WO2007101765A1 - Procédé de configuration automatique d'un réseau contenant des appareils de terrain - Google Patents

Procédé de configuration automatique d'un réseau contenant des appareils de terrain Download PDF

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Publication number
WO2007101765A1
WO2007101765A1 PCT/EP2007/051187 EP2007051187W WO2007101765A1 WO 2007101765 A1 WO2007101765 A1 WO 2007101765A1 EP 2007051187 W EP2007051187 W EP 2007051187W WO 2007101765 A1 WO2007101765 A1 WO 2007101765A1
Authority
WO
WIPO (PCT)
Prior art keywords
field devices
network
address
addressed
central unit
Prior art date
Application number
PCT/EP2007/051187
Other languages
German (de)
English (en)
Inventor
Stefan Gross
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 WO2007101765A1 publication Critical patent/WO2007101765A1/fr

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Classifications

    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
    • H04L41/00—Arrangements for maintenance, administration or management of data switching networks, e.g. of packet switching networks
    • H04L41/08—Configuration management of networks or network elements
    • H04L41/0803—Configuration setting
    • H04L41/0813—Configuration setting characterised by the conditions triggering a change of settings
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
    • H04L41/00—Arrangements for maintenance, administration or management of data switching networks, e.g. of packet switching networks
    • H04L41/08—Configuration management of networks or network elements
    • H04L41/0803—Configuration setting
    • H04L41/084—Configuration by using pre-existing information, e.g. using templates or copying from other elements
    • H04L41/0843—Configuration by using pre-existing information, e.g. using templates or copying from other elements based on generic templates
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
    • H04L61/00—Network arrangements, protocols or services for addressing or naming
    • H04L61/50—Address allocation
    • H04L61/5038—Address allocation for local use, e.g. in LAN or USB networks, or in a controller area network [CAN]
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
    • H04L41/00—Arrangements for maintenance, administration or management of data switching networks, e.g. of packet switching networks
    • H04L41/08—Configuration management of networks or network elements
    • H04L41/0876—Aspects of the degree of configuration automation
    • H04L41/0886—Fully automatic configuration
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
    • H04L61/00—Network arrangements, protocols or services for addressing or naming
    • H04L61/50—Address allocation
    • H04L61/5092—Address allocation by self-assignment, e.g. picking addresses at random and testing if they are already in use
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
    • H04L69/00—Network arrangements, protocols or services independent of the application payload and not provided for in the other groups of this subclass
    • H04L69/40—Network arrangements, protocols or services independent of the application payload and not provided for in the other groups of this subclass for recovering from a failure of a protocol instance or entity, e.g. service redundancy protocols, protocol state redundancy or protocol service redirection

