EP2018603A1 - Procede pour le parametrage d'un appareil de terrain de la technique d'automatisation de processus par reproduction de services acycliques - Google Patents

Procede pour le parametrage d'un appareil de terrain de la technique d'automatisation de processus par reproduction de services acycliques

Info

Publication number
EP2018603A1
EP2018603A1 EP07728071A EP07728071A EP2018603A1 EP 2018603 A1 EP2018603 A1 EP 2018603A1 EP 07728071 A EP07728071 A EP 07728071A EP 07728071 A EP07728071 A EP 07728071A EP 2018603 A1 EP2018603 A1 EP 2018603A1
Authority
EP
European Patent Office
Prior art keywords
field device
address
telegram
telegrams
value
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Withdrawn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
EP07728071A
Other languages
German (de)
English (en)
Inventor
Alain Chomik
Udo Fuchs
Pierre Harnist
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 Flowtec AG
Original Assignee
Endress and Hauser Flowtec AG
Flowtec 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 Flowtec AG, Flowtec AG filed Critical Endress and Hauser Flowtec AG
Publication of EP2018603A1 publication Critical patent/EP2018603A1/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Withdrawn legal-status Critical Current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—Program-control systems
    • G05B19/02—Program-control systems electric
    • G05B19/04—Program control other than numerical control, i.e. in sequence controllers or logic controllers
    • G05B19/042—Program 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
    • G05B2219/23—Pc programming
    • G05B2219/23237—Program execution by message passing
    • 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
    • G05B2219/25101—Detect connected module, load corresponding parameters, variables into module
    • 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
    • G05B2219/25208—Control message, address and command portion
    • 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

