EP4045989A1 - Control system for a technical installation with a visually coded trend curve diagram - Google Patents

Control system for a technical installation with a visually coded trend curve diagram

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Publication number
EP4045989A1
EP4045989A1 EP20816108.3A EP20816108A EP4045989A1 EP 4045989 A1 EP4045989 A1 EP 4045989A1 EP 20816108 A EP20816108 A EP 20816108A EP 4045989 A1 EP4045989 A1 EP 4045989A1
Authority
EP
European Patent Office
Prior art keywords
control system
operator station
measured value
technical
designed
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.)
Pending
Application number
EP20816108.3A
Other languages
German (de)
French (fr)
Inventor
Benjamin Lutz
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.)
Siemens AG
Original Assignee
Siemens 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 Siemens AG filed Critical Siemens AG
Publication of EP4045989A1 publication Critical patent/EP4045989A1/en
Pending legal-status Critical Current

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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
    • G05B23/00—Testing or monitoring of control systems or parts thereof
    • G05B23/02—Electric testing or monitoring
    • G05B23/0205—Electric testing or monitoring by means of a monitoring system capable of detecting and responding to faults
    • G05B23/0208—Electric testing or monitoring by means of a monitoring system capable of detecting and responding to faults characterized by the configuration of the monitoring system
    • G05B23/0216—Human interface functionality, e.g. monitoring system providing help to the user in the selection of tests or in its configuration
    • 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
    • G05B15/00—Systems controlled by a computer
    • G05B15/02—Systems controlled by a computer electric
    • 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
    • G05B2219/20—Pc systems
    • G05B2219/24—Pc safety
    • G05B2219/24103—Graphical display of proces as function of detected alarm signals

Definitions

  • the invention relates to a control system of a technical plant, which has at least one operator station server and an operator station client, with the features of claim 1.
  • XY trends or scatter diagrams have been established to check the respective working points.
  • two (procedural) process measured values are visualized as 2-tuples with the same time base together with a template characteristic.
  • the two process measured values can be, for example, the pressure and the temperature of a turbine.
  • the historical course of the 2-tuple can be displayed in order to be able to follow a trend of the 2-tuple operating point.
  • FIG. 1 shows an exemplary scatter diagram 1 with a pressure p along a Y axis and with a flow rate q along an X axis for checking an optimal working point A1, A2, A3 of the 2-tuple pressure / flow rate of a mixer with a Template characteristic 2 according to the prior art is presented.
  • the arrows PI, P2 indicate a historical course of the operating points A1, A2, A3.
  • the scatter diagram 1 is context-free from a procedural point of view, ie only the values of the process values (p and q) are shown with the same time base - important information on validity and context is missing. However, these would be very helpful for an efficient optimization of the working point A1, A2, A3 by an operator of the associated technical system.
  • the invention is based on the object of specifying a control system for a technical installation, which simplifies and makes more efficient optimization of an operating point of the technical installation by an operator of the technical installation.
  • the previously formulated object is achieved by a control system of a technical installation with the features of claim 1.
  • the control system has at least one operator station server and one operator station client, the operator station server having a visualization service for outputting image information to the operator station client.
  • the operator station server is designed to generate a scatter diagram with at least one operating point visualized in the scatter diagram from a first measured value belonging to a first technical object of the technical system and a second measured value belonging to a second technical object of the technical system.
  • the operator station server is designed to transmit the scatter diagram with the operating point to the operator station client using the visualization service.
  • the control system according to the invention is characterized in that it is designed to provide the at least one working point with a visual coding that generates based on an alarm status and / or a quality status of the first measured value associated with the at least one working point and the second measured value becomes.
  • the technical system can be a system from the process industry, such as a chemical, pharmaceutical, petrochemical or a system from the food and beverage industry. This also includes all systems from the production industry, plants in which, for example, cars or goods of all kinds are produced.
  • Technical systems that are suitable for carrying out the process according to the invention can also come from the field of energy generation. Wind turbines, solar systems or Power plants for generating energy are also included in the term technical system.
  • control system each have a control system or at least one computer-aided module for controlling and regulating the ongoing process or production.
  • a control system is understood to be a computer-aided technical system that includes functionalities for displaying, operating and managing a technical system such as a manufacturing or production plant.
  • the control system can include sensors for determining measured values as well as various actuators.
  • the control system can have so-called process-related components that are used to control the actuators or sensors.
  • the control system can have means for engineering, among other things.
  • the term control system also includes further processing units for more complex regulations and systems for data storage and processing.
  • an "operator station server” is understood to mean a server which centrally records data from an operating and monitoring system and, as a rule, alarm and measured value archives from a control system of a technical installation and makes them available to users (so-called operators)
  • the server usually establishes a communication connection to the automation systems of the technical system and forwards data from the technical system to the so-called operator station client, which is used to operate and monitor the operation of the individual functional elements of the technical system.
  • the operator station server can have client functions to access the data (archives, messages, tags, variables) of other operator station servers. This means that images of an operation in the technical system are on the operator station server with tags from other operator station servers (Server-server communication) can be combined.
  • the operator station server can, without being limited to this, be a SIMATIC PCS 7 industrial workstation server from SIEMENS.
  • An operator is understood to be a human operator of the technical system.
  • the operator interacts with the technical system or its control system by means of special user interfaces and controls special technical functions of the technical system.
  • the operator can use an operating and monitoring system (the operator station client in connection with the operator station server) of the control system.
  • a technical object is understood to be a self-contained technical unit that can be integrated into a higher-level control level.
  • Such a technical object can be, for example, an amalgamation of several measuring points or a larger part of an industrial plant.
  • the technical object does not have to come from the field of industrial plants, but can also be, for example, an engine module of an automobile, a ship or the like.