Definitions

  • the invention relates to a method according to the preamble of claims 1 and 5.
  • field devices perform predetermined functions as part of process automation and replace this process, functional and / or device- ⁇ relevant data with the process automation system.
  • the field devices include z.
  • the field devices in the decentralized peripheral area if necessary together with decentralized control and regulation and operation and monitoring via field buses or other communication paths are interconnected, with different field buses are connected to each other via bus couplers.
  • the field buses can turn via control devices such.
  • B. programmable programmable logic controllers be connected to a central system bus to which a central control and regulation and operation and monitoring is connected.
  • the field devices In order for the field devices to be able to communicate with other components of the automation system and possibly also among themselves, they must have unique network addresses, eg. B. bus addresses, be assigned, under which they are accessible. In addition to the manual assignment of addresses, an automatic address assignment is already possible from a central point. For this purpose, a special default address is reserved, which pre-sets ⁇ in the delivery state of the field devices and is identical for all field devices. If a new field device is connected to the network of the automation system closed, it is addressed in the context of automatic address assignment initially at this address. The field device transmits in response to him stored Ge ⁇ instrumental data to the central station and then gets assigned a unique network address from this that replaces the default address. After that, further new field devices can be gradually added to the automation system in the same way in further steps. For this purpose, operating personnel, z. As a commissioning required, which is associated with time, cost and effort and can lead to errors.
  • B. bus addresses In order for the field devices to be able to communicate with other
  • the invention is therefore based on the object to enable an automatic ⁇ tical, automatic configuration of a network with field devices contained therein.
  • the uniform invention concept consists of the fact that all field devices are addressed simultaneously under the uniform default address and that, on the basis of given behavioral rules, the individual field devices respond one after the other and the network addresses are automatically allocated one after the other.
  • the behavioral rules are that according to a known network access method, preferably CSMA / CD (Carrier Sense Multiple Access / Collision Detection) or CSMA / CA (Carrier Sense Multiple Access / Collision Avoidance), at the same time only one of the addressed field devices his Answer transmitted or alternatively, the addressed under the default address field devices first to an individually associated additional information, such as a device serial number
  • the network address can be output together with the additional information and then answer the additional information recognizing field device or the additional information recognizing field device responds first and only then gets the network address assigned.
  • the automatic address assignment was unsuccessful and can then be done manually in the hitherto conventional manner.
  • FIG. 1 shows a block diagram of an automation system with field devices and a central unit for address assignment to the field devices
  • FIG. 2 shows a flow diagram according to a first variant of the process of the invention carried out in the centra ⁇ len unit process steps
  • FIG. 3 shows a flowchart according to the first variant of the method according to the invention with method steps carried out in the field devices
  • FIG. 4 shows a flowchart according to a second variant of the method according to the invention with method steps executed in the central unit and
  • Figure 5 is a flowchart according to the second variant of the process according to the invention with devices in the field ⁇ executed method steps.
  • FIG. 1 shows, in simplified schematic representation, an example of a process automation system with field devices 1 to 5, which perform predetermined measurement, control and regulation functions in a process to be controlled and / or regulated, and process, function, and process them over a network 6 - and / or device-relevant data exchange with the process automation ⁇ system.
  • the field devices 1 to 5 via a field bus 7, z. B. according to the PROFIBUS standard, as part of the network 6 to programmable controllers 8 and 9, z. B. programmable logic controllers (PLC), connected, which in turn are connected via a central system bus 10 with a higher-level control and regulation 11 and operation and observation 12.
  • PLC programmable logic controllers
  • Automation system can in principle have a different number of automation levels, in which the individual components of the automation system are ordered in a ⁇ and from different communications because existing network communicate with each other.
  • a uniform default address eg. B. "126" by default, under which they are accessible.
  • This default address is reserved in the automation system for new field devices that are not yet integrated in the automation system.
  • these are from a central unit under the Default address addressed and then assigned an individual network address, under which they are approachable in the future.
  • the central unit can be any component within the automation system that is used for address management purposes
  • Address assignment is trained. For this purpose, in particular components such as the operation and observation 12 but also from the outside to the network 6 of the automation system on ⁇ closable or wirelessly communicating with these units 13, z. As programmers, Process Device Manager (PDM), into consideration.
  • PDM Process Device Manager
  • Figures 2 and 3 illustrate a first example of the automatic address assignment based on simplified flow charts with in the central unit ( Figure 2) and the field devices ( Figure 3) performed process steps.
  • the central unit outputs the default address from which all field devices not yet integrated in the automation system are addressed.
  • the addressed field devices check whether the network is free to send a reply.
  • a well-known network access method eg. CSMA / CD or CSMA / CA, which ensures that only one of the mentioned devices can access its network at the same time. If one of the field devices releases the network, it transmits its response and its device data to the central unit, which then outputs the network address.
  • the responding field device replaces its default address with the received network address and is thus integrated in the automation system.
  • the central unit is now again the default address, then another of not insurance system in the automation field devices integrated responses in the above described manner and gets divided a network address to ⁇ . After the last of the field devices has also responded with the default address and assigned a network address the central unit no longer receives an answer and then aborts the address assignment routine.
  • Figures 4 and 5 illustrate a second example of the automatic address assignment based on simplified flow charts with in the central unit ( Figure 4) and the field devices ( Figure 5) performed process steps.
  • the central unit outputs the default address, of which all are not yet integrated into the automation system
  • Field devices are addressed.
  • the field devices addressed go into a wait state in which they are to them identi ⁇ fithde additional information, such as their device serial numbers, wait.
  • This additional information is stored in a supplementary information table to which the zen ⁇ spectral unit has access.
  • the central unit now transmitted functions the first of the stored in the table additional Informa ⁇ , whereupon the one field device, which is associated with this additional information, transmits its response and its device data to the central unit, which then outputs the network ⁇ network address.
  • the answer nowadays field device he ⁇ sets its default address through the resulting network address ⁇ and is thus integrated into the automation system.
  • the central unit is now again the default address and then the next in the table stored to ⁇ from rate information, after which the product identified in this next additional information field device responds in the type described above and manner and is allocated a network address. After complete execution of the additional information table or after the last of the field ⁇ devices has been assigned a network address and the central unit receives no response, the address assignment routine is aborted.
  • the wait states during which service the field devices to record information to ⁇ are temporary, the After expiry of the time limit, field devices enter a state in which they respond immediately to the response under the default address. In this case, the automatic address assignment was unsuccessful and can then be done manually in the usual manner.
  • the additional information table can the central unit 13 in the automation system z. B. by means of a Process Device Manager (PDM - a universal, cross-vendor tool for configuring, parameterization, commissioning, diagnosis and maintenance of intelligent Pro ⁇ zesstechnikn) or a suitable reader that reads the additional information from the field devices or field device documents accessible be made.
  • PDM Process Device Manager
  • the central unit is able to generate the additional information table ad hoc itself.
  • the individual additional information is received by the central unit 13 and stored in an ad hoc list for further use for the address assignment described above.
  • the scanning process can be both automatically and manually started the ⁇ during startup of the automation system.

