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]
  • G05B19/4185—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 the network communication
• • 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
  • G05B2219/31—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
  • G05B2219/31—From computer integrated manufacturing till monitoring
  • G05B2219/31467—Display of operating conditions of machines, workcells, selected programs
• • 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 providing plant-related operating data of a switchgear.
• the latter has a plurality of control devices interconnected via a field bus.
• the switchgear is connected via the fieldbus with an external control system computer as a bus master for controlling the control devices acting as slaves.
• Process data is exchanged between the process control computer and the respective control units.
• the invention furthermore relates to a diagnostic data server and to a switchgear, in particular a motor control center, which is or is connected to a data-processing diagnostic server of this type or has such a diagnostic data server.
• the process data are, in particular, data for setting, controlling, regulating and / or monitoring the control devices. They may also include process parameters or configuration data to effectuate corresponding changes in the operational behavior of the controllers.
• the diagnostic data are in particular error codes, status messages and internal process parameters of the respective control units, which are not necessarily required for the higher-level control of the switchgear by the control computer.
• diagnostic data may include, for example, internal temperature, current or voltage values as well as information on the switching frequency and interruptions.
• switchgear which a plurality of control devices, such as drive control units, umfas ⁇ sen.
• the control units are housed as plug-ins for insertion in a control cabinet.
• Such a switchgear may for example be a so-called engine control center or short MCC. In such an MCC, several motor or drive control units can be accommodated modularly in the control cabinet.
• controllers are connected to each other via a bus system data technology, such as a widely used in automation and manufacturing technology, standardized fieldbus.
• a bus system data technology such as a widely used in automation and manufacturing technology, standardized fieldbus.
• the control units typically have only a single bus interface for the fieldbus.
• the switchgear or the MCC is connected via the fieldbus to a control technology computer, the control system computer acting as bus master and the control units as slaves.
• a sol ⁇ cher control technology computer can also be referred to as a process computer or as control technology master. In many cases, this process control computer is more or less located far away from the substation, such as in a Leit ⁇ point or control center of a plant or factory.
• the data access can be effected, for example, by providing the data of the slaves by the control engineering computer itself.
• a disadvantage of this solution is that in addition to the process data required for the control of the switchgear only a very limited part of generally available tion diagnostic data can be processed by the control computer. Another major disadvantage is that the system-specific software adaptations required for this purpose no longer permit the use of a standard process control computer. In addition, there is the potential risk that the control unit will be disturbed by the process control computer in the event of subsequent, faulty changes, adaptations or expansions.
• a data concentrator ⁇ be known in order to make them available to the plant-related data to external systems.
• Such a data concentrator is connected between the control system computer and the controllers connected via the fieldbus. It acts as a central control and communication system and as master communicates directly with the control units as slaves.
• Another data connection which can also be another fieldbus, is used to exchange data with the process control computer. Via one or more further data interface data is exchanged rungs- eg with the initially-mentioned visualization, maintenance, resource management or data ⁇ database systems.
• a disadvantage of this solution is that no direct communication between the control system computer and the control devices is possible anymore. As a result, an impairment of the control, especially in time-critical, asynchronous processes is possible. It is thus an object of the invention to provide an improved
• a diagnostic data server is used as a second bus master to request independent of the data exchange between the control system computer and the control units diagnostic data as further system-related operating data from the respective ECUs ⁇ len and provide these externally connected to the diagnostic data server bus subscribers.
• the diagnostic data server can also be referred to as a diagnostic master. It is preferably a computer system, such as an industrial PC or a Linux server.
• the bus subscribers may be the visualization, maintenance, resource management or database systems mentioned in the introduction. These systems are usually computer systems.
• the core idea of the present invention lies in the control technology-independent access of the diagnostic data server to the system-related operating data, in particular to the data of the respective control devices designed as slaves.
• known anticollision methods are used for independent data access. Such methods may e.g. be handled in a bus protocol which is executed on the fieldbus. Such a bus protocol is preferably the Profibus protocol.
• a further advantage lies in the separation of the process data for the control system control from the external provision of the diagnostic data. Separate software adjustments of the control computer are not required in relation to the external diagnostic data.
