WO2016087149A1 - Procédé d'écrasement d'une mémoire non volatile d'un appareil de terrain - Google Patents

Procédé d'écrasement d'une mémoire non volatile d'un appareil de terrain Download PDF

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Publication number
WO2016087149A1
WO2016087149A1 PCT/EP2015/075501 EP2015075501W WO2016087149A1 WO 2016087149 A1 WO2016087149 A1 WO 2016087149A1 EP 2015075501 W EP2015075501 W EP 2015075501W WO 2016087149 A1 WO2016087149 A1 WO 2016087149A1
Authority
WO
WIPO (PCT)
Prior art keywords
application
field device
volatile memory
firmware
specific firmware
Prior art date
Application number
PCT/EP2015/075501
Other languages
German (de)
English (en)
Inventor
Immanuel Vetter
Niels DONKERS
Endre LÀZÁR
Original Assignee
Endress+Hauser Gmbh+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 Endress+Hauser Gmbh+Co. Kg filed Critical Endress+Hauser Gmbh+Co. Kg
Publication of WO2016087149A1 publication Critical patent/WO2016087149A1/fr

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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
    • G05B19/0426—Programming the control sequence
    • 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
    • G05B2219/25064—Update component configuration to optimize program execution
    • 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
    • G05B2219/25109—Eeprom loaded from external device with configuration data
    • 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
    • G05B2219/25112—Using firmware stored in processor
    • 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
    • G05B2219/32—Operator till task planning
    • G05B2219/32144—Define device description using dd files

