EP2781067A1 - Dispositif utilisateur destiné à être utilisé dans un système de transmission numérique, système de transmission numérique et procédé de transmission de données. - Google Patents

Dispositif utilisateur destiné à être utilisé dans un système de transmission numérique, système de transmission numérique et procédé de transmission de données.

Info

Publication number
EP2781067A1
EP2781067A1 EP12784031.2A EP12784031A EP2781067A1 EP 2781067 A1 EP2781067 A1 EP 2781067A1 EP 12784031 A EP12784031 A EP 12784031A EP 2781067 A1 EP2781067 A1 EP 2781067A1
Authority
EP
European Patent Office
Prior art keywords
data
subscriber
segment
protocol stack
participants
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Withdrawn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
EP12784031.2A
Other languages
German (de)
English (en)
Inventor
Lothar Jagusch
Ralf Thar
Johannes Meissner
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.)
Eaton Intelligent Power Ltd
Original Assignee
Eaton Electrical IP GmbH and Co KG
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 Eaton Electrical IP GmbH and Co KG filed Critical Eaton Electrical IP GmbH and Co KG
Priority to EP12784031.2A priority Critical patent/EP2781067A1/fr
Publication of EP2781067A1 publication Critical patent/EP2781067A1/fr
Withdrawn legal-status Critical Current

Links

Classifications

    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
    • H04L49/00—Packet switching elements
    • H04L49/90—Buffering arrangements
    • H04L49/9084—Reactions to storage capacity overflow
    • H04L49/9089—Reactions to storage capacity overflow replacing packets in a storage arrangement, e.g. pushout
    • H04L49/9094—Arrangements for simultaneous transmit and receive, e.g. simultaneous reading/writing from/to the storage element
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
    • H04L67/00—Network arrangements or protocols for supporting network services or applications
    • H04L67/14—Session management
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
    • H04L47/00—Traffic control in data switching networks
    • H04L47/10—Flow control; Congestion control
    • H04L47/19—Flow control; Congestion control at layers above the network layer
    • H04L47/193—Flow control; Congestion control at layers above the network layer at the transport layer, e.g. TCP related
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
    • H04L47/00—Traffic control in data switching networks
    • H04L47/10—Flow control; Congestion control
    • H04L47/24—Traffic characterised by specific attributes, e.g. priority or QoS
    • H04L47/245—Traffic characterised by specific attributes, e.g. priority or QoS using preemption
    • 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
    • H04L69/30—Definitions, standards or architectural aspects of layered protocol stacks
    • H04L69/32—Architecture of open systems interconnection [OSI] 7-layer type protocol stacks, e.g. the interfaces between the data link level and the physical level
    • H04L69/322—Intralayer communication protocols among peer entities or protocol data unit [PDU] definitions
    • H04L69/326—Intralayer communication protocols among peer entities or protocol data unit [PDU] definitions in the transport layer [OSI layer 4]