• the scope of selected diagnostic data can be done for example by appropriate programming of the diagnostic data server. This can be done, for example, by suitable parameterization in a data table which includes all the diagnostic data of all the ECUs that can be accessed on the fieldbus. Through the parameter can be determined which of the diagnostic data to be queried with which repetition rate of the respective HEADUNITS ⁇ th.
• the data can be provided diagnosis at a known data interface, as are output to a LAN interface on the basis of an Internet Proto ⁇ Koll, to a visualization or database system, for example.
• the diagnostic data server is used to additionally at least one
• the diagnostic data server is used to provide the anlagenbezo ⁇ -related operational data in its function as a server corresponding clients the externally connected to the diagnostic data server bus users.
• the operating data can be provided on a standardized server interface.
• realized as a software application clients can then access the data of the respective control devices.
• the object of the invention is further achieved by a diagnostic data server for providing plant-related operating data of a switchgear.
• Such a diagnostic data server has a fieldbus interface for connection to a fieldbus, at least one further data interface for the possible connection of at least one further bus user and a processor-based control unit for Ausure ⁇ Ren a bus master application and a server application according to the server / client model ,
• the bus master application is programmed to request diagnostic data as plant-related operating data from respective control devices connected to the fieldbus and functioning as slaves.
• the server application is programmed to provide the operating data requested by the client of the respective bus user.
• the bus master application is programmed as additional system-related operating data in addition to detecting at least part of the process data exchanged between the control system computer and the respective control units. Since ⁇ through to all exchanged on the fieldbus data be made available to the initially-mentioned visualization, maintenance charges, resource management or database systems principle.
• the server application is an OPC server application.
• OPC for OLE for Process Control
• OLE for Object Linking and Embedding
• a standardized software interface is designated, which enables the data exchange between applications of different manufacturers in the automation technology. where sensors, controllers and controllers from different manufacturers form a common, flexible network.
• the diagnostic data server has a memory for continuously storing the system-related operating data.
• the diagnostic data server also has the functionality of a data logger.
• the memory may e.g. a circular memory as a history memory for logging all data exchanged on the fieldbus.
• the object of the invention is achieved by a switchgear with a plurality of interconnected via a field bus, modular control units.
• the switchgear is connected via the fieldbus with an external, designed to control the functioning as slaves controllers, acting as a bus master control technology computer connectable.
• the switchgear having such Diagno ⁇ se-data server to provide the requested plant-related operational data is data-technically connected.
• such a switchboard to such Diagno ⁇ se data server is data-technically connected.
• the switchgear is a motor control center with a plurality of modular engine control units as control units.
• MCC motor control center
• 2 shows another motor control center with a data concentrator according to the prior art
• FIG. 3 shows a motor control center as an example of a
• FIG. 1 shows a motor control center (MCC) as an example of a switchgear 10 according to the prior art.
• MCC motor control center
• a control system computer 1 ' is shown, which is connected via a fieldbus B to the engine control center 10.
• the latter has a plurality, in the present example, at least four control devices 2 in the form of engine control units.
• the reference numeral 3 designates electric motors, which are electrically supplied by the respective engine control units 2.
• Numeral 21 is a processor-based motor control unit and 22 is a power section for the respective electric motor 3, such as a motor. an inverter or a switching device (contactor).
• the power unit 22 of the respective engine control unit 2 can also be designed as a separate unit.
• the engine control units 2 and the control system computer 1 ' are each connected via a fieldbus interface 11 as a data interface 11 to the fieldbus B. Normally, today's engine control units 2 only have a single fieldbus interface 11.
• two bus subscribers 4, 5 are shown by way of example, which, like the control system computer 1 ', are located away from the engine control center 10.
• the first bus subscriber 4 is a visualization system and the second bus subscriber 5 is a database system.
• Both systems 4, 5 are preferably designed as computer systems. You can ge in common with the process control computer 1 ', for example, in a control center of a factory or a factory.
• P designates process data which the control system computer 1 'exchanges in its function as bus master M for controlling the motor control center 10 via the fieldbus B.
