EP1563351A2 - Procede de diagnostic d'appareils de terrain en technique d'automatisation de processus - Google Patents

Procede de diagnostic d'appareils de terrain en technique d'automatisation de processus

Info

Publication number
EP1563351A2
EP1563351A2 EP03789026A EP03789026A EP1563351A2 EP 1563351 A2 EP1563351 A2 EP 1563351A2 EP 03789026 A EP03789026 A EP 03789026A EP 03789026 A EP03789026 A EP 03789026A EP 1563351 A2 EP1563351 A2 EP 1563351A2
Authority
EP
European Patent Office
Prior art keywords
software agent
field device
field devices
field
independently
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
EP03789026A
Other languages
German (de)
English (en)
Inventor
Eugenio Ferreira Da Silva Neto
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 EP1563351A2 publication Critical patent/EP1563351A2/fr
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—Program-control systems
    • G05B19/02—Program-control systems electric
    • G05B19/418—Total factory control, i.e. centrally controlling a plurality of machines, e.g. direct or distributed numerical control [DNC], flexible manufacturing systems [FMS], integrated manufacturing systems [IMS] or computer integrated manufacturing [CIM]
    • G05B19/4184—Total factory control, i.e. centrally controlling a plurality of machines, e.g. direct or distributed numerical control [DNC], flexible manufacturing systems [FMS], integrated manufacturing systems [IMS] or computer integrated manufacturing [CIM] characterised by fault tolerance, reliability of production system
    • 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
    • G05B2219/31—From computer integrated manufacturing till monitoring
    • G05B2219/31161—Java programcode or simular active agents, programs, applets
    • 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
    • G05B2219/31—From computer integrated manufacturing till monitoring
    • G05B2219/31211—Communicate diagnostic data from intelligent field device controller to central
    • Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
    • Y02P—CLIMATE CHANGE MITIGATION TECHNOLOGIES IN THE PRODUCTION OR PROCESSING OF GOODS
    • Y02P90/00—Enabling technologies with a potential contribution to greenhouse gas [GHG] emissions mitigation
    • Y02P90/02—Total factory control, e.g. smart factories, flexible manufacturing systems [FMS] or integrated manufacturing systems [IMS]