Definitions

  • the invention relates to a method for data transmission in a digital
  • Transmission system having at least two subscribers, wherein the at least two subscribers are connected via a data connection, a subscriber for use in a digital transmission system with at least one further subscriber, in particular a switching device and / or an operating, control or networking device; and a digital transmission system with at least two participants.
  • EP 1814002 AI shows a system for data acquisition in a distributed
  • Automation system in which a field device and a database system are connected to each other directly via a network, and the date of the field device is active and directly via the network to the database system.
  • DE 10 2005 003 011 AI shows an example of a digital transmission system with a point-to-point connection.
  • a digital transmission system which is assumed here, includes on the one hand as participants, a switching device, such as a circuit breaker or a motor protection switch, and on the other hand, a control device, such as a gateway, a control unit or a PC with interface and appropriate software.
  • a switching device such as a circuit breaker or a motor protection switch
  • a control device such as a gateway, a control unit or a PC with interface and appropriate software.
  • Processor means for processing protocol stacks which are individually adapted to the specific circumstances of each participant. Such individualized point-to-point connections for each participant allow for optimal communication, but are extremely complex in design and changes.
  • the data transmission can be simplified in that all participants receive a common communication interface, ie a common protocol stack, Although the communication interface is fundamentally adaptable to the data structure of the respective subscriber due to a modular structure of the protocol stack, an individually adapted processing of the specific data does not take place.
  • An object of the invention is to communicate in a
  • Transmission system with at least two subscribers provides that at least two subscribers are connected via a data connection.
  • a protocol stack is processed by processor means of the participants.
  • Protocol stacks refers to an Open Systems Interconnection Reference Model (OSI) reference model, known to those skilled in the art
  • OSI Open Systems Interconnection Reference Model
  • Layered model that serves as the basis of communication protocols.
  • a communication invocation routine in a session layer of the protocol stack the exchange of data between the at least two participants is organized via the data connection.
  • a read-write routine for filling and / or reading out the buffer memories in a transport layer of the protocol stack is arranged Data to a sequence of telegrams too.
  • at least two priority levels for the transport of data of different priority levels are defined in the telegrams.
  • a preferred embodiment of the method provides that each telegram is subdivided into a plurality of segments, at least one status data segment for data having the highest precedence level being defined and at least one data field segment being defined for data of other precedence levels. This means that the data with the highest precedence level is written into each data telegram and thus updated with each transmission, since the status data segment is reserved for this data of the highest precedence level.
  • a further preferred embodiment of the method provides that cyclically transmitted data for transmission in at least a first data field segment and a second data field segment per telegram are entered.
  • the data is assigned to the first data field segment and / or the second data field segment in particular according to a round-robin method.
  • the data to be cycled forms a second precedence stage among the data written to the status data segment.
  • the cyclic data is transmitted continuously but not completely with every data telegram. If the memory space of the data field segments is not sufficient for all cyclic data, these are sent over several telegrams distributed according to the addressed round-robin method.
  • a further preferred exemplary embodiment of the method provides that at least one data field segment is assigned an information segment, information being transmitted by the information segment as to whether an information segment is being transmitted
  • acyclic data is a third priority level of data among the cyclic data which are not transmitted on-going but only on request.
  • the acyclic data are advantageously written into the data field segments as well as the cyclic data.
  • the hint segment accordingly contains the information as to what type of data, cyclic or acyclic, is involved. In the opposite direction, the hint segment advantageously also serves to deliver the request of the acyclic data to the subscriber.
  • a data object is transmitted with each data field segment, data of a particular type being combined in each case as the data object.
  • the data objects are defined in particular in a layer of the protocol stack above the communication call routine.
  • Identical protocol stacks are preferably processed by the processor means of the at least two subscribers, with the exception of a configuration of the data set of the objects used in the device, which is carried out in a configuration step depending on characteristics of the respective subscriber.
  • a further subject of the invention is a subscriber for use in a digital transmission system with at least one further subscriber, which preferably operates according to the method described above.
  • communication means are provided for connecting the subscriber to the at least one further subscriber via a data connection, as well
  • a buffer memory for storing data and processor means for processing a protocol stack, wherein a communication invocation routine comprises a session layer of the protocol stack for the organized exchange of the data between the
  • Data connection forms and a read-write routine for filling and / or reading the buffer memory is provided in a transport layer of the protocol stack, wherein the write-read routine, the data of a sequence of telegrams and wherein each telegram has at least two priority levels for data of different precedence levels.
  • each telegram is subdivided into a plurality of segments, wherein at least one status data segment is provided for data with the highest precedence level and at least one data field segment is provided for data of other precedence levels.