  • the control system is designed to provide the at least one working point with a visual coding that is generated on the basis of an alarm status and / or a quality status of the first measured value and the second measured value belonging to the at least one working point.
  • a visual coding that is generated on the basis of an alarm status and / or a quality status of the first measured value and the second measured value belonging to the at least one working point.
  • a white color of a work point shown in the diagram can signal an alarm status “no alarm”, a yellow color an alarm status “moderate alarm” and a red color an alarm status “severe alarm”.
  • the working point can, for example, have a square shape, for a quality status “medium” a “triangular shape” and for a quality status “bad” a diamond shape. This enables the operator to grasp the coding and the underlying status much more easily and quickly and react accordingly.
  • the scatter diagram can be switched to a continuous-time diagram, the control system being designed to display the first measured value, the second measured value and at least one operating point associated with the two measured values continuously in the continuous-time diagram , and wherein the control system is designed to provide the at least one working point in the continuous-time diagram with a visual coding that is generated on the basis of an alarm status and / or a quality status of the first measured value and the second measured value belonging to the at least one working point .
  • FIG. 3 shows a time-continuous diagram of a control system according to the invention.
  • FIG. 4 shows a schematic drawing of part of a control system according to the invention.
  • the operating point A4 has a certain color in FIG. 2 (symbolized here by hatching) which differs from the color of the alarmless operating point A1 and indicates the presence of an alarm from the (process) measured values on which the operating point A4 is based.
  • the second working point A5 in addition to the color deviating from the working point Al (also symbolized by hatching), has a shape that differs from the other two working points A1, A4 (the working point A5, in contrast to the rectangular shapes of the working points Al , A4 has a triangular shape).
  • This deviation indicates that there is a certain quality of the (process) measured values on which the operating point is based. Since an operating point A1, A2, A3, A4, A5 is assigned to a pair of measured values in the scatter diagram 1, the values at the operating point A1, A2, A3, A4, A5 are aggregated. The information about the actual source of the quality status or the alarm status (measured value p or measured value q) cannot be taken from the view of the scatter diagram 1 (see FIG. 2). The control system can therefore have a dynamic switching function between the scatter diagram 1 and a time-continuous diagram 3, the latter being shown in FIG.
  • the curve 4 running at the top in the drawing plane in FIG. 3 corresponds to a time-continuous representation of the (process) measured value p from FIG. 2.
  • the curve 5 running at the bottom in the drawing plane in FIG. 3 corresponds to a time-continuous representation of the (process) Measured value q from FIG. 2.
  • the (process) measured value p is responsible for the poor quality code (symbolized by the triangular shape) of the latest working point A5 from FIG.
  • the cause of the changed alarm status (different color indicated by hatching) is to be found in the (process) measured value p.
  • FIG. 4 shows part of a control system 6 according to the invention for a process plant.
  • the control system 6 comprises a server of an operating system or an operator station server 7 and an associated operator station client 8.
  • the operator station server 7 and the operator station client 8 are connected to one another via a terminal bus 9 and to other components of the control system 7 (not shown) like an engineering system server or a process data archive.
  • a user or operator has access to the operator station server 7 by means of the operator station client 8 by means of the terminal bus 9 in the context of operating and monitoring.
  • the terminal bus 9 can, without being limited to it, be designed, for example, as industrial Ethernet.
  • the operator station server 7 has a device interface 10 which is connected to a system bus 11.
  • the operator system server 7 can use this to communicate with an automation device 12 of the control system 6.
  • the plant bus 11 can, without being limited thereto, be designed, for example, as an industrial Ethernet.
  • the automation device 12 is in turn connected to at least one first technical object 13 and a second technical object 14.
  • the automation device 12 can also be connected to any number of further subsystems (not shown).
  • a visualization service 15 is integrated in the operator station server 7, via which (visualization) data can be transmitted to the operator station client 8.
  • the operator station server 7 has a process image 16 of the process plant.
  • a trend service 17 which is part of the visualization service 15, calculates an aggregation of a quality status and an alarm status for the individual working points A1, A2, A3, A4, A5 shown in the scatter diagram 1 (see FIG. 2 and FIG. 3).
  • the trend service 17 accesses process objects 18, 19 stored in the process image 16. These are in turn assigned to the first technical object 13 or the second technical object 14 and contain, among other things, the (process) measured values originating from the two technical objects 13, 14.
  • a separate alarm service 20 calculates an alarm status that each of the two process objects 18, 19 (or the associated process measured values) have at a current point in time and stores this information for further use by the trend service 17 in the process image 16.
  • the quality status for the aggregation in the working points A1, A2, A3, A4, A5 can be taken directly from the accompanying values of the respective process measured values.
  • the quality of a measured value can be influenced on different levels:
  • the quality levels of a measured value are usually standardized and are assigned by the different components of the control system 6. The operator cannot influence the quality status, he only gets it displayed.
  • the quality status can be expressed, for example, in the levels “good” (all ok), “uncertain” (“no value update received for a long time”) and “bad” (no update received for a long time / wire breakage detected / connection failure detected).
  • the trend service 17 also provides the switching functionality described above between the scatter diagram 1 and the time-continuous diagram 3.

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

Abstract

A control system (6) for a technical installation is proposed, which control system has at least an operator station server (7) and an operator station client (8), which operator station server (7) has a visualization service (17) for outputting image information to the operator station client (8), wherein the operator station server (7) is designed to use a first measured value associated with a first technical object (13) of the technical installation and a second measured value associated with a second technical object (14) of the technical installation to generate a scatter diagram (1) with at least one operating point (A1, A2, A3, A4, A5) visualized in the scatter diagram (1), and wherein the operator station server (7) is designed to transmit the scatter diagram (1) with the at least one operating point (A1, A2, A3, A4, A5) to the operator station client (8) by means of the visualization service (17). The control system (6) is characterized in that the control system (6) is designed to provide the at least one operating point (A1, A2, A3, A4, A5) with a visual coding which is generated on the basis of an alarm status and/or a quality status of the first measured value associated with the at least one operating point and of the second measured value.

