WO2009024483A2 - Procédé pour fournir des informations liées à l'entretien en réponse à une demande - Google Patents

Procédé pour fournir des informations liées à l'entretien en réponse à une demande Download PDF

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Publication number
WO2009024483A2
WO2009024483A2 PCT/EP2008/060431 EP2008060431W WO2009024483A2 WO 2009024483 A2 WO2009024483 A2 WO 2009024483A2 EP 2008060431 W EP2008060431 W EP 2008060431W WO 2009024483 A2 WO2009024483 A2 WO 2009024483A2
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WO
WIPO (PCT)
Prior art keywords
information
maintenance
mobile
knowledge system
field device
Prior art date
Application number
PCT/EP2008/060431
Other languages
German (de)
English (en)
Other versions
WO2009024483A3 (fr
Inventor
Eugenio Ferreira Da Silva Neto
Michael Maneval
Klaus Nunnenmacher
Georg Veith
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 WO2009024483A2 publication Critical patent/WO2009024483A2/fr
Publication of WO2009024483A3 publication Critical patent/WO2009024483A3/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
    • G05B19/418—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
    • G05B2219/31162—Wireless lan
    • 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
    • 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
    • G05B2219/32226—Computer assisted repair, maintenance of system components
    • 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
    • G05B2219/36—Nc in input of data, input key till input tape
    • G05B2219/36159—Detachable or portable programming unit, display, pc, pda
    • 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 obtaining maintenance-relevant information to a plant in carrying out a maintenance work from a place of use in the system, wherein the system has at least one field device and at least one connected to the field device superordinate unit, using a knowledge system which has access to maintenance-relevant information about the installation, in particular to information about the at least one field device.
  • field devices are often used which serve to detect and / or influence process variables.
  • Sensors such as level gauges, flowmeters, pressure and temperature measuring devices, pH redox potential measuring devices, conductivity measuring devices, etc., which record the corresponding process variables level, flow, pressure, temperature, pH or conductivity, are used to record process variables.
  • actuators such as valves or pumps, via which the flow of a liquid in a pipe section or the level in a container can be changed.
  • field devices all devices are referred to in principle, which are used close to the process and provide the process-related information or process.
  • a variety of such field devices is manufactured and sold by the company Endress + Hauser.
  • the higher-level units are control systems or control units, such as For example, a PLC (programmable logic controller) or a PLC (Programmable Logic Controller).
  • the higher-level units serve, among other things, for process control, process visualization, process monitoring and commissioning of the field devices.
  • computer-aided maintenance systems are often used in modern systems, which in a database maintenance-relevant information regarding the field devices and possibly also the other devices that in the plant (hereinafter referred to as: computer-aided maintenance systems).
  • These typically software-based computer-aided maintenance systems can perform various functions related to the management and organization of maintenance, depending on the provider and the configuration of the facility.
  • these computerized maintenance systems may perform the operations and functions that have traditionally been performed manually by maintenance personnel or an administrator responsible for maintaining the equipment, to schedule maintenance tasks, and to document performed maintenance.
  • CMMS Computer-aided maintenance management system
  • CMMS Computer-aided maintenance management system
  • Asset Management in particular the management and provision of device data, manuals, checklists, warranty information, maintenance intervals, service agreements, date of purchase information, expected life expectancy, spare part information, field device error message information and troubleshooting and / or parameterization information , Calibration and / or configuration of the individual field devices (and possibly further devices of a plant);
  • CMMS Compute resource pool
  • PAM Plant Asset Management
  • CMMS and PAM there are more Software-based computer-aided maintenance systems ('manufacturer specific computerized maintenance systems'), be managed by the maintenance-relevant information of one or more field devices in a database. These additional maintenance systems typically perform at least a portion of the functions discussed above with respect to CMMS and PAM. Often, several different computer-aided maintenance systems are used in parallel.
  • information about the field devices is also provided centrally by the manufacturers of field devices in a corresponding database.
  • information about the field device is also provided centrally by the manufacturers of field devices in a corresponding database.
  • it is possible to access current information about the field device over the entire life cycle of a field device for example information relating to the calibration of the field device, with regard to maintenance and repair work, with regard to procurement, installation, setup and operation, etc.
  • Manufacturers provide this information, in part via the Internet, through dedicated portal pages accessible via password-protected logins.