  • Each data field segment is preferably provided for the transmission of a data object, wherein in a data object in each case data of a certain type are combined.
  • a definition of the data objects preferably forms a layer of the protocol stack above the communication invocation routine.
  • At least a first data field segment and a second data field segment per telegram are provided for the transmission of data to be transmitted cyclically.
  • An assignment of the data to the first data field segment and / or to the second data field segment is preferably carried out according to a round-robin method.
  • at least one data field segment is associated with an indication segment, wherein the
  • Note segment is provided for transmitting information about whether there is a request for acyclic data and / or whether the associated data field segment includes requested acyclic data.
  • the processor means of the at least two subscribers process identical protocol stacks with the exception of one Configuration, which is feasible depending on characteristics of the subscriber.
  • the configuration includes a definition of data objects sent by the subscriber.
  • inventive method as well as the subscriber according to the invention for use in a digital transmission system with at least one other subscriber and the digital transmission system with at least two participants.
  • status data consists of individual bits that
  • cyclic and acyclic data are structured in the form of objects.
  • an object is a compilation of similar data, for example data on currents, voltages, device identification, parameters.
  • cyclic data is transmitted "automatically" and recurrently, i. the corresponding object is transmitted again and again without requiring user intervention or any other explicit request for this data.
  • acyclic data is transmitted only once and on request.
  • Priority levels are provided 2.
  • the priority levels are achieved by segmenting the telegram, for example there being at least one segment with high-priority status data and a data field segment for other data.
  • the data field contains data objects, the data each one type
  • Data objects are cyclically in the data fields; it can be more than one
  • Data fields can be assigned note segments, which contain an indication as to whether acyclic data is being requested or transmitted
  • Figure 1 is a diagram of a possible system structure for the application of
  • Figure 2 is a diagram illustrating a telegram structure
  • FIG. 3 shows a diagram for clarifying a data object
  • FIG. 4 shows a point-to-point protocol stack according to the method according to the invention in relation to an OSI reference model
  • Figure 5 shows a part of the structure of Figure 1 in a more detailed schematic representation
  • FIGS 6 to 8 three case examples for the communication between two participants.
  • Transmission system is a communication system that can be used for different switching devices.
  • the system is designed to allow optimal transmission of existing data for these devices. At the same time it is easily adaptable to the requirements of the individual devices.
  • the method is based on a system structure shown schematically in FIG. On the left side of the illustration is an unlimited number of switching devices 11, 12, 13 to IN, where IN denotes the Nth switching device.
  • the different switching devices such as circuit breakers or
  • Motor-protective circuit-breakers have in common that they detect the current flow and possibly other physical quantities and, if necessary, perform switching operations. You can either directly via a first connection 10 or via an intermediate display or control unit 21, 23 to 2N and a second
  • Connection 20 are coupled to a fieldbus gateway 31, 32, 33 to 3N, which establishes the bus connection 40 to a fieldbus master (not shown). Furthermore, the connection to a respective PC 41, 42 to 4N with appropriate software is possible, for example via a branched connection 30, either on the device 12 itself or on the display 21, 2N. Depending on the design, this connection 30 could be in addition to or instead of the connection to the gateway 31, 32, 3N.
  • Devices which can be integrated in such a system are, for example, switching devices, namely open or compact circuit breakers, motor starters,
  • the data telegram 100 will be discussed below.
  • the devices that are connected to the method according to the invention usually have different types of data.
  • the data telegram 100 is divided into several segments 1 to 6 for the transmission of information.
  • Identification segment 1 contains a unique identifier of the telegram, for example, a consecutive numbering.
  • a status data segment 2 contains an overview of the status of the device or the connected loads. Here, for example, alarm states are displayed without specifying concrete values. The status data is typically updated most rapidly, such as every 15 to 25 milliseconds, and is used in the
  • PLC programmable logic controller
  • a first data field 3 and a second data field 5 are for receiving data which is transmitted cyclically, e.g. Measured values, time information and the like provided. These data are located below the status data and are accordingly updated less frequently, typically every 50 to 200 milliseconds. Each of the two data fields 3, 5 transmits a data object (see FIG. 3), in which similar data are combined.
  • RMS currents or phase voltages could be bundled into one object at a time.
  • Devices which transmit more than two data objects cyclically change the content of the data fields 3, 5 in each transmission cycle. In the case of a device with five objects A, B, C, D, E, this means, for example, that the objects A and B are transmitted in the first cycle, the objects C and D in the second cycle and the objects E and A again in the third cycle, which is also referred to as round-robin method.
  • a checksum segment 6 contains, for example, a CRC-16 checksum over the telegram content and thus serves to secure the transmitted data.
  • This telegram structure ensures that all data is transmitted according to their relevance. Status data as the most important information comes as fast as the device itself can deliver it. The cyclic data is also transported at the same rate, although here the round-robin procedure results in longer update times.