Definitions

  • the invention relates to a method for overwriting a non-volatile memory of a field device.
  • Sensors for measuring process variables include fill level gauges, flowmeters, pressure and temperature measuring devices, pH redox potential measuring devices, conductivity meters, etc., which record the respective process variables level, flow, pressure, temperature, pH or conductivity.
  • Actuators, such as valves or pumps, are used to influence process variables
  • Field devices are in principle all devices that are used close to the process and the
  • field devices are thus understood to mean, in particular, also remote I / Os, radio adapters or in general devices which are arranged on the field level.
  • a variety of such field devices is manufactured and sold by the company Endress + Hauser.
  • communication between at least one higher-level unit and the field devices generally takes place via a bus system, such as Profibus® PA, Foundation Fieldbus® or HART®.
  • the bus systems can be designed both wired and wireless.
  • the higher-level unit is used for process control, process visualization, process monitoring and commissioning and operation of the field devices and is also referred to as a configuration / management system. Programs based on parent
  • Units run independently are for example the operating tool or operating program FieldCare the company group Endress + Hauser, the Pactware operating tool, Fisher-Rosemount AMS operating tool or Siemens PDM operating tool.
  • Operator tools integrated into control system applications include Siemens' PCS7, ABB's Symphony, and Emerson's Delta V.
  • the term 'operation of field devices' in particular the configuration and parameterization of field devices, but also the diagnosis for the early detection of errors to the
  • Such field devices in this case include electronics with a computing unit, for example.
  • a microprocessor on which or runs a firmware that is used for controlling and regulating the field device. This firmware is created by the field device manufacturers and corresponding to the field device
  • the firmware includes all possible functionalities of the field device, completely independent of what application-specific tasks are later considered with the field device.
  • the field device is thus supplied by the field device manufacturers with a firmware that is completely overloaded for later use.
  • the operating tools or operating devices or also operating programs already described above are used. Since not all field devices offer the same functionality, especially with field devices from different field device manufacturers, these diverge
  • the device description file can be stored in the field device or on an external data medium.
  • An operator panel extracts the data for configuration or parameterization of the
  • Field device required information from the device description file. This makes it possible to use different field devices from different manufacturers across platforms with a single operator panel.
  • FF Fieldbus Foundation
  • HAF HART Communication Foundation
  • PNO Profibus user organization
  • EDDL Electronic Device Description Language
  • the measured values must already be processed in the field device by means of extensive functions. This requirement is essentially determined by a full, i. the totality of
  • the object is achieved by a method for overwriting a non-volatile memory of a field device with a
  • application specific firmware is capable of a
  • Use case firmware created. For this purpose, a device description file describing the field device with regard to all its functionalities is used, and the functionalities required for the specific application or use case are filtered out and then a
  • firmware generally refers to a program or software that has functions for controlling and regulating the
  • Field device contains.
  • the firmware in contrast to the known from the prior art modular software strategies that describe a full firmware, the firmware according to the teaching of the invention by adapting to a reduced specific application or application. This offers the advantage that the one needed for the application-specific firmware
  • Method is provided that a check of the overwriting of the application-specific firmware in the non-volatile memory of the field device is performed.
  • a smartphone or a portable computer, in particular a tablet is used as the operating device.
  • Automation system is performed. In particular, it is provided that at the time of commissioning and before overwriting the
  • commissioning refers to the first intended use of the field device. This typically takes place when integrating the field device in an existing automation system.
  • Device description file is performed with the device description file or device description files on the server and in the event that on the server a new or more recent
  • the application-specific firmware is generated via a linker which compiles object files which were generated via a compiler.
  • Fig. 2 a schematic representation of the invention.
  • Figure 1 shows a schematic representation of the prior art.
  • the basic structure of field devices 2 is essentially always the same. These include a sensor and / or actuator unit 8 for measuring or setting a process variable, an I / O unit 9 for connecting the field device to a field bus, an input / output unit 10, for example a touch screen, for obtaining information from the fieldbus Field devices 2 read or enter and a main electronics 1 1, which produces the necessary electrical connections between the individual units and performs the necessary control and / or regulation of the individual units.
  • the main electronics 1 1 a Computing unit 12 on which a firmware is executed, which was previously written in a non-volatile memory of the field device.
  • This full-scale firmware 3a which maps all functionalities of the field device 2, is in turn written by the field device manufacturer into the non-volatile memory 1 of the field device 2. Upon delivery of the field device 2 are thus all possible functionalities, ie the entirety of the functionalities 6 of the field device 2 fixed. In other words, the set of field device 2 available
  • Flow meter for an application-specific task measures the mass and density, whereas the temperature is not measured.
  • the full firmware 3a in which all three functionalities are implemented, is overloaded. In FIG. 1, this assignment of functionality and parameters or
  • Functionality a has the parameters a1 and a2.
  • the functionality a "measure temperature" represent and on the parameter a1, this can be activated, whereas via the parameter a2 whose unit, for example. Kelvin or degrees Celsius, is set.
  • Fig. 2 shows a schematic representation of the invention.
  • the essential structure of the field device is the same as previously described.
  • the firmware differs in the non-volatile memory is different. This is adapted to an application-specific task.
  • the method according to the invention for writing the application-specific firmware into the non-volatile memory 1 of the field device 2 comprises the following steps: a. Prepare an operating device 4 for overwriting the non-volatile memory 1. For this purpose, on the HMI device 4 a
  • Device description file 5 made available, for example, in which this is downloaded by means of the operating device 4 from a server on which the latest device description files are provided by the field device manufacturer. It is also conceivable, however, that these are manually, i. from an operator on the HMI device 4 is played.
  • the device description file 5 includes, as described above, all device functions and thus the entirety of the functionalities 6 of the respective field device 2, which were known or possible at the time of creation of the device description file 5 for the corresponding field device 2. Since the hardware of the various field devices or field device types normally differs, there are also different ones for each field device or field device type
  • Device description files 5 Accordingly, it is available make sure that the device description file 5 on the HMI device 4 to ensure that a matching to the field device 2
  • Device description file 5 is made available. This can take place either manually, ie in which the operator based on his knowledge of the field device 2, the corresponding
  • Device description file 5 makes available or in which an automatic detection, for example. By electronic readout of an identification code of the field device is performed. This is
  • Identification code can, for example, represent the serial number of the field device 2, and is typically stored on a so-called "Electronic Name Plate” (ENP for short) of the field device 2.
  • ENP also represents a non-volatile memory, in which for the corresponding field device 2 b.
  • an application-specific firmware 3b is created on the basis of the previously selected or derived subset of functionalities 7. In this case, according to the selection made previously, the application-specific firmware 3b has only a part of the functionalities in the device description file 5
  • the application-specific firmware 3b is written into the non-volatile memory 1 of the field device 2, so that the field device 2 is able to perform an application-specific task on the basis of the application-specific firmware 3b written in the non-volatile memory 1.
  • a check of the overwriting of the application-specific firmware in the non-volatile memory of the field device 2 is performed.
  • this adaptation of firmware 2 will be on-site, i. during commissioning of the field device in an automation system instead.
  • the field device points to performing the
  • inventive method still no firmware on or no firmware has been written to the non-volatile memory.
  • a portable computer or a smartphone is used as the operating device 4.
  • Examples of such a portable computer is a tablet or even a laptop.
  • Field device it is also conceivable that the method also in advance, i. before the field device 2 is integrated into the automation system, is carried out and / or that a part of the method step is performed before the actual startup of the field device 2 and a part thereafter.
  • Checking and / or updating the application-specific firmware 3b is performed. For this purpose, after establishing a connection to the field device 2 by means of the control unit 4, an information on the application-specific firmware 3b, for example. A version number, read from the field devices 2. This information may, for example, also be stored in the ENP or written in the application-specific firmware 3b be easy to read out. Based on this information, an association of the device description file 5 used to create the application-specific firmware 3b can be performed. Subsequently, via the operating device 4, a check used to create the application-specific firmware 3b
  • Device description files 5 and in the event that the server is a new or more recent device description file, a new application-specific firmware based on the new or
  • Object files created by a compiler are generated.
  • As a linker understood a computer program that brings together individual program module to an executable program.