  • databases or database systems which may also be equipped with additional functionalities, such as search functions, are not just for field devices but also in part by plant operators and system manufacturers with regard to plant-specific information, with regard to information relating to the digital communication via a fieldbus of the plant and / or with regard to specific information relating to a process, an industry and / or an application
  • these databases or database systems are generally referred to as "centrally-provided databases or database systems”.
  • the computer or the data processing system on which a computer-aided maintenance system and / or a centrally provided database and / or centrally provided database system is / are implemented, spatially separated from the individual field devices (and optionally of other devices of Plant and by a field bus of the plant). Maintenance personnel who perform field maintenance on a field device can not access this information directly.
  • electrical connections such as for a wired Internet access, often not allowed for security reasons or not available for reasons of economy.
  • the person concerned had to print in advance the expected information in paper form or via a corresponding interface (eg Bluetooth or infrared) to a "PDA" (English: “Personal Digital Assistant") or a laptop
  • a corresponding interface eg Bluetooth or infrared
  • a laptop e.g. "Personal Digital Assistant”
  • the computer or data processing system on which the relevant computerized maintenance system and / or the centrally-provided database and / or the centrally-provided database system is implemented had an internet connection
  • the downloaded information could then be stored on the computer, usually at the workstation of the person concerned son was stored, and additionally printed in paper form and / or transferred to a PDA (eg via USB, Bluetooth or infrared).
  • the hardcopies and / or the PDA with the information stored in advance could then be relayed to the site in take the plant with you.
  • the object of the present invention is to provide a method that allows a maintenance personnel, who is in the field when performing a maintenance work, quickly and easily provide necessary maintenance-related information.
  • the object is achieved by a method according to claim 1.
  • a method for obtaining maintenance-relevant information about a plant when carrying out a maintenance work from a place of use in the plant, the plant having at least one field device and at least one higher-level unit connected to the field device.
  • the method uses a knowledge system that has access to maintenance-relevant information about the installation, in particular information about the at least one field device.
  • a mobile, handheld device having a wireless network access interface is used.
  • the method comprises the steps of: establishing a wireless network access from the mobile, hand-held device in the field in the plant and establishing a network connection to the knowledge system;
  • maintenance generally refers to maintenance, inspection, repair and improvement
  • Maintenance includes measures for delaying wear on a device
  • inspection includes measures for determining and assessing an actual state of a device
  • measures for returning a device in the functional state such as for example a repair.
  • improvements include increasing the reliability of a device without changing the function performed by the device.
  • maintenance-related information also generally includes information pertaining to maintenance, inspection, repair, and improvement measures. Persons performing the maintenance, inspection, repair, and improvement measures are generally referred to herein as maintenance personnel ,
  • the knowledge system may in particular be formed by one or more of the computer-aided maintenance systems described above, centrally provided databases and / or centrally provided database systems.
  • the knowledge system may be completely or partially separate, i. spatially separated, from a storage location of the maintenance-relevant information to the facility, such as one or more of the computer-aided maintenance systems described above, centrally provided databases, and / or centrally-provided database systems, and have access thereto only.
  • a plant is generally referred to a plant in which field devices are commonly used, such as a production plant, a tank system with multiple tanks, a chemical plant with several processes to be monitored and / or regulated, etc.
  • a wireless network access is established from the mobile, hand-held device that is in the field of installation.
  • the network connection to the knowledge system which has access to the corresponding network at least during the duration of the execution of the method, can be formed, for example, via the Internet or via an intranet.
  • appropriate interfaces are preferably provided for such network access to the mobile hand-held device and to the knowledge system.
  • the access of the knowledge system to the network can be wireless or wired.
  • the knowledge system depending on the at least one search term, automatically performs a search in at least the maintenance-relevant information about the installation to which the knowledge system has access.
  • the search can also be carried out in further available information, which is generally made available on the Internet, for example.
  • An "automated performance" of the search is understood to mean that the search in the knowledge system is carried out automatically, ie without human intervention, and the selection and sequence of the presentation to be made for the provision of the ascertained information is carried out automatically according to predetermined criteria
  • Information retrieved by the search is then in turn sent to the mobile hand-held device when performing the search and presentation of the search results, in particular, the order of presentation and display of the search results (eg, closer text environment of the respective search terms)
  • the individual ascertained information can first be presented in a brief presentation and sent to the mobile, hand-portable device (eg, for example, in the case of search engines, search criteria, selection criteria, and display modes r the closer text environment of the respective search terms). Only after selecting a corresponding determined information then the entire selected document to the mobile, hand-portable device sent and displayed.