  • certain data can be specifically requested or transferred as required.
  • All data from the data fields 3, 5 are combined into data objects according to FIG. These objects each consist of an object header 7, 8, which indicates the nature of the data, as well as the actual data 9.
  • the object header comprises a field 7 for a classification of the data and a field 8 for a
  • Transmission protocol are met, this will have no further impact, such as a destruction of the telegram, data loss or system crash.
  • a point-to-point protocol stack 60 according to the method of the present invention will be described in relation to an OSI reference model having seven layers.
  • the OSI reference model 50 assumes a network with more than two subscribers, while the method according to the invention provides a point-to-point communication. Accordingly, the layer structure is not congruent.
  • Application layer 57, presentation layer 56, and session layer 55 have been combined to define the data objects 67 and the actual one
  • the transport layer 54 in the OSI reference model 50 corresponds directly to the routines for filling or reading out the transmission buffer 64. Here, it is also determined which data objects must be transmitted next, for example, if an acyclic data request has to be responded to.
  • a network layer 53 is omitted in the protocol stack 60 because it is not a network but a point-to-point connection.
  • Link layer 52 is again covered directly by the transmit and
  • the physical layer 51 in the method according to the invention consists of two levels, a hardware abstraction Layer 61a (HAL), which makes the adaptation to the processor used, as well as the actual physical interface 61b.
  • HAL hardware abstraction Layer
  • the core area consisting of the call of the communication routines 65 and the filling and emptying of the buffer memories 64 always remains unchanged, while all other layers can be adapted to the respective needs.
  • the scope of the data object layer 67 is determined by the different use of the predefined data objects depending on the device. The type of
  • Communication method is determined by the transmit and receive routines 62. These determine, for example, whether an asynchronous data exchange is used via UART or a synchronous procedure such as SPI. By exchanging the corresponding routines, it is thus possible to switch between the methods. All other components of the system are preserved.
  • the hardware abstraction layer 61a adapts to the actually used hardware, that is to the microcontroller. This allows the use of all superimposed layers with different microcontrollers.
  • the power switch 11 has only one interface 111 and one internal memory 110.
  • the arrows A illustrate that internal processes of the respective devices influence the stored content.
  • the power switch 11 supplies measured values and receives parameter data.
  • the display 21 has two
  • Interfaces 211, 212 and a memory 210 It receives measured values from the power switch 11, displays them and passes them on to the gateway 31, receives parameters from the gateway 31, displays them and hands them to the Circuit breaker 31 continues.
  • the display 21 may request by menu control itself data such as parameters or identification of circuit breaker 1 1 and gateway 31.
  • the gateway 31 has only one interface 311 and a memory 310. It receives measured values, which are forwarded by the power switch 11 via the display 21 and sends parameters which are forwarded from the display 21 to the power switch 1 1. All these configurations can be implemented without any programming effort. For each device, only a selection of the required properties must be made in the configuration files. Advantages of the method and the inventive digital
  • Transmission system is the rapid updating of important data, achieved by a suitable telegram structure, at the same time maximum flexibility, achieved by structuring the data in objects. This makes almost any scalability possible.
  • the object structure is an improved
  • Circuit breaker which communicates with an external device, such as a display.
  • the external device will usually send relatively few data.
  • T, D in the data segments 3, 5 is passed to the switch.
  • the switching device sends the telegrams labeled 100, 101, 102, etc., each increment representing a new cycle. Accordingly, the telegrams sent by the external device are labeled 200, 201, 202, etc.
  • the data segments 1 to 7 are designated by way of example only on some telegrams.
  • the power switch sends only two objects, namely current I and voltage U, represented by the corresponding labeling of the data fields 3, 5. Since all the data are transmitted in one cycle, all telegrams 100, 101, 102 look identical , with the exception of the continuous
  • C Telegram number in the identification segment 1 and the checksum in the checksum segment 6, here denoted by C, respectively.
  • the transmitted values for the current I and the voltage U can also change from cycle to cycle.
  • the status data is denoted by S and is transmitted in the status data segment 2 every cycle.
  • a zero value 00 is sent in each case, which means that no acyclic data is retrieved or transmitted.
  • FIG. 7 shows a case example corresponding to FIG. 6, but with a higher data volume.
  • the circuit breaker sends five objects, namely, current I, voltage U, power P, power E and temperature H. Thus, not all data can be transmitted in one cycle. These are divided into the data segments 3, 5 of several telegrams 100, 101, 102 and then repeat from the object in the second data segment 5 in telegram 102, ie in the third cycle.
  • a zero value 00 is sent in each case, which means that no acyclic data is retrieved or transmitted.
  • FIG. 8 shows a case example corresponding to FIG. 7, that is to say with increased data volume, wherein an acyclic data request is additionally made to the power switch.
  • the external device sends in the second telegram 201 in the notice segment 4, the data request REQ, for example, after the type code X of the switching device, which this in the third cycle with the
  • Telegram 102 answered by instead of the actually due current values I, the type code X is written in the second data field 5 and a response identifier RES is set in the notice segment 4. As a result, the transmission of the currents I to the first data object in the first data segment 3 shifts in the fourth
  • the second data segment 5 of this telegram would be used for this purpose.

