EP1889131A1 - Presentation de donnees d'etat de dispositifs de terrain dans des installations de commande de procedes - Google Patents

Presentation de donnees d'etat de dispositifs de terrain dans des installations de commande de procedes

Info

Publication number
EP1889131A1
EP1889131A1 EP06772154A EP06772154A EP1889131A1 EP 1889131 A1 EP1889131 A1 EP 1889131A1 EP 06772154 A EP06772154 A EP 06772154A EP 06772154 A EP06772154 A EP 06772154A EP 1889131 A1 EP1889131 A1 EP 1889131A1
Authority
EP
European Patent Office
Prior art keywords
field devices
para
devices
unhealthy
contained
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Withdrawn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
EP06772154A
Other languages
German (de)
English (en)
Inventor
Karthikeya Romanathan
Samudrala Prasad
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.)
Honeywell International Inc
Original Assignee
Honeywell International Inc
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
Priority claimed from US11/145,734 external-priority patent/US20060217822A1/en
Application filed by Honeywell International Inc filed Critical Honeywell International Inc
Publication of EP1889131A1 publication Critical patent/EP1889131A1/fr
Withdrawn legal-status Critical Current

Links

Classifications

    • 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 present invention generally relates to process control systems, and more specifically to a method and apparatus for presenting status information of field devices in process control plants.
  • a process control plant generally contains several field devices, which are operable to implement a desired control process (e.g., oil refinery, manufacturing operation, etc.). Examples of field devices include valves, positioners and switches, which are controlled to implement the control process.
  • Field devices may provide status related to the operation of the field device. For example, the status information could indicate temperature, pressure, extent of opening of a valve, light intensity, whether the device is malfunctioning (e.g., output saturated, input open), configuration values, calibration status, etc., of the field devices.
  • a monitoring system provided according to an aspect of the present invention displays healthy field devices (of a process control plant) with one display attribute, and unhealthy field devices with another display attribute. Due to such a display, an operator attention may be quickly drawn to unhealthy devices.
  • the monitoring system displays the unhealthy devices in a group (e.g., a linear list), again facilitating early detection of problems.
  • a group e.g., a linear list
  • Figure (Fig.)1 is a block diagram illustrating an example environment in which various aspect of the present invention can be implemented.
  • Figure 2A is a flow chart illustrating the manner in which healthy and unhealthy field devices of a process control plant are displayed according to an aspect of the present invention.
  • t-igure 23 is a flowchart illustrating the manner in which unhealthy devices are displayed in a group according to another aspect of the present invention.
  • Figure 3B contains a screen depicting the manner in which healthy and unhealthy devices are displayed with different display attributes in an embodiment of the present invention.
  • Figure 3D contains a screen depicting the manner in which the detailed status information is displayed upon selection of an unhealthy field device.
  • Figure 4 is a block diagram illustrating the details of an embodiment in which various aspects of the present invention are operative by execution of software instructions in an embodiment of the present invention.
  • Another aspect of present invention displays unhealthy field devices as a group (e.g., list in the embodiments described below), and a user can select an unhealthy field device of interest from the list to retrieve detailed information for the device. Such a feature may also enable a user to quickly identify problems in process control environments.
  • Figure 1 is a block diagram illustrating the details of an example environment in which several aspects of the present invention can be implemented.
  • the block diagram is shown containing field devices 190A through 190Z, control networks 160A and 160B, central server 150, database server 130, control system 120, and client systems 110A through 110Y. Each block is described below in detail.
  • Control network 160A is shown containing multiplexors 170A, 180A and 180B connecting central server 150 to field devices 190A through 190D
  • control network 160B is shown containing multiplexers 170B, 180C and 180D connecting central server 150 to field devices 190E through 190H.
  • multiplexors 180A and 180B are connected between multiplexer 170A and field devices 190A-190D
  • multiplexors 180C and 180D are connected between multiplexer 170B and field devices 190E through 190H.
  • Each control network provides support for protocols such as FOUNDATION (TM) Fieldbus, HART (TM), PROFIBUS (TM), MODBUS (TM), Device-Net (TM). or CAN protocols well known in the relevant arts.
  • Each of the control networks 160A and 160B may be implemented using various network topology, and accordingly devices are connected in various physical groups. For example, multiplexers 180B, 180C and field device 190A are grouped together and connected to multiplexer 180A. Similarly field devices 190B, 190C and 190D are grouped and connected to multiplexer 180B.
  • Field devices 190A through 190Z perform various operations as specified by control system 120. The operations are designed to implement desired control processes.
  • Database server 130 stores any information received from central server 150 and also generates replies to queries. Field devices, database server and control system can be implemented in a known way.
  • Multiplexer 180A multiplexes signals received from field devices 190A through 190C, and provides the multiplexed signals to multiplexer 170A. In addition, multiplexer 180A demultiplexes signals received Trom multiplexer 170A, and forwards the demultiplexed signal to the appropriate field device 190A - 190D. The specific destination of the signals may be determined based on a destination address contained associated with each signal. Multiplexers 180C - 180D and 170A - 17OB also operate similarly.