  • the possibility can be provided by the knowledge system of conducting a restricted search again within the information determined during a first search.
  • a maintenance person can get the required maintenance-relevant information in a quick and easy way.
  • effective and rapid problem solving can be realized on site without requiring the maintenance person to have extensive and detailed expertise with regard to individual causes of faults and possible problems associated with the installation, in particular in connection with a field device to be maintained.
  • the knowledge system preferably has a server which has access to at least one database, preferably to a plurality of databases that contain / contain maintenance-relevant information about the installation. If databases are provided externally by the server, the access can take place, for example, via an intranet or the Internet.
  • the databases mentioned can be, for example, databases of the computer-aided maintenance systems described above, the databases provided centrally and / or the centrally provided database systems. In particular, in Reed of multiple databases is advantageous that the search in these databases centrally via the server can not be performed separately for each database individually.
  • the server can access centrally provided databases or database systems from different manufacturers, plant operators and / or system providers.
  • Knowledge system to one or more of the following information, which are preferably managed in corresponding databases, access: manufacturer-specific information relating to one or more of the field devices; plant-specific information; Information relating to the digital communication via a fieldbus of the plant; specific information regarding a process, an industry and / or an application. Accordingly, the knowledge system can be used not only for a maintenance work to be performed directly on a field device, but it can on the knowledge system depending on the proposed databases also access to information on the fieldbus used, application-specific information, on system-specific information and information about a process environment one or more field devices are obtained.
  • the knowledge system has a search engine which functions as a server-side program is implemented and that performs the step of automatically performing a search in the at least one database.
  • the search function can be realized by the knowledge system in a simple and fast way.
  • the search engine can access the at least one database directly or it can be designed as a meta-search engine, which in turn accesses subordinate search engines, which are assigned to the individual databases, for example.
  • an identification information for identifying the relevant field device and a context-specific information.
  • special information stored in the knowledge system specifically for the field device concerned e.g., data on already performed maintenance, etc.
  • the context-specific information is generally used to further restrict the search, so that, for example, a maintenance person can restrict the search according to a situation found on site.
  • the context-specific indication may include, for example, an error message displayed on the field device, an alarm message displayed on the field device, a maintenance information displayed on the field device, information on the information desired by a service person, information on a configuration and / or parameterization of the field device, information on a process environment the field device in the system, and / or information on a function of the field device in the system.
  • the search term in particular the identification information for identifying the relevant field device and a context-specific information, also automatically from the mobile, in the Hand portable device to be detected.
  • This can be done, for example, by connecting the mobile, hand-portable device to the field device to be serviced via a corresponding line and automatically transmitting the identification information for identifying the relevant field device and relevant context-specific information to the mobile, hand-portable device.
  • the time of transmission of this information can be triggered by the mobile, portable device and / or by the maintenance person.
  • this automatic transmission can also take place via a wireless connection between the mobile, handheld device and the field device in a corresponding manner as explained with regard to the wired transmission (eg via an infrared or Bluetooth interface).
  • An identification of the field device can be carried out, for example, via RFID (radio frequency identification;
  • RFID radio frequency identification
  • the mobile, hand-portable device automatically detects and lists all field devices in the vicinity from which it can receive signals. The maintenance person can then select the relevant field device and then there is the automatic transmission, as explained above.
  • the automatic detection of the at least one search term has the advantage that the maintenance person does not have to have extensive detailed knowledge, since the required information is automatically transmitted from the field device to the mobile, hand-portable device.
  • the maintenance person manually enters search terms, either in addition to the automatically acquired search terms or instead of the automatic detection of search terms.
  • the step of sending the information determined by the search comprises performing an interactive query by the knowledge system in Dependence on the at least one search term.
  • Such an interactive query may be in one step as a complete "question tree” (with a corresponding link between the possible answers and the questions to be asked next depending on the answers entered) or as a complete "decision tree" on the mobile, hand-portable Device to be loaded.
  • no wireless network access can be produced directly at the place of use of the mobile, hand-portable device. This can be the case, for example, if a field device to be serviced is formed by a filling level sensor in a tank and no wireless network access can be produced from the interior of the tank.
  • the maintenance person must at least climb out of the tank and establish wireless network access outside the tank from the mobile, handheld device and communicate with the knowledge system via the network connection. After the complete "question tree” or “decision tree” has been loaded onto the mobile, handheld device, the maintenance person can then go back into the tank with the mobile, handheld device back to the field device and retrieve the "question tree” or “question tree”. work off the "decision tree”.