Definitions

  • the invention relates to a method for diagnosing field devices of process automation technology according to the preamble of claim 1.
  • Field devices for flow, level, pressure, temperature determination etc. are generally known. They are used to record the corresponding process variables mass, volume, flow, level, pressure, temperature, etc.
  • These field devices each provide measured values that are a measure of the process variable recorded.
  • the measured values are forwarded to a control unit (programmable logic controller PLC, control room or control system).
  • PLC programmable logic controller
  • control room or control system As a rule, the process is controlled from the control unit, where the measured values of the different field devices are evaluated and control signals for actuators are generated based on the evaluation, which thereby influence the process flow (e.g. via valves).
  • the signal transmission between the field devices and the control unit takes place according to the well-known standards for data transmission (HART®, Profibus®, Foundation Fieldbus® or CAN Bus® etc.).
  • intelligent field devices In addition to the pure measured values, intelligent field devices also provide diagnostic information and maintenance information.
  • Program code is stored and this after a request by the Control system is running. This program code is only suitable for this or identical field devices.
  • the program code To change the diagnostic functions, the program code must be rewritten and then transferred to the memory of the relevant field device at great expense.
  • the program code stored in the field device is therefore static and works according to special, defined rules.
  • the object of the invention is to provide a method for diagnosing field devices of process automation technology, which is not only suitable for a specific type of field device and which is very flexible, inexpensive and easy to carry out.
  • the essential idea of the invention is to use a software agent for diagnosing field devices of process automation technology, which is suitable for different field devices and independently monitors the corresponding field device in order, for. B. Find malfunctions.
  • FIG. 1 shows a schematic representation of a network of process automation technology
  • Fig. 2 shows a schematic representation of the hardware of a field device.
  • 1 shows a network of process automation technology in more detail.
  • Several workstations workstations WS1, WS2) and several gateways G1, G2 are connected to a data bus D1.
  • the gateway G1 is connected to a fieldbus segment SM1.
  • the fieldbus segment SM1 essentially consists of several field devices F1, F2, F3, F4, F5.
  • the gateway G2 is connected to a fieldbus segment SM2, which essentially consists of the field devices F5, F6, F7 and F8.
  • the gateway also has several I / O modules.
  • the field devices F can be configured and parameterized from the workstations WS1, WS2. Appropriate operating tools are installed on the workstations WS1 and WS2.
  • the data bus D1 in the control level E1 works according to the Ethernet standard (eg high-speed ethemet standard HSE).
  • the fieldbuses at the field level (fieldbus segments SM1,
  • a sensor transducer S is connected to a microprocessor MP via an analog-digital converter AD.
  • the microprocessor MP is connected to the fieldbus FB via a fieldbus interface FS.
  • the microprocessor MP is connected to two memories, a RAM and an EEPROM memory and a display control unit AB.
  • Control programs that determine the functionality of the field device are stored in the EEPROM memory of the field device.
  • Control programs is a software agent.
  • Software agents are well known, they work autonomously, i.e. they act independently within certain limits, they work proactively and actively pursue one or more goals.
  • the software agent monitors different data in the field device and automatically searches for malfunctions. If it detects a malfunction, it reports this to the control system.
  • the software agent is also able to remedy malfunctions in the field device independently.
  • field devices from different manufacturers can be used on a specific fieldbus. Certain functions and associated parameters are combined in a function block. Examples of function blocks are analog input, digital output, PID controller etc.
  • the software agent independently creates links to the function blocks in the field device or accesses the links between the function blocks.
  • the software agent can restore broken connections (links) that are necessary between the function blocks for data exchange, e.g. B. if a field device has been replaced by another.
  • a major advantage of such a software agent is that it can be used for different field devices.
  • the software agent can also monitor and analyze correlated data from different field devices and generate a corresponding avoidance in the event of an error.
  • the software agent recognizes e.g. B. whether a field device needs to be recalibrated in the near future because certain deviations from setpoints have occurred.
  • the software agent can also analyze the traffic on the data bus and, if necessary, identify malfunctions.
  • the software agent is not only suitable for performing diagnostic functions, but is also suitable for predictive maintenance.
  • the software agent can also serve as a filter for information and thus perform asset management functions.
  • a large amount of information is generated in the field device, e.g. Manufacturing settings, calibration and maintenance data, day and serial no. Device and version identification, location, application and process data, manufacturer, customer and factory profile, order code, last maintenance, material information, performance index etc.
  • the software agent collects this information and stores it in the field device or in another Component of the network. This information is therefore available regardless of the system. No specific tools are required to query them.
  • the software agent can also carry out configuration or parameterization tasks.
  • the essential idea of the invention is to install a software agent in a field device or in another unit connected to the data bus, which software agent independently performs various functions.

Landscapes

  • Engineering & Computer Science (AREA)
  • General Engineering & Computer Science (AREA)
  • Manufacturing & Machinery (AREA)
  • Quality & Reliability (AREA)
  • Physics & Mathematics (AREA)
  • General Physics & Mathematics (AREA)
  • Automation & Control Theory (AREA)
  • Testing And Monitoring For Control Systems (AREA)
  • Measurement Of The Respiration, Hearing Ability, Form, And Blood Characteristics Of Living Organisms (AREA)
  • Measuring And Recording Apparatus For Diagnosis (AREA)

Abstract

L'invention concerne un procédé de diagnostic d'appareils de terrain au moyen d'un agent logiciel recherchant des dysfonctionnements de façon autonome.
EP03789026A 2002-11-12 2003-11-11 Procede de diagnostic d'appareils de terrain en technique d'automatisation de processus Ceased EP1563351A2 (fr)

