WO2008012243A1 - Procédé permettant de faire fonctionner un système de bus de terrain dans le contexte de la technique d'automatisation de processus - Google Patents

Procédé permettant de faire fonctionner un système de bus de terrain dans le contexte de la technique d'automatisation de processus Download PDF

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Publication number
WO2008012243A1
WO2008012243A1 PCT/EP2007/057389 EP2007057389W WO2008012243A1 WO 2008012243 A1 WO2008012243 A1 WO 2008012243A1 EP 2007057389 W EP2007057389 W EP 2007057389W WO 2008012243 A1 WO2008012243 A1 WO 2008012243A1
Authority
WO
WIPO (PCT)
Prior art keywords
field device
person
control system
field
identification
Prior art date
Application number
PCT/EP2007/057389
Other languages
German (de)
English (en)
Inventor
Eugenio Ferreira Da Silva Neto
Michael Maneval
Klaus Nunnenmacher
Georg Veith
Vincent De Groot
Original Assignee
Endress+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+Hauser Process Solutions Ag filed Critical Endress+Hauser Process Solutions Ag
Publication of WO2008012243A1 publication Critical patent/WO2008012243A1/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
    • G05B19/0428—Safety, monitoring
    • 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
    • G05B2219/24—Pc safety
    • G05B2219/24159—Several levels of security, passwords
    • 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
    • G05B2219/24—Pc safety
    • G05B2219/24167—Encryption, password, user access privileges
    • 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
    • G05B2219/24—Pc safety
    • G05B2219/24168—Identify connected programmer to allow control, program entry
    • 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
    • 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
    • G05B2219/31121—Fielddevice, field controller, interface connected to fieldbus
    • 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
    • G05B2219/33—Director till display
    • G05B2219/33199—Transponder