  • a specific error message is displayed on the field device. If this is the case, it can be specified as the maintenance work to be performed that the maintenance person should clean a corresponding sensor of the field device.
  • the maintenance person is to exchange the sensor, preferably the sequence of the interactive query, in particular the design of the "question tree” and / or or the "decision tree” configured to indicate a maintenance task to be performed and / or to provide information desired by the maintenance person Alternatively to loading the complete “question tree” or "decision tree” onto the mobile handheld device.
  • the individual questions are selected as a function of the entered answers in such a way that a cause of the error, a maintenance work to be performed, and / or corresponding information can be determined with the least possible number of query iterations.
  • the search and / or the interactive query depending on a type of relevant, serviceable field device, of the fieldbus system of the plant, of a field of application of a relevant, serviceable Field device, by a configuration and / or parameterization of the relevant field device to be serviced, by a qualification of a maintenance person who is at the site for performing a maintenance work, and / or by a statistical frequency of the causes of failure at the relevant, serviced field device and / or be carried out maintenance work.
  • the interactive query based on the above-mentioned criteria can be adapted such that a cause of the error, a maintenance work to be performed, and / or corresponding information can be determined with the least possible number of query iterations.
  • the information about a type of relevant, serviceable field device, to the fieldbus system of the system, to a field of application of a respective serviced field device, and / or to a configuration and / or parameterization of the respective field device to be serviced can be provided again that this information is automatically transferred from the field device to the mobile, hand-held device, as explained above, or that this information is entered manually by the maintenance person into the mobile, hand-held device.
  • the information on a qualification of the maintenance person is preferably already predetermined in the mobile hand-portable device carried by the maintenance person. Accordingly, different user profiles can be stored in the knowledge system and the corresponding procedures for providing the information for the individual user profiles can be predetermined.
  • the knowledge system depending on the knowledge level, the function and / or the respectively assigned rights of the maintenance person concerned, given instructions regarding the maintenance work to be performed depending on the knowledge level and the rights assigned to the maintenance person Be the information in the of the
  • it can be taken into account, for example, that measuring devices in installations in which increased contamination occurs must be cleaned more frequently , Accordingly, information concerning the cleaning of the field device can be classified with a higher relevance, so that this information is preferably provided as explained below.
  • a statistical frequency of the causes of faults occurring at the relevant, serviced field device and / or maintenance work to be performed can also be taken into account.
  • the information can also be classified with a corresponding relevance as a function of the further criteria specified above, so that plant-specific, fieldbus-specific and / or process-specific circumstances, etc. are taken into account.
  • Carrying out a search and / or an interactive query via the mobile, hand-portable device feedback information entered whether a cause of the fault, a maintenance work to be performed, and / or corresponding information was determined correctly (n).
  • the feedback information can also be used to enter a quality of the information determined.
  • This feedback information is then taken into account for the design of a future search and / or interactive query by the knowledge system. Through this learning function, the knowledge system can be optimized over time so that the desired information is made available as quickly as possible.
  • the information about the installation to which the knowledge system has access is classified according to its relevance with respect to the relevant installation, wherein preferably the information determined by the search is in the order of relevance to the mobile , hand-held device be sent and / or provided.
  • a maintenance person can easily recognize the gradation of the relevance of each information provided, and the selection among the obtained information is facilitated.
  • the relevance of the individual information and / or the questions to be asked during an interactive query can be changed depending on the feedback information.
  • the relevance of each information may be ranked according to the individual criteria specified in the paragraph above.
  • the mobile, hand-portable device has a wireless local area network (W-LAN) interface, so that a wireless network access of the mobile, hand-portable device can be produced via a W-LAN is.
  • WLAN wireless local area network
  • Such wireless access to the Internet via a local W-LAN is also known as a hotspot system.
  • HSDPA High Speed Downlink Packet Access
  • UMTS Universal Mobile Telecommunications System
  • EDGE Enhanced Data Rates for GSM Evolution
  • GPRS General Packet Radio Service
  • the mobile, hand-portable device has an integrated web browser.
  • the mobile, hand-portable device can also process data and provide the maintenance personnel with further functionalities, it has, according to an advantageous development, a data processing unit.
  • the mobile, portable device is a PDA (English: “Personal Digital Assistant").