Landscapes

  • Engineering & Computer Science (AREA)
  • Computer Networks & Wireless Communication (AREA)
  • Signal Processing (AREA)
  • Computer Security & Cryptography (AREA)
  • Communication Control (AREA)
  • Computer And Data Communications (AREA)

Abstract

L'invention concerne un procédé de transmission de données au sein d'un système de transmission numérique comportant au moins deux dispositifs utilisateurs, lesdits au moins deux dispositifs utilisateurs étant reliés par l'intermédiaire d'une liaison de données; un dispositif utilisateur destiné à être utilisé au sein d'un système de transmission numérique comportant au moins un autre dispositif utilisateur, notamment un appareil de commutation et/ou un appareil d'utilisation, de commande ou de mise en réseau; ainsi qu'un système de transmission numérique comportant au moins deux dispositifs utilisateurs.
EP12784031.2A 2011-11-15 2012-11-14 Dispositif utilisateur destiné à être utilisé dans un système de transmission numérique, système de transmission numérique et procédé de transmission de données. Withdrawn EP2781067A1 (fr)

Priority Applications (1)

Application Number Priority Date Filing Date Title
EP12784031.2A EP2781067A1 (fr) 2011-11-15 2012-11-14 Dispositif utilisateur destiné à être utilisé dans un système de transmission numérique, système de transmission numérique et procédé de transmission de données.

Applications Claiming Priority (3)

Application Number Priority Date Filing Date Title
EP11189130.5A EP2595351A1 (fr) 2011-11-15 2011-11-15 Dispositif destiné à l'utilisation dans un système de transmission numérique, système de transmission numérique et procédé de transmission de données
PCT/EP2012/072649 WO2013072384A1 (fr) 2011-11-15 2012-11-14 Dispositif utilisateur destiné à être utilisé dans un système de transmission numérique, système de transmission numérique et procédé de transmission de données.
EP12784031.2A EP2781067A1 (fr) 2011-11-15 2012-11-14 Dispositif utilisateur destiné à être utilisé dans un système de transmission numérique, système de transmission numérique et procédé de transmission de données.

Publications (1)

Publication Number Publication Date
EP2781067A1 true EP2781067A1 (fr) 2014-09-24

Family

ID=47148845

Family Applications (2)

Application Number Title Priority Date Filing Date
EP11189130.5A Withdrawn EP2595351A1 (fr) 2011-11-15 2011-11-15 Dispositif destiné à l'utilisation dans un système de transmission numérique, système de transmission numérique et procédé de transmission de données
EP12784031.2A Withdrawn EP2781067A1 (fr) 2011-11-15 2012-11-14 Dispositif utilisateur destiné à être utilisé dans un système de transmission numérique, système de transmission numérique et procédé de transmission de données.