Description

Beschreibung description
Leitsystem für eine technische Anlage mit visuell codiertem Trendkurvendiagramm Control system for a technical system with a visually coded trend curve diagram
Die Erfindung betrifft ein Leitsystem einer technischen Anla ge, welches wenigstens einen Operator Station Server und ei nen Operator Station Client aufweist, mit den Merkmalen des Anspruchs 1. The invention relates to a control system of a technical plant, which has at least one operator station server and an operator station client, with the features of claim 1.
Ein Ziel bei der Automatisierung verfahrenstechnischer Anla gen ist es, diese in ihren optimalen Arbeitspunkten zu be treiben. Zur Überprüfung der jeweiligen Arbeitspunkte haben sich so genannte XY-Trends bzw. Streudiagramme etabliert. Bei diesen XY-Trend-diagrammen werden zwei (verfahrenstechnische) Prozessmesswerte als 2-Tupel mit gleicher Zeitbasis zusammen mit einer Vorlagenkennlinie visualisiert. Bei den zwei Pro zessmesswerten kann es sich beispielsweise um den Druck und die Temperatur einer Turbine handeln. Darüber hinaus kann auch der historische Verlauf der 2-Tupel dargestellt werden, um einen Trend des 2-Tupel Arbeitspunktes verfolgen zu kön nen. One goal in the automation of process engineering systems is to operate them at their optimal operating points. So-called XY trends or scatter diagrams have been established to check the respective working points. With these XY trend diagrams, two (procedural) process measured values are visualized as 2-tuples with the same time base together with a template characteristic. The two process measured values can be, for example, the pressure and the temperature of a turbine. In addition, the historical course of the 2-tuple can be displayed in order to be able to follow a trend of the 2-tuple operating point.
In FIG 1 ist ein beispielhaftes Streudiagramm 1 mit einem Druck p entlang einer Y-Achse und mit einem Durchfluss q ent lang einer X-Achse zur Überprüfung eines optimalen Arbeits punktes Al, A2, A3 des 2-Tupels Druck/Durchfluss eines Mixers mit einer Vorlagenkennlinie 2 nach dem Stand der Technik dar gestellt. Die Pfeile PI, P2 weisen auf einen historischen Verlauf der Arbeitspunkte Al, A2, A3 hin. Wie in FIG 1 er kennbar, ist das Streudiagramm 1 aus verfahrenstechnischer Sicht kontextfrei, d.h. es werden lediglich die Werte der Prozesswerte (p und q) mit gleicher Zeitbasis dargestellt - wichtige Informationen zur Validität und Kontext fehlen. Die se wären jedoch für eine effiziente Optimierung des Arbeits punktes Al, A2, A3 durch einen Operator der dazugehörigen technischen Anlage sehr hilfreich. Der Erfindung liegt die Aufgabe zugrunde, ein Leitsystem für eine technische Anlage anzugeben, welches eine Optimierung eines Arbeitspunktes der technischen Anlage durch einen Ope rator der technischen Anlage vereinfacht und effizienter ge staltet. 1 shows an exemplary scatter diagram 1 with a pressure p along a Y axis and with a flow rate q along an X axis for checking an optimal working point A1, A2, A3 of the 2-tuple pressure / flow rate of a mixer with a Template characteristic 2 according to the prior art is presented. The arrows PI, P2 indicate a historical course of the operating points A1, A2, A3. As can be seen in FIG. 1, the scatter diagram 1 is context-free from a procedural point of view, ie only the values of the process values (p and q) are shown with the same time base - important information on validity and context is missing. However, these would be very helpful for an efficient optimization of the working point A1, A2, A3 by an operator of the associated technical system. The invention is based on the object of specifying a control system for a technical installation, which simplifies and makes more efficient optimization of an operating point of the technical installation by an operator of the technical installation.
Die zuvor formulierte Aufgabe wird durch ein Leitsystem einer technischen Anlage mit den Merkmalen des Anspruchs 1 gelöst. Das Leitsystem weist wenigstens einen Operator Station Server und einen Operator Station Client auf, wobei der Operator Station Server einen Visualisierungsdienst zur Ausgabe von Bildinformationen an den Operator Station Client aufweist.The previously formulated object is achieved by a control system of a technical installation with the features of claim 1. The control system has at least one operator station server and one operator station client, the operator station server having a visualization service for outputting image information to the operator station client.
Der Operator Station Server ist dazu ausgebildet, aus einem ersten, zu einem ersten technischen Objekt der technischen Anlage gehörigen Messwert und einem zweiten, zu einem zweiten technischen Objekt der technischen Anlage gehörigen Messwert ein Streudiagramm mit wenigstens einem in dem Streudiagramm visualisierten Arbeitspunkt zu erzeugen. Zudem ist der Opera tor Station Server dazu ausgebildet, das Streudiagramm mit dem Arbeitspunkt mittels des Visualisierungsdienstes an den Operator Station Client zu übertragen. The operator station server is designed to generate a scatter diagram with at least one operating point visualized in the scatter diagram from a first measured value belonging to a first technical object of the technical system and a second measured value belonging to a second technical object of the technical system. In addition, the operator station server is designed to transmit the scatter diagram with the operating point to the operator station client using the visualization service.
Das erfindungsgemäße Leitsystem ist dadurch gekennzeichnet, dass es dazu ausgebildet ist, den wenigstens einen Arbeits punkt mit einer visuellen Codierung zu versehen, die auf Ba sis eines Alarmstatus und/oder eines Qualitätsstatus des zu dem wenigstens einen Arbeitspunkt gehörigen ersten Messwerts und des zweiten Messwerts erzeugt wird. The control system according to the invention is characterized in that it is designed to provide the at least one working point with a visual coding that generates based on an alarm status and / or a quality status of the first measured value associated with the at least one working point and the second measured value becomes.