  • a PDA has the advantage that it is small and handy, is inexpensive, has a data processing unit and provides the user with high functionality.
  • other devices such as a mobile phone, are integrated into the PDA.
  • a notebook as a mobile, in the hand portable device can be used.
  • a pocket-sized device such as the size of a PDA or a mobile phone.
  • Fig. 1 a schematic representation of a field bus network and a knowledge system according to a first embodiment of the invention.
  • Fig. 2 a schematic representation of a fieldbus network and a knowledge system according to a second embodiment of the invention.
  • FIG. 1 shows a small fieldbus network, in which three field devices FO, F1 and F2 and a control unit PLC are connected to a fieldbus F.
  • the control unit PLC is a master, while the field devices FO, F1 and F2 are slaves.
  • the communication between the control unit PLC and the field devices FO, F1 and F2 takes place via the fieldbus F according to the corresponding fieldbus standard (for example Profibus®, Foundation® Fieldbus, etc.).
  • the corresponding fieldbus standard for example Profibus®, Foundation® Fieldbus, etc.
  • a knowledge system 2 is provided, which is formed in the present embodiment by a computer.
  • a computer-aided maintenance system is implemented, which in the present embodiment is formed by a CMMS 4 and a PAM 6.
  • the knowledge system 2 has a server 8 which has access to the information managed by the CMMS 4 and the PAM 6. The access takes place within the knowledge system 2 via corresponding lines, which are shown schematically in Fig. 1 by the lines 10.
  • the CMMS 4 and the PAM 6 manage maintenance-relevant information in associated databases, which are respectively assigned to the CMMS 4 and the PAM 6.
  • a maintenance person 20 is sent to the field device FO stating a TAG of the measurement point to repair it.
  • the TAG indicates the location and function, i. the field device FO, so that the field device FO is uniquely identifiable by the TAG.
  • the maintenance person 20 carries a PDA 22 with him.
  • field devices are equipped with a GPS receiver (not shown) so that they can accurately determine their position and can be easily located by a PDA 22, which is also equipped with a GPS receiver (not shown).
  • the maintenance person 20 can connect to the knowledge system 2 via the Internet.
  • a wireless access point in particular a hotspot system
  • a hotspot system is a wireless access to the Internet via a local W-LAN called.
  • the PDA 22 has a W-LAN interface 24 through which the PDA 22 can gain access to the local W-LAN provided by the hotspot system.
  • the hotspot system has an interface 26 between the W-LAN and the Internet.
  • Fig. 1 the W-LAN connection between the W-LAN interface 24 of the PDA 22 and the interface 26 as a dashed line 28 is shown.
  • wireless internet access is established from the PDA 22 via the hotspot system.
  • the knowledge system 2 is also connected to the Internet via a corresponding interface.
  • the Internet connection between the interface 26 and the knowledge system 2 is shown in FIG. 1 by the solid line 30.
  • At least one search term can be determined.
  • it is a maintenance work on a field device, so that preferably an identification information for identifying the field device FO, such as a type and a serial number, and a context-specific information, such as an error message generated by the field device FO, selected as search terms become.
  • the at least one search term is automatically transmitted from the field device FO to the PDA 22, as explained above.
  • the required information can be specified even more precisely.
  • the at least one search term is sent to the knowledge system 2 via the PDA 22.
  • the knowledge system 2 automatically performs a search in
  • the knowledge system 2 on a search engine which is implemented as a server-side program. Access to the information in the databases of the CMMS 4, the PAM 6 and in the centrally provided databases 12, 14 and 16 takes place via the server 8. Subsequently, the information determined by the search is at least briefly presented by the knowledge system 2 via the Internet (and the hotspot system) sent to the PDA 22. The order of presentation of the determined information can be determined according to the relevance of the determined Information is provided.
  • the knowledge system 2 can perform an interactive query as a function of the at least one search term.
  • the particular flow of the interactive query (e.g., a "question tree” or a "decision tree") may be determined by the server 8 when searching the databases of the CMMS 4, the PAM 6, and the centrally-provided databases 12, 14, and 16.
  • the symptoms occurring at the field device FO such as, for example, displayed error and / or alarm messages, responses to the field device FO when carrying out measures that are specified by the knowledge system 2, etc., can be queried.