Definitions

  • the invention relates to a method for operating a fieldbus system of process automation technology.
  • field devices are often used, which are used for detecting and / or influencing process variables.
  • 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.
  • actuators z To influence process variables are actuators z. As valves affect the flow of a liquid in a pipe section or pumps as the level in a container.
  • field devices in modern automation systems are connected via fieldbus systems (HART, Profibus, Foundation Fieldbus, etc.) to higher-level units (eg, control systems or control units).
  • higher-level units eg, control systems or control units.
  • these higher-level units are used for process control, process visualization, process monitoring and commissioning of the field devices.
  • Field devices are also generally referred to as units which are connected directly to a field bus and serve to communicate with the higher-level units (eg, remote FOs, gateways, linking devices).
  • higher-level units eg, remote FOs, gateways, linking devices.
  • fieldbus systems are integrated into enterprise networks that operate on an Ethernet basis. This makes it possible to access process or field device data from different areas of a company.
  • the company networks can also be connected to public networks, eg. B. connected to the Internet.
  • settings must be changed to field devices in the course of maintenance. For this, a service technician must visit the relevant field device. For accessing functionalities of the field device via the settings, it is normally necessary to enter an authorization code on the field device. This is particularly important in safety-critical applications, since otherwise unauthorized persons could change settings on field devices.
  • This input can either be done directly on the field device or even on an operating tool (laptop, handheld) which is connected to the field device to be operated.
  • control system is located in a control room, from where the entire system is monitored and controlled.
  • the control system has no information about where a service technician is in his check-up just in the plant. For short-term problems in the plant, a service technician can not be used efficiently.
  • the object of the invention is therefore to provide a method for operating a fieldbus system of process automation technology, the above does not have mentioned disadvantages, which in particular allows secure access to field devices.
  • the essential idea of the invention is that a service technician who would like to perform maintenance work on a field device must identify himself via a radio tag by storing person-specific identification data and an authorization code before he gets access to functionalities of the field device ,
  • the functionalities of field devices are structured in different security levels. According to the abilities and training of the person concerned, the functions of the corresponding security level are unlocked for this person.
  • the characteristics of the RFID tag are used in the control system for the identification of electronic documents.
  • Such documents can z.
  • service reports or shift plans can be used to train schedules.
  • FIG. 2 is a block diagram of a field device
  • FIG. 3 flowchart of the method.
  • FIG. 1 shows a fieldbus system FS of the process automation technology in greater detail.
  • a data bus Dl several computer units, (workstations, workstations) WSL, WS 2, connected. These computer units serve as higher-level units (control system or control unit), among other things for process visualization, process monitoring and for engineering as well as for operating and monitoring field devices. You are usually in a control room.
  • the data bus Dl operates z. Eg according to the Profibus DP standard or according to the HSE (High Speed Ethernet) standard of the Foundation Fieldbus.
  • a gateway Gl which is also referred to as Linking Device, Field Controller or Segment Coupler is, the data bus Dl is connected to a field bus segment SMl.
  • the field bus segment SMl consists of several field devices Fl, F2, F3, F4, which are connected to one another via a field bus FB.
  • the field devices F1, F2, F3, F4 may be sensors or actuators.
  • the fieldbus FB operates according to one of the known, for example, field bus standards Profibus, Foundation Fieldbus or HART.
  • FIG. 2 is a block diagram of a field device according to the invention z. B. Fl shown in more detail.
  • a processor unit CPU is connected for measurement processing via an analog-to-digital converter A / D and an amplifier V with a sensor MA, which detects a process variable (eg pressure, flow or level).
  • the processor unit CPU is connected to a plurality of storage units.
  • a RAM memory serves as a temporary working memory, a nonvolatile EPROM memory or FLASH memory as memory for the control program (firmware) to be executed in the processor unit CPU, and an EEPROM memory as memory for calibration and start parameter values, in particular for the setup program the processor unit CPU.
  • the control program defines the application-related functionality of the field device (measured value calculation, envelope evaluation, linearization of the measured values, diagnostic tasks).
  • the processor unit CPU is connected to a display operation unit A / B (e.g., 3-5-button LCD display).
  • a display operation unit A / B e.g., 3-5-button LCD display.
  • the processor unit CPU For communication with the fieldbus segment SMl the processor unit CPU is connected via a communication controller COM with a fieldbus interface FBS.
  • a supply part VT supplies the necessary energy for the individual electronic components of the field device F1. The supply lines to the individual components are not shown for clarity.
  • the supply part VT is fed via the field bus FB (loop powered).
  • the supply of the field device Fl can also be done via a separate power supply unit.
  • connection line VL leads from the processor unit CPU to a reading unit LE for radio tags.
  • the reading unit LE can also be part of a wireless operator terminal. Using such an operator interface, field devices can be operated and configured wirelessly from a handheld terminal. In addition to the field device Fl, a person P is shown who carries a radio tag FE with him. The representation is of course not to scale.
  • the reading unit LE and the radio tag FE can, for. B. work according to the known RFID technology.
  • the reading unit LE can be easily installed in field devices.
  • Field devices typically available energy of about 100 mW is sufficient to operate in addition to the reading unit LE.
  • characteristic data KD is read out of the radio tag FE (method step a).
  • the characteristics KD are transmitted to the control system LS, where it is checked whether the person associated with the radio tag is authorized to carry out maintenance work on the relevant field device (method step b and c). If the check was successful, a characteristic-specific person identifier PK (eg a user ID) is transmitted to the field device F1 (method step d).
  • a characteristic-specific person identifier PK eg a user ID
  • an authorization code (eg a
  • Password in the field device or generated and queried via the display / control unit A / B (step e).
  • This authorization code must be entered manually by the person concerned via a keyboard on the field device. Only with correct input the person gets access to functionalities of the field device and can eg. B. change parameters or settings (step e).
  • Authorization code largely prevents unauthorized access to field devices. This makes the operation of the fieldbus system considerably safer. It is also possible to trace back in the control system LS who, when and at what time on the field device F1 has made adjustments. For this purpose, only the corresponding data must be stored in the verification of the characteristic data KD.
  • the functionalities of the field device are classified into different security levels. Virtually anyone can access simple functionalities. Safety-critical functionalities can only be called by suitably trained personnel. According to the qualification of the person concerned, the corresponding functionalities unlocked.
  • the identification data PK must be associated with information that defines the level of security for this person.
  • the information which person works on the field device F1 can be used in many ways. You can z. For example, they can be integrated into an asset management system, SCADA (Supervisory Control and Data Acquisition), MES (Manufacturing Enterprise System) or CMMS (Computerized Maintenance Management).
  • SCADA Supervisory Control and Data Acquisition
  • MES Manufacturing Enterprise System
  • CMMS Computerized Maintenance Management
  • Such systems may be installed on the computer units WS1, WS2.
  • So z electronic documents required for these systems may be identified with the characteristics or the associated name.
  • shift schedules in the control system can be checked, for example.
  • the corresponding system sees which service technician has worked when and for how long on a field device.
  • an alarm can also be automatically deleted when a service technician visits the relevant field device and has identified himself correctly.
  • the field device F1 or the control system LS can be activated, for example. For example, determine which service technician is needed to fix the problem.
  • control system LS usually has a precise plant plan with information about the individual field devices, the relevant field device F1 and thus also the person concerned can be located quickly and reliably. Thus, in a hazardous situation, persons in a facility can be located more quickly and thus warned.
  • the invention can be realized easily, without much effort and cost. For this purpose, only a corresponding reading unit for RFID tags must be integrated into the field devices.