Bei der technischen Anlage kann es sich um eine Anlage aus der Prozessindustrie wie beispielsweise eine chemische, phar mazeutische, petrochemische oder eine Anlage aus der Nah rungs- und Genussmittelindustrie handeln. Hiermit umfasst sind auch jegliche Anlagen aus der Produktionsindustrie, Wer ke, in denen z.B. Autos oder Güter aller Art produziert wer den. Technische Anlagen, die zur Durchführung des erfindungs gemäßen Verfahrens geeignet sind, können auch aus dem Bereich der Energieerzeugung kommen. Windräder, Solaranlagen oder Kraftwerke zur Energieerzeugung sind ebenso von dem Begriff der technischen Anlage umfasst. The technical system can be a system from the process industry, such as a chemical, pharmaceutical, petrochemical or a system from the food and beverage industry. This also includes all systems from the production industry, plants in which, for example, cars or goods of all kinds are produced. Technical systems that are suitable for carrying out the process according to the invention can also come from the field of energy generation. Wind turbines, solar systems or Power plants for generating energy are also included in the term technical system.
Diese Anlagen verfügen jeweils über ein Leitsystem oder zu mindest ein computerunterstütztes Modul zur Steuerung und Re gelung des ablaufenden Prozesses oder der Produktion. Unter einem Leitsystem wird im vorliegenden Kontext ein computerge stütztes technisches System verstanden, das Funktionalitäten zum Darstellen, Bedienen und Leiten eines technischen Systems wie einer Fertigungs- oder Produktionsanlage umfasst. Das Leitsystem kann neben dem im vorliegenden Fall vorgesehenen Operator Station Server und dem Operator Station Client Sen soren zur Ermittlung von Messwerten sowie verschiedene Akto ren umfassen. Zudem kann das Leitsystem sogenannte prozessna he Komponenten, die zur Ansteuerung der Aktoren bzw. Sensoren dienen, aufweisen. Darüber hinaus kann das Leitsystem u.a. Mittel zu einem Engineering aufweisen. Unter dem Begriff Leitsystem sind zusätzlich auch weitere Recheneinheiten für komplexere Regelungen und Systeme zur Datenspeicherung und - Verarbeitung zu fassen. These systems each have a control system or at least one computer-aided module for controlling and regulating the ongoing process or production. In the present context, a control system is understood to be a computer-aided technical system that includes functionalities for displaying, operating and managing a technical system such as a manufacturing or production plant. In addition to the operator station server and the operator station client provided in the present case, the control system can include sensors for determining measured values as well as various actuators. In addition, the control system can have so-called process-related components that are used to control the actuators or sensors. In addition, the control system can have means for engineering, among other things. The term control system also includes further processing units for more complex regulations and systems for data storage and processing.
Unter einem „Operator Station Server" wird vorliegend ein Server verstanden, der zentral Daten eines Bedien- und Be obachtungssystems sowie in der Regel Alarm- und Messwertar chive eines Leitsystems einer technischen Anlage erfasst und Benutzern (sogenannten Operatoren) zur Verfügung stellt. Der Operator Station Server stellt in der Regel eine Kommunikati onsverbindung zu Automatisierungssystemen der technischen An lage her und gibt Daten der technischen Anlage an den soge nannten Operator Station Client weiter, die zur Bedienung und Beobachtung eines Betriebs der einzelnen Funktionselemente der technischen Anlage dienen. In the present case, an "operator station server" is understood to mean a server which centrally records data from an operating and monitoring system and, as a rule, alarm and measured value archives from a control system of a technical installation and makes them available to users (so-called operators) The server usually establishes a communication connection to the automation systems of the technical system and forwards data from the technical system to the so-called operator station client, which is used to operate and monitor the operation of the individual functional elements of the technical system.
Der Operator Station Server kann über Client-Funktionen ver fügen, um auf die Daten (Archive, Meldungen, Tags, Variablen) anderer Operator Station Server zuzugreifen. Dadurch sind Bilder eines Betriebs der technischen Anlage auf dem Operator Station Server mit Variablen anderer Operator Station Server (Server-Server-Kommunikation) kombinierbar. Bei dem Operator Station Server kann es sich, ohne sich darauf zu beschränken, um einen SIMATIC PCS 7 Industrial Workstation Server der Fir ma SIEMENS handeln. The operator station server can have client functions to access the data (archives, messages, tags, variables) of other operator station servers. This means that images of an operation in the technical system are on the operator station server with tags from other operator station servers (Server-server communication) can be combined. The operator station server can, without being limited to this, be a SIMATIC PCS 7 industrial workstation server from SIEMENS.
Unter einem Operator wird ein menschlicher Bediener der tech nischen Anlage verstanden. Der Operator interagiert mittels spezieller Benutzerschnittstellen mit der technischen Anlage bzw. dessen Leitsystem und steuert spezielle technische Funk tionen der technischen Anlage. Hierzu kann der Operator ein Bedien- und Beobachtungssystem (den Operator Station Client in Verbindung mit dem Operator Station Server) des Leitsys tems nutzen. An operator is understood to be a human operator of the technical system. The operator interacts with the technical system or its control system by means of special user interfaces and controls special technical functions of the technical system. For this purpose, the operator can use an operating and monitoring system (the operator station client in connection with the operator station server) of the control system.