Applications Claiming Priority (3)

Application Number Priority Date Filing Date Title
DE10252892A DE10252892A1 (de) 2002-11-12 2002-11-12 Verfahren zur Diagnose von Feldgeräten der Prozessautomatisierungsechnik
DE10252892 2002-11-12
PCT/EP2003/012578 WO2004044666A2 (fr) 2002-11-12 2003-11-11 Procede de diagnostic d'appareils de terrain en technique d'automatisation de processus

Publications (1)

Publication Number Publication Date
EP1563351A2 true EP1563351A2 (fr) 2005-08-17

Family

ID=32308533

Family Applications (1)

Application Number Title Priority Date Filing Date
EP03789026A Ceased EP1563351A2 (fr) 2002-11-12 2003-11-11 Procede de diagnostic d'appareils de terrain en technique d'automatisation de processus

Country Status (4)

Country Link
EP (1) EP1563351A2 (fr)
AU (1) AU2003293673A1 (fr)
DE (1) DE10252892A1 (fr)
WO (1) WO2004044666A2 (fr)

Families Citing this family (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE102005021917A1 (de) * 2005-05-12 2006-11-16 Conti Temic Microelectronic Gmbh Elektronisch gesteuerte Baugruppe, elektronisch gesteuertes System mit einer derartigen Baugruppe sowie Verfahren zur Vorbereitung und Montage eines derartigen elektronisch gesteuerten Systems
DE102005063080A1 (de) * 2005-12-29 2007-07-05 Endress + Hauser Process Solutions Ag Verfahren zum Instandhalten einer automatisierungstechnischen Anlage
US8788070B2 (en) 2006-09-26 2014-07-22 Rosemount Inc. Automatic field device service adviser
DE102007027276A1 (de) * 2007-06-11 2008-12-18 Endress + Hauser Gmbh + Co. Kg Feldgerät mit einer Vorrichtung zur Durchführung von Diagnoseverfahren
DE102008056114B3 (de) 2008-11-06 2010-01-28 Trebing & Himstedt Prozessautomation Gmbh & Co. Kg Verfahren und Vorrichtung zur Diagnose von Netzwerken, insbesondere von Feldbussystemen
CN105278574B (zh) * 2015-10-22 2018-08-07 四川航天拓鑫玄武岩实业有限公司 玄武岩拉丝工位调温通讯控制系统及方法
DE102021114324A1 (de) 2021-06-02 2022-12-08 Samson Aktiengesellschaft Verfahren zur Diagnose eines Steuer- und/oder Regelungssystems einer prozesstechnischen Anlage mit wenigstens einem Stellgerät zum Einstellen eines Prozessfluids und Steuer- und/oder Regelungssystem

Family Cites Families (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US5841654A (en) * 1995-10-16 1998-11-24 Smar Research Corporation Windows based network configuration and control method for a digital control system
US5970430A (en) * 1996-10-04 1999-10-19 Fisher Controls International, Inc. Local device and process diagnostics in a process control network having distributed control functions
DE19732046A1 (de) * 1997-07-25 1999-01-28 Abb Patent Gmbh Prozeßdiagnosesystem und Verfahren zur Diagnose von Vorgängen und Zuständen eines technischen Prozesses
US6298454B1 (en) * 1999-02-22 2001-10-02 Fisher-Rosemount Systems, Inc. Diagnostics in a process control system
DE19930660A1 (de) * 1999-07-02 2001-01-11 Siemens Ag Verfahren zur Überwachung oder zur Installation neuer Programmcodes in einer industriellen Anlage

Non-Patent Citations (1)

* Cited by examiner, † Cited by third party
Title
See references of WO2004044666A2 *

Also Published As

Publication number Publication date
WO2004044666A2 (fr) 2004-05-27
DE10252892A1 (de) 2004-06-09
WO2004044666A3 (fr) 2005-01-20
AU2003293673A1 (en) 2004-06-03

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