• diagnostic data D ' is a part of diagnostic data referred to, which can be processed by the process control computer 1' in addition to the process data required for the control of the motor control center 10 process data P in terms of data technology.
• This part of diagnostic data D 'and, if appropriate, part of the process data P are then output by the process control computer 1' at a further communication interface 12 for possible further processing by the visualization system 4 and by the database system 5.
• FIG. 2 shows a further motor control center 10 with a data concentrator 6 according to the prior art.
• the data concentrator 6 is connected in terms of data technology between the control system computer 1 and the switchgear-side fieldbus B.
• B2 is another example of a fieldbus designated connecting the control computer 1 with the data concentrator 6.
• the control system computer 1 and the data concentrator 6 can be connected to one another via a direct point-to-point data connection in terms of data technology.
• 13 denotes an associated, additional data interface.
• a data concentrator application-designated by the reference numeral 61 which is guided on a not further designated processor-based control unit of the data concentrator 6 from ⁇ .
• the data concentrator application 61 serves as an exchange for the process data P between the Leit ⁇ engineering computer 1 and the respective engine control units 2.
• the queried by the engine control units 2 diagnostic data D via a further data interface 14 from the fieldbus B to the visualization system 4 and the database system 5 forwarded.
• a data-technical direct access of the control system computer 1 to the fieldbus B does not take place here.
• FIG. 3 shows a motor control center 10 as an example of a switchgear with a diagnostic data server 7 according to the invention.
• the diagnostic data server 7 is used as a further, second bus master M, independently of the data exchange between the process control computer 1 and to request the control devices 2 diagnostic data D as further system-related operating data from the respective control units 2 and this the externally connected to the diagnostic data server 7 bus subscribers 4, 5, here exemplarily a visualization system 4, a database system 5 and a combined visualization / database system 4, 5th to provide.
• the aforementioned systems 4, 5 act as autonomous systems completely independent of the control technology of the switchgear 10 or of the motor control center.
• the diagnosis data server 7 acts as a server according to the client / server principle in order to provide the plant-related operating data corresponding clients C of the externally connected to the diagnostic data server 7 bus subscribers 4, 5.
• the diagnostic data server 7 has a processor-based control unit (not further described) on which a bus master application 71 and a server application 72 are executed.
• each software client C can send requests to the server for the transmission of diagnostic data D of the respective control unit 2 and possibly also of process data P.
• the server application 72 about an advantageous for automation applications OPC server application and the client C or at the client Applika ⁇ functions corresponding to OPC clients C.
• plant-specific operating data of a switchgear are in the inventive method 10 provides notesge ⁇ , the switchgear 10 connected via a plurality of egg Fieldbus NEN B together comprises modular control devices.
• the switchgear 10 is connected to an external control system computer 1 via the fieldbus B.
• the control system computer acting as bus master M is provided for controlling the control devices 2 acting as slaves S.
• a diagnostic data server 7 is used as a second bus master M to request independent of the data exchange between the control computer 1 and the Steueruze 2 diagnostic data D as further operating data from the respective control units 2 and externally connected to the diagnostic data server 7 Bus subscribers 4, 5 provide.
• the aforementioned client applications can also be programmed on the diagnostic data server 7 or the diagnostic master itself.
• a diagnosis data server 7 executed as an industrial PC with the OPC server, ie with the OPC server application, additionally with one or more OPC clients, ie with one or more OPC client applications, be programmed for visualization.

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• 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)
• General Factory Administration (AREA)

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• 2009
  • 2009-09-15 DE DE102009041781A patent/DE102009041781A1/de not_active Withdrawn
• 2010
  • 2010-08-17 RU RU2012114792/08A patent/RU2012114792A/ru unknown
  • 2010-08-17 WO PCT/EP2010/061958 patent/WO2011032796A1/de active Application Filing
  • 2010-08-17 EP EP10742844A patent/EP2478422A1/de not_active Withdrawn
  • 2010-08-17 CN CN2010800410839A patent/CN102483624A/zh active Pending

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