Unter einem technischen Objekt wird eine abgeschlossene tech nische Einheit verstanden, die in eine übergeordnete Steue rungsebene integrierbar ist. Ein solches technisches Objekt kann zum Beispiel ein Zusammenschluss mehrerer Messstellen oder ein größerer Anlagenteil einer industriellen Anlage sein. Das technische Objekt muss aber nicht dem Feld der In dustrieanlagen entstammen, sondern kann beispielsweise auch ein Motormodul eines Automobils, eines Schiffs oder derglei chen sein. A technical object is understood to be a self-contained technical unit that can be integrated into a higher-level control level. Such a technical object can be, for example, an amalgamation of several measuring points or a larger part of an industrial plant. However, the technical object does not have to come from the field of industrial plants, but can also be, for example, an engine module of an automobile, a ship or the like.
Erfindungsgemäß ist das Leitsystem dazu ausgebildet, den we nigstens einen Arbeitspunkt mit einer visuellen Codierung zu versehen, die auf Basis eines Alarmstatus und/oder eines Qua litätsstatus des zu dem wenigstens einen Arbeitspunkt gehöri gen ersten Messwerts und des zweiten Messwerts erzeugt wird. Durch die unmittelbare Darstellung eines Alarmstatus und/oder eines Qualitätsstatus erhält ein Operator eine direkte Aussa ge bezüglich einer Wertigkeit einer Optimierung eines Ar beitspunktes im Kontext eines Bedienens der technischen Anla ge. Die Effizienz des Optimierens des Arbeitspunktes kann durch das erfindungsgemäße Leitsystem deutlich gesteigert werden. Die visuelle Codierung kann eine Farbcodierung und/oder eine Formcodierung umfassen, um den Alarmstatus und/oder den Qua litätsstatus besonders effizient darzustellen. Beispielsweise kann eine weiße Farbe eines in dem Diagramm dargestellten Ar beitspunktes einen Alarmstatus „Kein Alarm, eine gelbe Farbe einen Alarmstatus „Mittelschwerer Alarm" und eine rote Farbe einen Alarmstatus „Schwerer Alarm" signalisieren. Für einen Qualitätsstatus „gut" kann der Arbeitspunkt beispielsweise eine Quadratform, für einen Qualitätsstatus „mittel" eine „Dreiecksform" und für einen Qualitätsstatus „schlecht" eine Rautenform aufweisen. Dadurch kann der Operator deutlich ein facher und schneller die Codierung und die zugrundliegenden Status erfassen und entsprechend reagieren. According to the invention, the control system is designed to provide the at least one working point with a visual coding that is generated on the basis of an alarm status and / or a quality status of the first measured value and the second measured value belonging to the at least one working point. Through the direct display of an alarm status and / or a quality status, an operator receives a direct statement regarding the value of an optimization of a work point in the context of operating the technical system. The efficiency of the optimization of the operating point can be significantly increased by the control system according to the invention. The visual coding can include color coding and / or shape coding in order to display the alarm status and / or the quality status particularly efficiently. For example, a white color of a work point shown in the diagram can signal an alarm status “no alarm”, a yellow color an alarm status “moderate alarm” and a red color an alarm status “severe alarm”. For a quality status “good”, the working point can, for example, have a square shape, for a quality status “medium” a “triangular shape” and for a quality status “bad” a diamond shape. This enables the operator to grasp the coding and the underlying status much more easily and quickly and react accordingly.
Im Rahmen einer bevorzugten Weiterbildung der Erfindung ist das Streudiagramm in ein zeitkontinuierliches Diagramm um- schaltbar ist, wobei das Leitsystem dazu ausgebildet ist, in dem zeitkontinuierlichen Diagramm den ersten Messwert, den zweiten Messwert und wenigstens einen, zu den beiden Messwer ten gehörigen Arbeitspunkt zeitkontinuierlich darzustellen, und wobei das Leitsystem dazu ausgebildet ist, den wenigstens einen Arbeitspunkt in dem zeitkontinuierlichen Diagramm mit einer visuellen Codierung zu versehen, die auf Basis eines Alarmstatus und/oder eines Qualitätsstatus des zu dem wenigs tens einen Arbeitspunkt gehörigen ersten Messwerts und des zweiten Messwerts erzeugt wird. As part of a preferred development of the invention, the scatter diagram can be switched to a continuous-time diagram, the control system being designed to display the first measured value, the second measured value and at least one operating point associated with the two measured values continuously in the continuous-time diagram , and wherein the control system is designed to provide the at least one working point in the continuous-time diagram with a visual coding that is generated on the basis of an alarm status and / or a quality status of the first measured value and the second measured value belonging to the at least one working point .
Durch die Möglichkeit, von dem Streudiagramm in ein zeitkon tinuierliches Diagramm umzuschalten, kann eine Ursache für einen bestimmten Alarmstatus und/oder Qualitätsstatus schnel ler ermittelt werden. Es sei hierzu auf die Beschreibung der Ausführungsbeispiele (insbesondere FIG 3) verwiesen, wo der Vorteil dieser Merkmalsausprägung klar ersichtlich wird. With the option of switching from the scatter diagram to a continuous-time diagram, a cause for a specific alarm status and / or quality status can be determined more quickly. In this regard, reference is made to the description of the exemplary embodiments (in particular FIG. 3), where the advantage of this characteristic expression is clearly evident.
Die oben beschriebenen Eigenschaften, Merkmale und Vorteile dieser Erfindung sowie die Art und Weise, wie diese erreicht werden, werden klarer und deutlicher verständlich im Zusam menhang mit der folgenden Beschreibung des Ausführungsbei- spiels, das im Zusammenhang mit den Zeichnungen näher erläu tert wird. The above-described properties, features and advantages of this invention and the manner in which they are achieved will become clearer and more clearly understood in connection with the following description of the exemplary embodiment. game, which is explained in more detail in connection with the drawings.