  • the invention relates to a method for parameterizing a field device of the process automation technology 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 flowmeters, pressure and temperature measuring devices, etc., which detect the corresponding process variables level, flow, pressure or temperature as sensors.
  • the higher-level units are
  • Control units PLC controls. In the bus system (Profibus PA or DP) these control units function as master class 1. They are responsible for the cyclic data traffic on the bus system.
  • control units with corresponding operating programs eg PDM Fa. Siemens, FieldCare Fa. Endress + Hauser
  • PDM Fa. Siemens, FieldCare Fa. Endress + Hauser e.g. PDM Fa. Siemens, FieldCare Fa. Endress + Hauser
  • Control units of the older generation that do not have acyclic services. Also in future applications should often still for reasons of reliability
  • Control units of the older generation are used.
  • the older control units would have to be replaced with new control units. For this purpose, a shutdown of the system and thus an interruption of
  • the object of the invention is therefore to provide a method for parameterizing a
  • FIG. 1 shows a small Profibus network with three field devices F1, F2, F3, FIG. one
  • an overfill protection is indicated in a liquid tank.
  • the field device Fl measures the level in a container.
  • the field device F2 is a
  • Valve and regulates the drainage of liquid from the container. Furthermore, it is still as
  • Level switch the field device F3 provided which the maximum level in
  • the control unit SPS is a Profibus master.
  • the field devices Fl, F2, F3 are Profibus slaves.
  • control unit PLC The communication between the control unit PLC and the field devices Fl, F2, F3 is carried out according to the known Profibus standards.
  • a Profibus state machine for the field device Fl is shown schematically. After switching on the power supply (state Power On), the system switches to the "Waiting for parameterization” state (Wait Param) After successful parameterization, the system switches to the "Waiting for configuration” state (Wait Cfg). After successful configuration, the state “data exchange” (Data Exch) is reached.
  • the function blocks are, for example, an "analog input block” (AI block), a “totalizer block” (TOT block) or other manufacturer-specific function blocks. Mass flow, density and temperature of individual field devices The results of the processing are provided to the class 1 master via AI blocks (analog input) as 'input' data.
  • AI block an "analog input block”
  • TOT block totalizer block
  • Mass flow, density and temperature of individual field devices are provided to the class 1 master via AI blocks (analog input) as 'input' data.
  • the master class 1 can also write data in a field device with the help of cyclic data traffic. This is 'output' data. These are processed in the function blocks, Analog Output (AO Block) or Digital Output (DO Block) in the field device. It can be any process variable that serves as a reference in the field device. With the aid of a DO block, defined actions can be triggered in the device.
  • AO Block Analog Output
  • DO Block Digital Output
  • Newer field devices Endress + Hauser Flowtec AG always have an AO block and DO block.
  • acyclic services (master class 1 or 2) all parameters of a field device can be addressed.
  • the parameters are specific addresses assigned.
  • an address consists of the slot index.
  • the essential idea of the invention is to use an AO block and a DO block in a field device to simulate the acyclic write access.
  • the AO block all necessary information such.
  • the respective services can be triggered via the DO block.
  • the inventive method based on several requests, which sends the master to the slave, explained in more detail.
  • the request contains an AO and a DO area
  • Step 1 First of all, all addressing information is packaged in the AO block. This information includes slot, index and number of bytes to be written. In addition, the number of necessary telegrams is entered in 'StepMax'. As soon as a valid control sequence has been received in the DO, the action is triggered in the field device.
  • Step 2 As of step 2, the data value to be written is transferred to the field device.
  • the 5th byte of the telegram contains the telegram counter, StepCounter ', which serves for telegram identification. This rules out that a telegram sent multiple times is reprocessed in the field device. As soon as a new valid control sequence has been received, the telegram is processed.
  • Step 3 to These steps are required as soon as the value to be written is greater than Step n: than 4 bytes. Then the writing of the value must be distributed over several telegrams. The process is carried out according to the scheme described in step 2.
  • process data are read from the field device or written to the field device in the cyclic data traffic. Both accesses occur without an address specification for the corresponding data values.
  • the address value (slot / index) of the parameter to be changed is packed into a telegram of the cyclic data traffic (eg AO block) with which a process data is written.
  • This telegram may contain additional information.
  • the telegram to the field device z. B. Fl sent and described the AO block with the appropriate values.
  • the address value of the parameter value to be changed can be determined in the field device F1.
  • the parameter value in the corresponding AO block is transmitted to the field device F1.
  • the necessary information (address value / new parameter value) can thus be obtained from these two telegrams.
  • the new parameter value is sent to the corresponding address written.
  • Address value and parameter value can also be transmitted in separate telegrams (eg if more than 4 bytes are to be transmitted).
  • cyclic telegrams it is also possible to call services in the field device F1. This is z. B. via the DO block possible.
  • a change by 1 means z. B.
  • Field device simulated. In cyclic data exchange, these blocks can be described with specific information and control sequences. Predefined control sequences in the DO trigger the service defined in the AO in the field device. As a result, also master class 1 of the older generation values on one
  • the Usr_Prm_Data have the following structure. write
  • the section Usr_Prm_Data of the respective services encodes the necessary information necessary for changing parameters.
  • the first section of the telegram contains a control sequence, which represents an additional security mechanism. Then the command to be executed takes place in another section. Currently only the write command is supported.
  • the following section contains specific information about the parameter, the to be changed, such as slot / index, number of bytes to be written and the data to be written. After the complete receipt of one of these telegrams, the corresponding
  • Parameter values are changed in field devices. With the method according to the invention, it is possible regardless of the current
  • control unit is conventional and does not need to have any acyclic services.

Landscapes

  • Physics & Mathematics (AREA)
  • General Physics & Mathematics (AREA)
  • Engineering & Computer Science (AREA)
  • Automation & Control Theory (AREA)
  • Communication Control (AREA)
  • Programmable Controllers (AREA)
  • Selective Calling Equipment (AREA)

Abstract

La présente invention concerne un procédé pour le paramétrage d'un appareil de terrain de la technique d'automatisation de processus, appareil relié par un système de bus à une unité de commande, procédé selon lequel des valeurs de paramètre sont intégrées dans des télégrammes des services cycliques et sont envoyées à l'appareil de terrain concerné dont les valeurs de paramètres doivent être modifiées. Pour la modification de valeurs de paramètres, des services acycliques ne sont pas nécessaires mais l'adresse de la valeur de paramètre (Slot / Index) est communiquée à l'intérieur du bloc de fonction (bloc AO et bloc DO) dans un télégramme à l'appareil de terrain.
EP07728071A 2006-04-21 2007-04-13 Procede pour le parametrage d'un appareil de terrain de la technique d'automatisation de processus par reproduction de services acycliques Withdrawn EP2018603A1 (fr)