  • Central server 150 sends various status commands to field devices 19OA through 19OZ and receives corresponding status information through control network 160A and 160B. Additional information may be received by way of the protocol and configuration employed.
  • the status messages indicate whether a field device is unhealthy (i.e., disconnected or not operating to desired capabilities) or healthy.
  • the information corresponding to operation of each field device is obtained by examining a file (DD file) containing the device description (DD) for the corresponding field device type. Commands may be issued to the field devices to retrieve the desired information.
  • Central server 150 may store various status information in database server 130.
  • FIGS. 2A and 2B are flow charts, illustrating the manner in which user interface provided by a monitoring system according to various aspects of the present invention enables a user to quickly determine unhealthy devices, and also to quickly access desired detailed information for unhealthy devices of interest.
  • the flowchart is described with respect to Figure 1 merely for illustration. However, the approaches can be implemented in other environments by other types of systems as well.
  • the flowchart begins in step 201, in which control transfers to step 210.
  • a monitoring system receives status information from a field device of interest.
  • the status information corresponding to each field device can be received according to the description provide above (i.e., via central server 150).
  • the received status information may contain data indicating present state of the device (such as whether the device is performing operations as desired or not, the temperature, pressure, etc., as applicable) along with various responses to the commands sent to the field device.
  • step 225 the monitoring system determines whether current status of a field device of interest has changed from a healthy status to unhealthy status. The determination can be based on responses to commands issued periodically (to the field device of interest), or from status messages received asynchronously from the field devices (when a corresponding state changes). Control passes to step 230 if the status is determined to have changed to unhealthy status, otherwise to step 220.
  • step 230 the monitoring system displays the field device with a second attribute corresponding to the unhealthy status.
  • unhealthy devices are displayed with red color.
  • the monitoring system provides a display of the corresponding device icon with red color.
  • alternative or complementary conventions such as blinking or bold attributes may be used to display unhealthy field devices.
  • the approaches can be enhanced to indicate different types of unhealthy status with different display attributes, without departing from the scope and spirit of various aspects of the present invention.
  • the flowchart enables a user to easily identify all the unhealthy devices in potentially the entire control network, and quickly obtain detailed information corresponding to any of unhealthy devices in the network.
  • the flowchart begins in step 251, in which control transfers to step 260.
  • a monitoring system determines a list of field devices which are unhealthy.
  • the list may be determined and updated periodically as described above with reference to Figure 2A..
  • step 290 the monitoring system displays the location and detailed status information of the selected device.
  • the location indicates the position in the logical topology/ hierarchy at which the selected field device is connected.
  • the provided detailed information may assist the user in identifying corrective measures.
  • FIG. 58 An example implementation of monitoring system providing display according to the approach described in Figures 2A and 2B is illustrated below with respect to Figures 3A - 3D.
  • Figure 3B corresponds to a situation in which devices 190A.190C and 190E are in unhealthy status, and the remaining devices are in healthy status. Accordingly, a rectangle box is displayed around each of devices 190A, 190C and 190E (represented by corresponding device identifiers). In addition, the list of unhealthy devices are displayed in portion 320, as shown. Due to such features, a user monitoring set of devices may quickly identify the unhealthy devices from the set of presently monitored devices.
  • CPU 410 may execute instructions stored in RAM 420 to provide several features of
  • CPU 410 may contain multiple processing units, with each processing
  • RAM 420 may receive instructions from secondary memory 430 using communication path 450.
  • Graphics controller 460 generates display signals (e.g., in RGB format) to display unit [Para 75] 470 based on data/instructions received from CPU 410.
  • Display unit 470 contains a display [Para 76] screen to display the images defined by the display signals.
  • the screens of Figures 3A-3D can be displayed on display unit 470 (of client system 110A).
  • Input interface 490 may correspond to a key-board and/or mouse. The input/output devices enable a suitable user interface, using which users may monitor field devices, as described above.
  • Secondary memory 430 may contain hard drive 435, flash memory 436 and removable storage drive 437. Secondary memory 430 may store the data and software instructions, which enable system 400 to provide several features in accordance with the present invention. Some or all of the data and instructions may be provided on removable storage unit 440, and the data and instructions may be read and provided by removable storage drive 437 to CPU 410. Floppy drive, magnetic tape drive, CD-ROM drive, DVD Drive, Flash memory, removable memory chip (PCMCIA Card, EPROM) are examples of such removable storage drive 437.
  • Removable storage unit 440 may be implemented using medium and storage format
  • removable storage unit 440 includes a computer readable storage medium having stored therein computer software and/or data.
  • computer program product is used to generally refer to removable storage unit 440 or hard disk installed in hard drive 435. These computer program products are means for providing software to system 400.
  • CPU 410 may retrieve the software instructions, and execute the instructions to provide various features of the present invention described above.