Es zeigen: Show it:
FIG 1 ein Streudiagramm gemäß dem Stand der Technik; 1 shows a scatter diagram according to the prior art;
FIG 2 ein Streudiagramm eines erfindungsgemäßen Leitsys tems; 2 shows a scatter diagram of a control system according to the invention;
FIG 3 ein zeitkontinuierliches Diagramm eines erfin dungsgemäßen Leitsystems; und 3 shows a time-continuous diagram of a control system according to the invention; and
FIG 4 eine schematische Zeichnung eines Teils eines er findungsgemäßen Leitsystems. 4 shows a schematic drawing of part of a control system according to the invention.
FIG 2 zeigt im Wesentlichen dasselbe Streudiagramm 1 wie FIG 1. Im Gegensatz zu dem an sich bekannten Streudiagramm 1 gemäß FIG 1 sind in dem Streudiagramm 1 zwei Arbeitspunkte A4, A5 dargestellt, die jeweils eine visuelle Codierung auf weisen, die auf Basis eines Alarmstatus und/oder eines Quali tätsstatus eines zu dem wenigstens einen Arbeitspunkt gehöri gen ersten Messwerts und eines zweiten Messwerts erzeugt wird. Der Arbeitspunkt A4 weist in FIG 2 eine bestimmte Farbe auf (hier durch eine Schraffierung symbolisiert), die von der Farbe des alarmlosen Arbeitspunkts Al abweicht und auf das Vorhandensein eines Alarms von dem Arbeitspunkts A4 zugrunde liegenden (Prozess-)Messwerten hinweist. Der zweite Arbeits punkt A5 weist zusätzlich zu der von dem Arbeitspunkt Al ab weichenden Farbe (ebenfalls durch eine Schraffur symboli siert) eine von den anderen beiden Arbeitspunkten Al, A4 ab weichende Form auf (der Arbeitspunkt A5 weist im Gegensatz zu den Rechtecksformen der Arbeitspunkte Al, A4 eine dreieckige Form auf). Diese Abweichung deutet darauf hin, dass eine be stimmte Qualität der dem Arbeitspunkt zugrunde liegenden (Prozess-)Messwerte vorliegt. Da in dem Streudiagramm 1 ein Arbeitspunkt Al, A2, A3, A4, A5 jeweils einem Messwertpaar zugeordnet ist, handelt es sich bei dem in dem Arbeitspunkt Al, A2, A3, A4, A5 um aggregierte Werte. Die Information über die tatsächliche Quelle des Qua litätsstatus oder des Alarmstatus (Messwert p oder Messwert q) ist der Ansicht des Streudiagramms 1 (vgl. FIG 2) nicht zu entnehmen. Das Leitsystem kann daher über eine dynamische Um schaltfunktion zwischen dem Streudiagramm 1 und einem zeit kontinuierlichen Diagramm 3 verfügen, wobei letzteres in FIG 3 dargestellt ist. 2 shows essentially the same scatter diagram 1 as FIG 1. In contrast to the known scatter diagram 1 according to FIG / or a quality status of a first measured value belonging to the at least one operating point and a second measured value is generated. The operating point A4 has a certain color in FIG. 2 (symbolized here by hatching) which differs from the color of the alarmless operating point A1 and indicates the presence of an alarm from the (process) measured values on which the operating point A4 is based. The second working point A5, in addition to the color deviating from the working point Al (also symbolized by hatching), has a shape that differs from the other two working points A1, A4 (the working point A5, in contrast to the rectangular shapes of the working points Al , A4 has a triangular shape). This deviation indicates that there is a certain quality of the (process) measured values on which the operating point is based. Since an operating point A1, A2, A3, A4, A5 is assigned to a pair of measured values in the scatter diagram 1, the values at the operating point A1, A2, A3, A4, A5 are aggregated. The information about the actual source of the quality status or the alarm status (measured value p or measured value q) cannot be taken from the view of the scatter diagram 1 (see FIG. 2). The control system can therefore have a dynamic switching function between the scatter diagram 1 and a time-continuous diagram 3, the latter being shown in FIG.
Die in FIG 3 in der Zeichenebene oben verlaufende Kurve 4 entspricht einer zeitkontinuierlichen Darstellung des (Pro zess-)Messwertes p aus FIG 2. Die in FIG 3 in der Zeichenebe ne unten verlaufende Kurve 5 entspricht einer zeitkontinuier- lichen Darstellung des (Prozess-)Messwertes q aus FIG 2. The curve 4 running at the top in the drawing plane in FIG. 3 corresponds to a time-continuous representation of the (process) measured value p from FIG. 2. The curve 5 running at the bottom in the drawing plane in FIG. 3 corresponds to a time-continuous representation of the (process) Measured value q from FIG. 2.
Wie aus FIG 3 ersichtlich wird, ist für den schlechten Quali tätscode (durch dreieckige Form symbolisiert) des neusten Ar beitspunktes A5 aus FIG 2 der (Prozess-)Messwert p verant wortlich. Zudem ist unmittelbar zu erkennen, dass auch die Ursache für den geänderten Alarmstatus (durch Schraffur ge kennzeichnete, abweichende Farbe) in dem (Prozess-)Messwert p zu suchen ist. As can be seen from FIG. 3, the (process) measured value p is responsible for the poor quality code (symbolized by the triangular shape) of the latest working point A5 from FIG. In addition, it can be seen immediately that the cause of the changed alarm status (different color indicated by hatching) is to be found in the (process) measured value p.
In der zeitkontinuierlichen Darstellung (FIG 3) ist es mög lich, einen definierten historischen Bereich auszuwählen, für den die historischen Arbeitspunkte Al, A2, A3, A4, A5 über prüft werden sollen. In the continuous-time display (FIG 3) it is possible, please include to select a defined historical area for which the historical operating points A1, A2, A3, A4, A5 are to be checked.