  • the knowledge system 2 can, as explained above, select the next questions such that the cause of the error and preferably simultaneously a maintenance work to be performed to correct the error can be determined with the least possible number of query iterations. For example, by skillfully choosing the order of the questions, certain causes of errors can be excluded at an early stage of the query. Furthermore, the relevance of the individual information or questions, as explained above, can be taken into account.
  • the knowledge system 2 is in the second embodiment.
  • the knowledge system 2 is connected to the fieldbus F and can additionally exchange information via the fieldbus F with the field devices FO, F1 and F2. This can be particularly advantageous if the individual field devices FO, F1 and F2 additional functionalities and can communicate their current state, error messages, etc. directly to the knowledge system 2.
  • a server 8 of the knowledge system 2 is integrated into the control unit SPS.
  • the server 8 can access centrally provided databases 12, 14 and 16 via the Internet (see lines 18).
  • no computer-aided maintenance system is provided in the knowledge system 2.
  • a spatially separate provided maintenance system 32 which is implemented on a corresponding computer, is provided.
  • the maintenance system 32 again has a CMMS 4 and a PAM 6.
  • the maintenance system 32 is accessed from the server 8 via the Internet, wherein a corresponding Internet connection in Fig. 2 is shown schematically by the line 34.
  • the present invention is not limited to the embodiments shown in the figures and described above.
  • the type of network access of the knowledge system is irrelevant to the practice of the present invention.
  • a parallel wiring or an analog signal transmission between the field devices and the parent unit is possible.
  • the knowledge system may also be formed separately from the computer-aided maintenance systems.
  • one or more computer-aided maintenance systems may also be integrally formed in the knowledge system.
  • one or more of the centrally provided databases can also be integrated into the knowledge system.
  • the centrally provided databases illustrated in FIGS. 1 and 2 may also be provided by centrally provided database systems having additional functionalities, such as a search function within the respective database system.
  • the knowledge system may also have access to further information or even to only a portion of the centrally provided databases and computerized maintenance systems illustrated.
  • the knowledge system is assigned to several systems and / or that the knowledge system can access centrally provided databases of different manufacturers of field devices.

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

Abstract

La présente invention concerne un procédé pour fournir des informations liées à l'entretien, relatives une installation lors de la mise en oeuvre d'une opération d'entretien depuis un site d'utilisation situé dans l'installation, l'installation présentant au moins un appareil de terrain (F0, F1, F2) et au moins une unité prioritaire (SPS) reliée à l'appareil de terrain (F0, F1, F2). Dans le cadre du procédé, on utilise un système d'informations (2) qui a accès à des informations liées à l'entretien relatives à l'installation, en particulier à des informations relatives à l'appareil ou aux appareils de terrain (F0, F1, F2). Un appareil mobile portatif (22) qui présente une interface pour un accès réseau hertzien, est utilisé pour l'accès au système d'informations (2). Selon le procédé, un accès réseau hertzien de l'appareil mobile portatif (22) est réalisé sur le lieu d'utilisation dans l'installation, et une liaison réseau est établie avec le système d'informations (2). Au moins une expression de recherche qui spécifie les informations souhaitées liées à l'entretien, est ensuite envoyée au système d'informations (2) par l'intermédiaire de l'appareil mobile portatif. Ensuite, une recherche est faite automatiquement par le système d'informations (2) en fonction de l'expression ou des expressions de recherche dans les informations liées à l'entretien, relatives à l'installation auxquelles le système d'informations (2) a accès. Les informations déterminées par la recherche sont finalement envoyées par le système d'informations (2) à l'appareil mobile portatif (22) par l'intermédiaire de la liaison réseau.
PCT/EP2008/060431 2007-08-21 2008-08-08 Procédé pour fournir des informations liées à l'entretien en réponse à une demande WO2009024483A2 (fr)

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DE102007039531.2 2007-08-21
DE102007039531A DE102007039531A1 (de) 2007-08-21 2007-08-21 Verfahren zum Beschaffen von instandhaltungsrelevanten Informationen zu einer Anlage

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WO2009024483A3 WO2009024483A3 (fr) 2009-05-14

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CN105579921A (zh) * 2013-07-25 2016-05-11 弗罗纽斯国际有限公司 能量装置
CN113711538A (zh) * 2019-05-21 2021-11-26 西门子股份公司 配置参数的方法、装置、系统、计算设备、介质以及产品

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CN113711538A (zh) * 2019-05-21 2021-11-26 西门子股份公司 配置参数的方法、装置、系统、计算设备、介质以及产品

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