel are transmitted from the operating device BE or from the selected field device E to the additional field device F.
  • the Transmission of the integration parameters preferably takes place via the same radio interface. Both the additional field device F and the operating device BE are preconfigured for radio communication.
  • the additional field device F is integrated into the radio network FN using the determined free communication channel.

Landscapes

  • Physics & Mathematics (AREA)
  • General Physics & Mathematics (AREA)
  • Engineering & Computer Science (AREA)
  • Automation & Control Theory (AREA)
  • Mobile Radio Communication Systems (AREA)

Abstract

L'invention porte sur un procédé pour l'intégration d'un appareil de terrain supplémentaire (F) dans un réseau radioélectrique (FN) en automatisme, dans lequel déjà plusieurs appareils de terrain (A, B, C, D, E) sont intégrés, le procédé étant caractérisé par les étapes suivantes : détermination des paramètres d'intégration d'un canal de communication libre du réseau radioélectrique (FN) par un appareil de commande (BE), qui provisoirement se trouve au voisinage de l'appareil de terrain supplémentaire (F), ou détermination des paramètres d'intégration d'un canal de communication libre du réseau radioélectrique (FN) par un appareil de terrain (F) sélectionné, intégré dans le réseau radioélectrique (FN) au voisinage de l'appareil de terrain supplémentaire (F); transfert des paramètres d'intégration du canal de communication libre ainsi déterminé, à partir de l'appareil de commande (BE) ou d'un appareil de terrain sélectionné (E) jusqu'à l'appareil de terrain supplémentaire (F); intégration de l'appareil de terrain supplémentaire (F) dans le réseau radioélectrique (FN) par utilisation du canal de communication libre ainsi déterminé.
PCT/EP2009/063632 2008-10-24 2009-10-19 Procédé pour l'intégration d'un appareil de terrain supplémentaire dans un réseau radioélectrique en automatisme Ceased WO2010046325A1 (fr)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
DE102008043170.2 2008-10-24
DE102008043170A DE102008043170A1 (de) 2008-10-24 2008-10-24 Verfahren zur Integration eines zusätzlichen Feldgeräts in ein Funknetzwerk der Automatisierungstechnik

Publications (1)

Publication Number Publication Date
WO2010046325A1 true WO2010046325A1 (fr) 2010-04-29

Family

ID=41566043

Family Applications (1)

Application Number Title Priority Date Filing Date
PCT/EP2009/063632 Ceased WO2010046325A1 (fr) 2008-10-24 2009-10-19 Procédé pour l'intégration d'un appareil de terrain supplémentaire dans un réseau radioélectrique en automatisme

Country Status (2)

Country Link
DE (1) DE102008043170A1 (fr)
WO (1) WO2010046325A1 (fr)

Families Citing this family (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE102015111841A1 (de) 2015-07-21 2017-01-26 Endress+Hauser Process Solutions Ag Verfahren und System zur drahtlosen Übermittlung von Informationen in der Automatisierungstechnik
DE102016109650A1 (de) * 2016-05-25 2017-11-30 Endress + Hauser Process Solutions Ag Vorrichtung für die Automatisierungstechnik

Citations (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
WO2009087016A2 (fr) * 2008-01-09 2009-07-16 Endress+Hauser Process Solutions Ag Procédé d'intégration d'un abonné dans un réseau de communication sans fil relevant de l'automatisation des processus

Family Cites Families (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US7529217B2 (en) 2004-03-27 2009-05-05 Dust Networks, Inc. Low-power autonomous node for mesh communication network
DE102004020393A1 (de) 2004-04-23 2005-11-10 Endress + Hauser Gmbh + Co. Kg Funkmodul für Feldgeräte der Automatisierungstechnik

Patent Citations (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
WO2009087016A2 (fr) * 2008-01-09 2009-07-16 Endress+Hauser Process Solutions Ag Procédé d'intégration d'un abonné dans un réseau de communication sans fil relevant de l'automatisation des processus