In FIG 4 ist ein Teil eines erfindungsgemäßen Leitsystems 6 einer Prozessanlage dargestellt. Das Leitsystem 6 umfasst ei nen Server eines Bediensystems bzw. einen Operator Station Server 7 und einen dazugehörigen Operator Station Client 8. Der Operator Station Server 7 und der Operator Station Client 8 sind über einen Terminalbus 9 miteinander und mit nicht dargestellten weiteren Komponenten des Leitsystems 7 wie ei nem Engineering System Server oder einem Prozessdatenarchiv verbunden. Ein Benutzer bzw. Operator hat mittels des Operator Station Clients 8 mittels des Terminalbus 9 im Kontext eines Bedie- nens und Beobachtens Zugriff auf den Operator Station Server 7. Der Terminalbus 9 kann, ohne sich darauf zu beschränken, beispielsweise als Industrial Ethernet ausgebildet sein. FIG. 4 shows part of a control system 6 according to the invention for a process plant. The control system 6 comprises a server of an operating system or an operator station server 7 and an associated operator station client 8. The operator station server 7 and the operator station client 8 are connected to one another via a terminal bus 9 and to other components of the control system 7 (not shown) like an engineering system server or a process data archive. A user or operator has access to the operator station server 7 by means of the operator station client 8 by means of the terminal bus 9 in the context of operating and monitoring. The terminal bus 9 can, without being limited to it, be designed, for example, as industrial Ethernet.
Der Operator Station Server 7 weist eine Geräteschnittstelle 10 auf, die mit einem Anlagenbus 11 verbunden ist. Hierüber kann der Operator System Server 7 mit einem Automatisierungs gerät 12 des Leitsystems 6 kommunizieren. Der Anlagenbus 11 kann, ohne sich darauf zu beschränken, beispielsweise als In dustrial Ethernet ausgebildet sein. Das Automatisierungsgerät 12 ist wiederum mit wenigstens einem ersten technischen Ob jekt 13 und einem zweiten technischen Objekt 14 verbunden.The operator station server 7 has a device interface 10 which is connected to a system bus 11. The operator system server 7 can use this to communicate with an automation device 12 of the control system 6. The plant bus 11 can, without being limited thereto, be designed, for example, as an industrial Ethernet. The automation device 12 is in turn connected to at least one first technical object 13 and a second technical object 14.
Das Automatisierungsgerät 12 kann zudem mit einer beliebigen Anzahl an weiteren Subsystemen (nicht dargestellt) verbunden sein. The automation device 12 can also be connected to any number of further subsystems (not shown).
In dem Operator Station Server 7 ist ein Visualisierungs dienst 15 integriert, über den eine Übertragung von (Visuali- sierungs-)Daten an den Operator Station Client 8 erfolgen kann. Zudem weist der Operator Station Server 7 ein Prozess abbild (Process Image) 16 der Prozessanlage auf. A visualization service 15 is integrated in the operator station server 7, via which (visualization) data can be transmitted to the operator station client 8. In addition, the operator station server 7 has a process image 16 of the process plant.
Ein Trenddienst 17, der Teil des Visualisierungsdienstes 15 ist, berechnet eine Aggregation eines Qualitätsstatus und ei nes Alarmstatus für die einzelnen, in dem Streudiagramm 1 dargestellten Arbeitspunkte Al, A2, A3, A4, A5 (vgl. FIG 2 und FIG 3). Dabei greift der Trenddienst 17 auf in dem Pro zessabbild 16 hinterlegte Prozessobjekte 18, 19 zu. Diese sind wiederum dem ersten technischen Objekt 13 bzw. dem zwei ten technischen Objekt 14 zugeordnet und beinhalten unter an derem die von den beiden technischen Objekten 13, 14 stammen den (Prozess-)Messwerte. Einen Alarmstatus, den jedes der beiden Prozessobjekte 18, 19 (bzw. die dazugehörigen Prozess messwerte) zu einem aktuellen Zeitpunkt aufweisen, berechnet ein separater Alarmdienst 20 und hinterlegt diese Information zur weiteren Verwendung durch den Trenddienst 17 in dem Pro zessabbild 16. Die Qualitätsstatus für die Aggregation in den Arbeitspunkten Al, A2, A3, A4, A5 können direkt aus Begleit werten der jeweiligen Prozessmesswerte entnommen werden. A trend service 17, which is part of the visualization service 15, calculates an aggregation of a quality status and an alarm status for the individual working points A1, A2, A3, A4, A5 shown in the scatter diagram 1 (see FIG. 2 and FIG. 3). The trend service 17 accesses process objects 18, 19 stored in the process image 16. These are in turn assigned to the first technical object 13 or the second technical object 14 and contain, among other things, the (process) measured values originating from the two technical objects 13, 14. A separate alarm service 20 calculates an alarm status that each of the two process objects 18, 19 (or the associated process measured values) have at a current point in time and stores this information for further use by the trend service 17 in the process image 16. The quality status for the aggregation in the working points A1, A2, A3, A4, A5 can be taken directly from the accompanying values of the respective process measured values.
Die Qualität eines Messwertes kann dabei auf unterschiedli chen Ebenen beeinflusst werden: The quality of a measured value can be influenced on different levels:
- Im Feld, wenn beispielsweise ein Drahtbruch erkannt wird- In the field, for example if a wire break is detected
- In dem Automatisierungsgerät 13, wenn die Verbindung zum Feld unterbrochen ist - In the automation device 13 when the connection to the field is interrupted
- In dem Operator Station Server 7, wenn die Verbindung zu dem Automatisierungsgerät 13 unterbrochen ist. - In the operator station server 7 when the connection to the automation device 13 is interrupted.