Family Applications Before (1)

Application Number Title Priority Date Filing Date
EP11189130.5A Withdrawn EP2595351A1 (fr) 2011-11-15 2011-11-15 Dispositif destiné à l'utilisation dans un système de transmission numérique, système de transmission numérique et procédé de transmission de données

Country Status (5)

Country Link
US (1) US20140344465A1 (fr)
EP (2) EP2595351A1 (fr)
CN (1) CN103959725A (fr)
CA (1) CA2855571A1 (fr)
WO (1) WO2013072384A1 (fr)

Citations (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US6490705B1 (en) * 1998-10-22 2002-12-03 Lucent Technologies Inc. Method and apparatus for receiving MPEG video over the internet

Family Cites Families (13)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US20040194101A1 (en) * 1997-08-21 2004-09-30 Glanzer David A. Flexible function blocks
US5978850A (en) * 1997-07-02 1999-11-02 National Instruments Corporation System and method for accessing parameters in a fieldbus network using a tag parameters interface
WO2000046683A2 (fr) * 1999-02-08 2000-08-10 Sabre Inc. Dispositif et procede pour la conversion de donnees dans un reseau informatique
US6438135B1 (en) * 1999-10-21 2002-08-20 Advanced Micro Devices, Inc. Dynamic weighted round robin queuing
DE10339497A1 (de) * 2003-08-27 2005-03-31 Siemens Ag Verfahren zur Übertragung von Daten in einem Datennetz
US8060668B2 (en) * 2004-09-08 2011-11-15 Fisher-Rosemount Systems, Inc. Low latency data packet reception and processing
US7596653B2 (en) 2004-11-08 2009-09-29 Intel Corporation Technique for broadcasting messages on a point-to-point interconnect
US20060268855A1 (en) * 2005-05-31 2006-11-30 Caterpillar Inc. Communication apparatus for real-time embedded control
US7693138B2 (en) * 2005-07-18 2010-04-06 Broadcom Corporation Method and system for transparent TCP offload with best effort direct placement of incoming traffic
DE102006004633A1 (de) * 2006-01-31 2007-08-16 Phoenix Contact Gmbh & Co. Kg Verteiltes Automatisierungssystem
DE102008024668A1 (de) * 2007-05-24 2008-11-27 ABB Inc., Norwalk Inventarmonitor für Feldbuseinrichtungen
JP5115101B2 (ja) * 2007-08-30 2013-01-09 横河電機株式会社 フィールド装置及びフィールドバスコントローラ
US8601190B2 (en) * 2011-06-24 2013-12-03 Teco-Westinghouse Motor Company Providing multiple communication protocols for a control system having a master controller and a slave controller

Patent Citations (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US6490705B1 (en) * 1998-10-22 2002-12-03 Lucent Technologies Inc. Method and apparatus for receiving MPEG video over the internet

Also Published As

Publication number Publication date
WO2013072384A1 (fr) 2013-05-23
CA2855571A1 (fr) 2013-05-23
EP2595351A1 (fr) 2013-05-22
CN103959725A (zh) 2014-07-30
US20140344465A1 (en) 2014-11-20