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  • Physics & Mathematics (AREA)
  • General Physics & Mathematics (AREA)
  • Engineering & Computer Science (AREA)
  • Automation & Control Theory (AREA)
  • Testing And Monitoring For Control Systems (AREA)

Abstract

L'invention concerne un procédé permettant de faire fonctionner un système de bus de terrain, selon lequel une personne doit s'identifier auprès d'un appareil de terrain par une étiquette radio et un code d'autorisation, avant que l'accès aux fonctionnalités de l'appareil de terrain ne soit libéré. La sécurité de fonctionnement du système de bus de terrain en est sensiblement augmentée.
PCT/EP2007/057389 2006-07-25 2007-07-17 Procédé permettant de faire fonctionner un système de bus de terrain dans le contexte de la technique d'automatisation de processus WO2008012243A1 (fr)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
DE102006034857.5 2006-07-25
DE200610034857 DE102006034857A1 (de) 2006-07-25 2006-07-25 Verfahren und Vorrichtung zur Lokalisierung von Personen in automatisierungstechnischen Anlagen

Publications (1)

Publication Number Publication Date
WO2008012243A1 true WO2008012243A1 (fr) 2008-01-31

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DE (1) DE102006034857A1 (fr)
WO (1) WO2008012243A1 (fr)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE102019132977A1 (de) * 2019-12-04 2021-06-10 Minebea Mitsumi Inc. Stellsystem sowie Koppelverfahren für die sichere Inbetriebnahme einer drahtlosen Kommunikationsverbindung

Families Citing this family (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE202008005467U1 (de) 2008-04-18 2009-08-27 Rittal Gmbh & Co. Kg Positionsüberwachungseinrichtung für Personen
DE102008045315A1 (de) * 2008-09-02 2010-03-04 Endress + Hauser Conducta Gesellschaft für Mess- und Regeltechnik mbH + Co. KG Lizenzvergabevorrichtung und Verfahren für eine automatisierte Vergabe von Nutzungslizenzen an Sensoren
EP2333624A1 (fr) * 2009-12-11 2011-06-15 Siemens Aktiengesellschaft Procédé et dispositif de configuration d'un composant dans une installation d'automatisation industrielle
DE102017011683A1 (de) * 2017-12-18 2019-06-19 Dräger Safety AG & Co. KGaA Gasmessvorrichtung

Citations (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE10339349A1 (de) * 2003-08-25 2005-03-24 Endress + Hauser Process Solutions Ag Eingabeeinheit für die Prozessautomatisierungstechnik
EP1621944A2 (fr) * 2004-07-29 2006-02-01 Rockwell Automation Technologies, Inc. Système de sécurité et procédé pour un système d'automatisation industriel

Family Cites Families (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
WO1997001154A1 (fr) * 1995-06-21 1997-01-09 Medestate Ltd. Etiquette et systeme de controle d'etiquettes
EP1410651A4 (fr) * 2000-11-14 2005-04-13 Safetzone Technologies Corp Systeme de localisation de personnes en temps reel dans un environnement fixe
US7737861B2 (en) * 2001-06-19 2010-06-15 Paxflow Holdings Pte Ltd. Location, communication and tracking systems
TWI288882B (en) * 2003-01-28 2007-10-21 Lite On Technology Corp A system for positioning staff in office
US20060017541A1 (en) * 2004-07-22 2006-01-26 Nguyen Martin K Tracking by radio frequency identification
US20060085813A1 (en) * 2004-10-14 2006-04-20 Safetzone Technologies Corporation Real time location system and method

Patent Citations (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE10339349A1 (de) * 2003-08-25 2005-03-24 Endress + Hauser Process Solutions Ag Eingabeeinheit für die Prozessautomatisierungstechnik
EP1621944A2 (fr) * 2004-07-29 2006-02-01 Rockwell Automation Technologies, Inc. Système de sécurité et procédé pour un système d'automatisation industriel

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE102019132977A1 (de) * 2019-12-04 2021-06-10 Minebea Mitsumi Inc. Stellsystem sowie Koppelverfahren für die sichere Inbetriebnahme einer drahtlosen Kommunikationsverbindung

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