Abstract

L'invention concerne un procédé d'écrasement d'une mémoire non volatile d'un appareil de terrain avec un microprogramme spécifique à une application. Le procédé comprend les étapes suivantes : • a. la préparation d'un appareil de commande pour l'écrasement de la mémoire non volatile, un fichier de description d'appareil (Device Description), qui décrit l'intégralité des fonctions de l'appareil de terrain, étant rendu disponible sur l'appareil de commande ; • b. la déduction/la sélection d'un sous-ensemble de fonctions parmi l'intégralité des fonctions disponibles pour l'appareil de terrain qui sont décrites dans le fichier de description d'appareil ; • c. la création d'un microprogramme spécifique à l'application à l'aide du sous-ensemble des fonctions ; • d. l'écrasement du microprogramme spécifique à l'application dans la mémoire non volatile de l'appareil de terrain de sorte que, à l'aide du microprogramme spécifique à l'application écrit dans la mémoire non volatile, l'appareil de terrain est en mesure d'exécuter une tâche spécifique à l'application.
PCT/EP2015/075501 2014-12-04 2015-11-03 Procédé d'écrasement d'une mémoire non volatile d'un appareil de terrain WO2016087149A1 (fr)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
DE102014117905.6A DE102014117905A1 (de) 2014-12-04 2014-12-04 Verfahren zum Überschreiben eines nicht-flüchtigen Speichers eines Feldgerätes
DE102014117905.6 2014-12-04

Publications (1)

Publication Number Publication Date
WO2016087149A1 true WO2016087149A1 (fr) 2016-06-09

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Family Applications (1)

Application Number Title Priority Date Filing Date
PCT/EP2015/075501 WO2016087149A1 (fr) 2014-12-04 2015-11-03 Procédé d'écrasement d'une mémoire non volatile d'un appareil de terrain

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DE (1) DE102014117905A1 (fr)
WO (1) WO2016087149A1 (fr)

Families Citing this family (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP3339990A1 (fr) * 2016-12-20 2018-06-27 Schneider Electric Industries SAS Dispositif de terrain auto-adaptatif
DE102017112972A1 (de) 2017-06-13 2018-12-13 Endress+Hauser SE+Co. KG Feldgerät der Automatisierungstechnik
EP3582032B1 (fr) * 2018-06-12 2022-07-06 VEGA Grieshaber KG Dispositif de terrain à temps d'arrêt réduit lors de la mise à jour du micrologiciel

Citations (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
WO2004013712A1 (fr) * 2002-07-26 2004-02-12 Endress + Hauser Gmbh + Co. Kg Procede d'actualisation de descriptions d'appareils pour des appareils de terrain employes dans l'automatisation de processus
US20050137719A1 (en) * 2003-12-09 2005-06-23 Yoji Saito Memory updating system for field device
WO2008031489A1 (fr) * 2006-09-15 2008-03-20 Abb Patent Gmbh Système et procédé de fonctionnalisation en fonction du besoin de dispositifs de commande/régulation

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Publication number Priority date Publication date Assignee Title
US7019778B1 (en) * 1999-06-02 2006-03-28 Eastman Kodak Company Customizing a digital camera
US20060015844A1 (en) * 2003-07-30 2006-01-19 Wrd Corporation Automatic hardware and firmware generation for multi-function custom controls
US7822833B2 (en) * 2008-04-30 2010-10-26 Honeywell International Inc. System for creating and validating configurations of offline field devices in a process control system
US8788882B2 (en) * 2012-02-16 2014-07-22 National Instruments Corporation Customizing code modules of software and programmable hardware for a test instrument

Patent Citations (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
WO2004013712A1 (fr) * 2002-07-26 2004-02-12 Endress + Hauser Gmbh + Co. Kg Procede d'actualisation de descriptions d'appareils pour des appareils de terrain employes dans l'automatisation de processus
US20050137719A1 (en) * 2003-12-09 2005-06-23 Yoji Saito Memory updating system for field device
WO2008031489A1 (fr) * 2006-09-15 2008-03-20 Abb Patent Gmbh Système et procédé de fonctionnalisation en fonction du besoin de dispositifs de commande/régulation

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