Die Qualitätsstufen eines Messwertes sind in der Regel ge normt und werden durch die unterschiedlichen Komponenten des Leitsystems 6 vergeben. Der Operator kann den Qualitätsstatus nicht beeinflussen, er bekommt ihn lediglich angezeigt. Der Qualitätsstatus kann beispielsweise in den Stufen „good" (al les ok), „uncertain" („längere" Zeit keine Werteupdate bekom men) und „bad" (lange Zeit kein update bekommen / Drahtbruch festgestellt / Verbindungsausfall festgestellt) ausgedrückt werden. The quality levels of a measured value are usually standardized and are assigned by the different components of the control system 6. The operator cannot influence the quality status, he only gets it displayed. The quality status can be expressed, for example, in the levels “good” (all ok), “uncertain” (“no value update received for a long time”) and “bad” (no update received for a long time / wire breakage detected / connection failure detected).
Der Trenddienst 17 stellt weiterhin die zuvor beschriebene Umschaltfunktionalität zwischen dem Streudiagramm 1 und dem zeitkontinuierlichen Diagramm 3 zur Verfügung. The trend service 17 also provides the switching functionality described above between the scatter diagram 1 and the time-continuous diagram 3.
Obwohl die Erfindung im Detail durch das bevorzugte Ausfüh rungsbeispiel und die Figuren näher illustriert und beschrie ben wurde, so ist die Erfindung nicht durch die offenbarten Beispiele eingeschränkt und andere Variationen können vom Fachmann hieraus abgeleitet werden, ohne den Schutzumfang der Erfindung zu verlassen. Although the invention was illustrated and described in more detail by the preferred exemplary embodiment and the figures, the invention is not restricted by the disclosed examples and other variations can be derived therefrom by the person skilled in the art without departing from the scope of protection of the invention.

Claims

Patentansprüche Claims
1. Leitsystem (6) einer technischen Anlage, welches wenigs tens einen Operator Station Server (7) und einen Operator Station Client (8) aufweist, welcher Operator Station Server (7) einen Visualisierungs dienst (17) zur Ausgabe von Bildinformationen an den Operator Station Client (8) aufweist, wobei der Operator Station Server (7) dazu ausgebildet ist, aus einem ersten, zu einem ersten technischen Objekt (13) der technischen Anlage gehörigen Messwert, und einem zweiten, zu einem zweiten technischen Objekt (14) der technischen Anlage gehörigen Messwert ein Streudiagramm (1) mit wenigstens einem in dem Streudiagramm (1) visualisierten Arbeitspunkt (Al, A2, A3, A4, A5) zu erzeugen, und wobei der Operator Station Server (7) dazu ausgebildet ist, das Streudiagramm (1) mit dem wenigstens einen Arbeits punkt (Al, A2, A3, A4, A5) mittels des Visualisierungsdiens tes (17) an den Operator Station Client (8) zu übertragen, dadurch gekennzeichnet, dass das Leitsystem (6) dazu ausgebildet ist, den wenigstens einen Arbeitspunkt (Al, A2, A3, A4, A5) mit einer visuellen Codie rung zu versehen, die auf Basis eines Alarmstatus und eines Qualitätsstatus des zu dem wenigstens einen Arbeitspunkt ge hörigen ersten Messwerts und des zweiten Messwerts erzeugt wird. 1. Control system (6) of a technical system, which has at least one operator station server (7) and an operator station client (8), which operator station server (7) has a visualization service (17) for outputting image information to the operator Station client (8), the operator station server (7) being designed to use a first measured value belonging to a first technical object (13) of the technical system and a second measured value belonging to a second technical object (14) of the Technical system associated measured value to generate a scatter diagram (1) with at least one operating point (A1, A2, A3, A4, A5) visualized in the scatter diagram (1), and the operator station server (7) being designed to generate the scatter diagram ( 1) with the at least one working point (A1, A2, A3, A4, A5) to be transmitted to the operator station client (8) by means of the visualization service (17), characterized in that the control system (6) is designed to the to provide at least one working point (A1, A2, A3, A4, A5) with a visual Codie tion that is generated on the basis of an alarm status and a quality status of the first measured value belonging to the at least one working point and the second measured value.
2. Leitsystem (6) nach Anspruch 1, bei dem die visuelle Co dierung eine Farbcodierung und/oder eine Formcodierung um fasst. 2. Control system (6) according to claim 1, in which the visual coding comprises a color coding and / or a shape coding.
3. Leitsystem (6) nach einem der vorangegangenen Ansprüche, bei dem das Streudiagramm (1) in ein zeitkontinuierliches Di agramm (3) umschaltbar ist, wobei das Leitsystem (6) dazu ausgebildet ist, in dem zeit kontinuierlichen Diagramm (3) den ersten Messwert, den zwei- ten Messwert und wenigstens einen, zu den beiden Messwerten gehörigen Arbeitspunkt (Al, A2, A3, A4, A5) zeitkontinuier- lich darzustellen, und wobei das Leitsystem (6) dazu ausge bildet ist, den wenigstens einen Arbeitspunkt (Al, A2, A3, A4, A5) in dem zeitkontinuierlichen Diagramm (3) mit einer visuellen Codierung zu versehen, die auf Basis eines Alarm status und/oder eines Qualitätsstatus des zu dem wenigstens einen Arbeitspunkt (Al, A2, A3, A4, A5) gehörigen ersten Messwerts und des zweiten Messwerts erzeugt wird. 3. Control system (6) according to one of the preceding claims, in which the scatter diagram (1) can be switched to a continuous-time Di agramm (3), wherein the control system (6) is designed to in the time-continuous diagram (3) the first Measured value, the two th measured value and at least one working point (A1, A2, A3, A4, A5) belonging to the two measured values, and the control system (6) being designed to display the at least one working point (A1, A2, A3 , A4, A5) in the time-continuous diagram (3) to be provided with a visual coding based on an alarm status and / or a quality status of the first measured value belonging to the at least one working point (A1, A2, A3, A4, A5) and the second measured value is generated.
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