Similar Documents

Publication Publication Date Title
DE10049504B4 (de) Verfahren und System zur tranparenten Unterstützung von entfernten Eingabe-/Ausgabeeinrichtungen in einem Prozeßsteuersystem
DE3854361T2 (de) Programmierbare Protokollvorrichtung.
EP3679691B1 (fr) Procédé de transmission de données et réseau de communication
EP1430369B1 (fr) Acces dynamique a des ressources d'automatisation
WO2002043336A9 (fr) Systeme et procede de transmission parallele de donnees critiques en temps reel et de donnees non critiques en temps reel sur des reseaux de donnees commutables, notamment ethernet
DE10049049A1 (de) System und Verfahren zur Konfiguration einer Prozeßsteuerung zur Verwendung mit einem Profibus-Einrichtungsnetzwerk
EP3627800A1 (fr) Communication publication/abonnement de données de commande de machines
WO2003067853A2 (fr) Systeme et procede pour analyser un reseau et/ou produire la topologie d'un reseau
DE102014001462B4 (de) Feldbusmodul, Maschinensteuerung und Verfahren zur Parametrierung eines, insbesondere sicherheitsgerichteten, Feldbusmoduls
EP2733910B1 (fr) Système bus, procédé de fonctionnement d'un système bus et système fluidique doté d'un système bus
EP2466406B1 (fr) Procédé de génération automatique de groupes de "dynamic frame packing"
EP2456124A1 (fr) Ingénierie d'interface de capteur
EP3632056B1 (fr) Intitialisation d'un bus local
WO2003028279A2 (fr) Messages de remplacement pour detecter et eviter des erreurs lors de la transmission de donnees critiques en temps reel
WO2002075557A1 (fr) Procede de communication pour realiser des canaux d'evenement dans un systeme de communication temporise
EP1690390B1 (fr) Procede de transmission de donnees via un bus de donnees, et systeme et passerelle permettant la mise en oeuvre dudit procede
EP1233318A1 (fr) Composants de software d'un système de commande décentralisé
DE102009041781A1 (de) Bereitstellung anlagenbezogener Betriebsdaten unter Verwendung eines Diagnose-Datenservers als weiteren Feldbusmaster
EP1642207B1 (fr) Attribution d'adresses de station a des abonnes de communication dans un systeme de bus
WO2013072384A1 (fr) Dispositif utilisateur destiné à être utilisé dans un système de transmission numérique, système de transmission numérique et procédé de transmission de données.
WO2007071212A1 (fr) Procede pour faire fonctionner une passerelle
EP4070530B1 (fr) Procédé de transmission cyclique de données entre des abonnés de communication sur un canal de transmission de données et système de transmission de données
EP2455831A1 (fr) Ingénierie d'une communication de données
EP3631630B1 (fr) Traitement distribué de données de processus
DE19818041A9 (de) Verfahren zur Erzeugung einer Oberfläche zum Bedienen und Beobachten von Leitsystemen

Legal Events

Date Code Title Description
PUAI Public reference made under article 153(3) epc to a published international application that has entered the european phase

Free format text: ORIGINAL CODE: 0009012

17P Request for examination filed

Effective date: 20140414

AK Designated contracting states

Kind code of ref document: A1

Designated state(s): AL AT BE BG CH CY CZ DE DK EE ES FI FR GB GR HR HU IE IS IT LI LT LU LV MC MK MT NL NO PL PT RO RS SE SI SK SM TR

DAX Request for extension of the european patent (deleted)
STAA Information on the status of an ep patent application or granted ep patent

Free format text: STATUS: EXAMINATION IS IN PROGRESS

17Q First examination report despatched

Effective date: 20171117

RAP1 Party data changed (applicant data changed or rights of an application transferred)

Owner name: EATON INTELLIGENT POWER LIMITED

GRAP Despatch of communication of intention to grant a patent

Free format text: ORIGINAL CODE: EPIDOSNIGR1

STAA Information on the status of an ep patent application or granted ep patent

Free format text: STATUS: GRANT OF PATENT IS INTENDED

RIC1 Information provided on ipc code assigned before grant

Ipc: H04L 12/801 20130101AFI20190912BHEP

Ipc: H04L 29/08 20060101ALI20190912BHEP

Ipc: H04L 12/861 20130101ALI20190912BHEP

Ipc: H04L 12/851 20130101ALI20190912BHEP

INTG Intention to grant announced

Effective date: 20190927

RIN1 Information on inventor provided before grant (corrected)

Inventor name: JAGUSCH, LOTHAR

STAA Information on the status of an ep patent application or granted ep patent

Free format text: STATUS: THE APPLICATION IS DEEMED TO BE WITHDRAWN

18D Application deemed to be withdrawn

Effective date: 20200208