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  • Engineering & Computer Science (AREA)
  • Computer Networks & Wireless Communication (AREA)
  • Signal Processing (AREA)
  • Small-Scale Networks (AREA)

Abstract

Pour la configuration d'un réseau contenant des appareils de terrain, ceux-ci présentent d'abord des adresses par défaut identiques, par l'intermédiaire desquelles les appareils de terrain peuvent être contactés par une unité centrale connectée au réseau. Les appareils de terrain contactés par l'intermédiaire de l'adresse par défaut transmettent en tant que réponse des données d'appareil enregistrées dans les appareils, à l'unité centrale, et reçoivent en retour une adresse réseau individuelle remplaçant l'adresse par défaut. Pour permettre une configuration automatique et autonome du réseau, tous les appareils de terrain (1 à 5) sont contactés simultanément par l'intermédiaire de l'adresse par défaut, et répondent consécutivement sur la base de règles de comportement prédéfinies et reçoivent consécutivement les adresses réseau de façon automatique. Selon les règles de comportement, un seul appareil de terrain (1 à 5) transmet sa réponse selon un procédé d'accès réseau connu, de préférence CSMA/CD ou CSMA/CA, au même moment, ou les appareils de terrain (1 à 5) contactés par l'intermédiaire de l'adresse par défaut attendent une information supplémentaire qui leur est affectée individuellement, par ex. un numéro de série d'appareil, et seul l'appareil de terrain (1 à 5) reconnaissant l'information supplémentaire émise, répond et reçoit l'adresse réseau affectée.
PCT/EP2007/051187 2006-02-08 2007-02-07 Procédé de configuration automatique d'un réseau contenant des appareils de terrain WO2007101765A1 (fr)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
DE102006005805.4 2006-02-08
DE102006005805A DE102006005805A1 (de) 2006-02-08 2006-02-08 Verfahren zur automatischen Konfigurierung eines Feldgeräte enthaltenden Netzwerks

Publications (1)

Publication Number Publication Date
WO2007101765A1 true WO2007101765A1 (fr) 2007-09-13

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DE (1) DE102006005805A1 (fr)
WO (1) WO2007101765A1 (fr)

Families Citing this family (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE102008017281A1 (de) * 2008-04-04 2009-10-08 Zumtobel Lighting Gmbh Automatische Busadressvergabe mittels Kollisionsprüfung
AT14530U1 (de) 2009-09-17 2015-12-15 Tgw Mechanics Gmbh Fördereinrichtung und Verfahren zur Ermittlung der Reihenfolge von Antrieben
DE102009054904A1 (de) * 2009-12-17 2011-06-22 Endress + Hauser GmbH + Co. KG, 79689 Verfahren zum Zuweisen einer Polling-Adresse an ein Feldgerät
US20130227316A1 (en) * 2010-11-05 2013-08-29 Alelion Batteries Ab Battery module system and method for initializing battery modules
DE102010055337B4 (de) 2010-12-21 2021-12-16 Abb Ag Integration von Feldgeräten in ein verteiltes System

Citations (3)

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Publication number Priority date Publication date Assignee Title
US4680583A (en) * 1985-01-30 1987-07-14 Northern Telecom Limited Terminal address assignment in a broadcast transmission system
US4773005A (en) * 1984-09-07 1988-09-20 Tektronix, Inc. Dynamic address assignment system
EP1209878A2 (fr) * 2000-11-28 2002-05-29 Eaton Corporation Protocole de communication pour un véhicule à moteur avec attribution automatique d'adresses aux dispositifs

Family Cites Families (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE29907265U1 (de) * 1999-04-23 1999-09-16 Siemens Ag Datenübertragungssystem mit selbsttätiger Konfigurierung
DE10151119C2 (de) * 2001-10-15 2003-11-20 Siemens Ag Verfahren zum Erfassen von mehreren Feldgeräten in einer Gerätekonfiguration

Patent Citations (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4773005A (en) * 1984-09-07 1988-09-20 Tektronix, Inc. Dynamic address assignment system
US4680583A (en) * 1985-01-30 1987-07-14 Northern Telecom Limited Terminal address assignment in a broadcast transmission system
EP1209878A2 (fr) * 2000-11-28 2002-05-29 Eaton Corporation Protocole de communication pour un véhicule à moteur avec attribution automatique d'adresses aux dispositifs

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