Applications Claiming Priority (3)

Application Number Priority Date Filing Date Title
DE102006019192 2006-04-21
DE102006054146A DE102006054146A1 (de) 2006-04-21 2006-11-15 Verfahren zum Parametrieren eines Feldgerätes der Prozessautomatisierungstechnik
PCT/EP2007/053604 WO2007122117A1 (fr) 2006-04-21 2007-04-13 Procede pour le parametrage d'un appareil de terrain de la technique d'automatisation de processus par reproduction de services acycliques

Publications (1)

Publication Number Publication Date
EP2018603A1 true EP2018603A1 (fr) 2009-01-28

Family

ID=38542481

Family Applications (1)

Application Number Title Priority Date Filing Date
EP07728071A Withdrawn EP2018603A1 (fr) 2006-04-21 2007-04-13 Procede pour le parametrage d'un appareil de terrain de la technique d'automatisation de processus par reproduction de services acycliques

Country Status (4)

Country Link
US (1) US8614620B2 (fr)
EP (1) EP2018603A1 (fr)
DE (1) DE102006054146A1 (fr)
WO (1) WO2007122117A1 (fr)

Families Citing this family (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE102008007138A1 (de) * 2008-01-31 2009-08-13 Phoenix Contact Gmbh & Co. Kg Verfahren zur Parametrierung einer Automatisierungsvorrichtung
DE102008064886B3 (de) 2008-01-31 2019-05-29 Phoenix Contact Gmbh & Co. Kg Verfahren zur Parametrierung einer Automatisierungsvorrichtung
DE102008020507B4 (de) * 2008-04-23 2016-08-04 Endress + Hauser Process Solutions Ag Verfahren zum Übersenden eines Telegramms
DE102011089622A1 (de) * 2011-12-22 2013-06-27 Endress + Hauser Process Solutions Ag Verfahren zur Parametrierung eines Feldgerätes der Prozessautomatisierungstechnik
DE102018104171A1 (de) * 2018-02-23 2019-08-29 Weidmüller Interface GmbH & Co. KG Verfahren zum Übertragen von Konfigurationsdaten gemäß dem IO-Link Protokoll von einer Automatisierungssteuerung an mindestens ein IO-Link Gerät
DE102019123146B4 (de) * 2019-08-29 2023-06-15 WAGO Verwaltungsgesellschaft mit beschränkter Haftung Diagnose- und/oder parameterdaten-übertragung zwischen steuermodul und eingabe/ausgabe-modul
EP4288841A1 (fr) * 2021-02-03 2023-12-13 VEGA Grieshaber KG Procédé de fonctionnement d'un dispositif de terrain, et système de fonctionnement de dispositifs de terrain

Family Cites Families (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE10037360A1 (de) * 2000-07-31 2002-03-14 Siemens Ag Verfahren zum Betreiben eines Teilnehmers in einem Netzwerk sowie Teilnehmer für ein Netzwerk und Speichermedium mit einem Programm für einen derartigen Teilnehmer
EP1199846A1 (fr) 2000-10-17 2002-04-24 Siemens Aktiengesellschaft Procédé de configuration automatique d'un appareil dans un bus de secteur
DE10163342A1 (de) * 2001-12-21 2003-07-10 Elektro Beckhoff Gmbh Unterneh Datenübertragungsverfahren, serielles Bussystem und Anschalteinheit für einen passiven Busteilnehmer

Non-Patent Citations (1)

* Cited by examiner, † Cited by third party
Title
See references of WO2007122117A1 *

Also Published As

Publication number Publication date
DE102006054146A1 (de) 2007-10-31
US8614620B2 (en) 2013-12-24
WO2007122117A1 (fr) 2007-11-01
US20090309692A1 (en) 2009-12-17

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