Non-Patent Citations (1)

* Cited by examiner, † Cited by third party
Title
DUST NETWORKS, TECHNICAL OVERVIEW OF TIME SYNCHRONIZED MESH PROTOCOL (TSMP), 20 June 2006 (2006-06-20), pages 1 - 18, XP002539053 *

Also Published As

Publication number Publication date
DE102008043170A1 (de) 2010-04-29

Similar Documents

Publication Publication Date Title
EP2210365B1 (fr) Fonctionnement économe en énergie d'une interface de communication filaire d'un appareil de terrain
EP2507888B1 (fr) Procédé de réglage de paramètres d'un module d'alimentation en courant d'un appareil de terrain
EP2193411B1 (fr) Procédé de fonctionnement d'un appareil de terrain dans un mode adapté en puissance
EP2199881B1 (fr) Appareil de terrain de la technique d'automatisation
WO2011054618A1 (fr) Procédé de mise en oeuvre d'un appareil de terrain utilisé dans un réseau hertzien aux fins d'automatisation
WO2010020534A1 (fr) Procédé de surveillance de l’état de charge et/ou de la capacité restante d’une batterie et/ou d’un accumulateur dans le domaine de la technique d’automation
DE102008037193A1 (de) Verfahren zur Überwachung der Reststandzeit einer Batterie
DE102009047538B4 (de) Verfahren zur Optimierung der Parametereinstellung von Energieversorgungs-Parametern eines Feldgerät-Stromversorgungsmoduls
EP2625869A1 (fr) Procédé permettant de diagnostiquer rapidement un appareil de terrain raccordé à un adaptateur sans fil
DE102008019053A1 (de) Verfahren zum Betreiben einer Anlage der Prozessautomatisierungstechnik
DE102009047542A1 (de) Verfahren zur Diagnose von fehlerhaften eingestellten Energieversorgungs-Parametern eines Feldgerät-Stromversorgungsmoduls
WO2009060000A1 (fr) Utilisation d'un adaptateur sans fil par le biais d'un appareil de terrain relié à celui-ci
DE102009047535B4 (de) Verfahren zum Ermitteln einer Anschlusskonfiguration eines Feldgerätes an einem Wireless Adapter
DE102009047385A1 (de) Verfahren zur Identifizierung eines Feldgeräts der Automatisierungstechnik
DE102009054527A1 (de) Verfahren zum Betreiben eines Funknetzwerks in einer industriellen Prozessumgebung
WO2010046325A1 (fr) Procédé pour l'intégration d'un appareil de terrain supplémentaire dans un réseau radioélectrique en automatisme
EP2316195B1 (fr) Dispositif pour commander un appareil de terrain qui est intégré dans un réseau radioélectrique en automatisme
WO2023156142A1 (fr) Procédé de vérification de l'authenticité d'un micrologiciel d'un appareil de terrain en technique d'automatisation
EP2486459A2 (fr) Procédé pour faire fonctionner une interface de bus de terrain
WO2021239350A1 (fr) Appareil de terrain pour vérifier la qualité d'une connexion réseau
DE102006062479A1 (de) Verfahren zum Betreiben eines autonomen Feldgerätes der Prozessmesstechnik
WO2023117310A1 (fr) Procédé de remplacement d'un dispositif de terrain par un dispositif de terrain de remplacement dans une station de mesure d'un système de technologie d'automatisation
WO2024170637A1 (fr) Procédé et système d'établissement d'une liaison de communication entre une unité de commande et un appareil de terrain à partir d'une ingénierie d'automatisation

Legal Events

Date Code Title Description
121 Ep: the epo has been informed by wipo that ep was designated in this application

Ref document number: 09748275

Country of ref document: EP

Kind code of ref document: A1

122 Ep: pct application non-entry in european phase

Ref document number: 09748275

Country of ref document: EP

Kind code of ref document: A1