Landscapes

  • Testing And Monitoring For Control Systems (AREA)

Abstract

Une forme de réalisation de l'invention concerne un système de surveillance permettant de déterminer le bon ou le mauvais fonctionnement de dispositifs de terrain dans une installation de commande de procédés, et qui utilise un attribut d'affichage pour les dispositifs dont le fonctionnement est bon et un autre attribut d'affichage pour les dispositifs dont le fonctionnement est mauvais. Dans une autre forme de réalisation, les dispositifs dont le fonctionnement est mauvais sont affichés sous forme de groupe (p. ex. liste). Ces caractéristiques permettent à l'utilisateur d'identifier rapidement les dispositifs dont le fonctionnement est mauvais et de visualiser rapidement des informations détaillées concernant un tel dispositif.
EP06772154A 2005-06-06 2006-06-05 Presentation de donnees d'etat de dispositifs de terrain dans des installations de commande de procedes Withdrawn EP1889131A1 (fr)

Applications Claiming Priority (3)

Application Number Priority Date Filing Date Title
US11/145,734 US20060217822A1 (en) 2005-03-28 2005-06-06 Presenting status information of field devices in process control plants
IN316CH2006 2006-03-28
PCT/US2006/021739 WO2006133090A1 (fr) 2005-03-28 2006-06-05 Presentation de donnees d'etat de dispositifs de terrain dans des installations de commande de procedes

Publications (1)

Publication Number Publication Date
EP1889131A1 true EP1889131A1 (fr) 2008-02-20

Family

ID=38951844

Family Applications (1)

Application Number Title Priority Date Filing Date
EP06772154A Withdrawn EP1889131A1 (fr) 2005-06-06 2006-06-05 Presentation de donnees d'etat de dispositifs de terrain dans des installations de commande de procedes

Country Status (1)

Country Link
EP (1) EP1889131A1 (fr)

Non-Patent Citations (1)

* Cited by examiner, † Cited by third party
Title
See references of WO2006133090A1 *

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