EP1519337B1 - Procédé et dispositif pour communiquer avec un équipement - Google Patents

Procédé et dispositif pour communiquer avec un équipement Download PDF

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Publication number
EP1519337B1
EP1519337B1 EP20040022460 EP04022460A EP1519337B1 EP 1519337 B1 EP1519337 B1 EP 1519337B1 EP 20040022460 EP20040022460 EP 20040022460 EP 04022460 A EP04022460 A EP 04022460A EP 1519337 B1 EP1519337 B1 EP 1519337B1
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EP
European Patent Office
Prior art keywords
communication device
operating mode
connection
terminal
normal operating
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.)
Active
Application number
EP20040022460
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German (de)
English (en)
Other versions
EP1519337A2 (fr
EP1519337A3 (fr
Inventor
Gottfried Rieger
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
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Siemens AG
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Publication of EP1519337A3 publication Critical patent/EP1519337A3/fr
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Publication of EP1519337B1 publication Critical patent/EP1519337B1/fr
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    • G—PHYSICS
    • G08—SIGNALLING
    • G08C—TRANSMISSION SYSTEMS FOR MEASURED VALUES, CONTROL OR SIMILAR SIGNALS
    • G08C19/00—Electric signal transmission systems

Definitions

  • the invention relates to a method and a device for communication with a system, in particular for operating and monitoring an automation system in industrial production.
  • Output devices or in other words observation devices, are, for example, warning lights, alphanumeric or graphic displays which inform the plant operator about the current state of the plant.
  • Input devices or in other words HMI devices, are, for example, switches, rotary knobs or keyboards for alphanumeric input, which allow the operator to interact with the system.
  • From the US 6,026,352 A is a method and apparatus for performing device and process diagnostics for field devices in the industrial environment known.
  • the field devices can log on to a higher-level control via a fieldbus and are thereby checked and initialized by means of a test routine.
  • control and monitoring devices for the purpose of communication between the user and the system so-called control and monitoring devices, hereinafter referred to as communication device, fixed to the system itself or eg in the production hall in which the system is installed.
  • a typical communication device has a handy housing on which input and output devices are arranged. The data exchange with the system or with its control takes place via a permanently installed connection cable.
  • connection For reasons of handling the cable length of such a communication device is limited to a few meters. For very large plants, e.g. extend over 50 or more meters, are therefore along the system several so-called connection points or connection boxes, hereinafter referred to as connection, firmly attached to the system.
  • the cable attached to the communication device can be plugged with its remote end into one of these ports.
  • the connection consists essentially of a fieldbus interface in combination with a power supply for the passive, so no own power supply containing communication device. All plant-wide data is available on the communication device via the fieldbus.
  • a detection of the contagion of the communication device is done so far, by a separate line a yes / no signal for the assignment of the terminal is transmitted from this to the plant control.
  • a start screen is presented on the communication device, from which the operator penetrates by selecting appropriate submenus to the corresponding process data of the system, which are just interesting for him. This is, for example, information about the plant part in front of which the operator is currently located. Especially with very large systems that provide a variety of information on the communication device, it is often very tedious for the operator to advance to the desired information. After each connection of the communication device to another connection, this procedure must be repeated, since the communication device behaves the same after connecting to each connection.
  • the object of the present invention is to provide a method and a device in order to enable a simpler operation of the communication device.
  • connection of the communication device can via a connection line or even stationary, e.g. by placing it in a docking station attached to the system.
  • the communication device is detachable from the connection at any time, e.g. to be reconnected to another location of the machine.
  • the identifier identifies the connection, for example, with a name assigned to it in the form of an alphanumeric character string such as "machine center” or with a running number, for example also printed on the connection, such as "03". In any case, the identifier uniquely describes a particular port.
  • the identifier is transmitted to the communication device, in an initialization, which follows the connection of the communication device with the terminal, the identifier is in the communication device from then available and can be used there.
  • the initialization mode is upstream of the normal mode.
  • the identifier is available when the communication device changes to the normal mode for process coupling with the system.
  • This information can be used in the communication device, e.g. to display information about the port.
  • certain security features are unlocked that are not available in the communication device when it is connected to other ports.
  • the connection enabling the safety functions is in this case e.g. only accessible to the factory manager.
  • connections are present at the system and during the initialization operation, a different identifier is transmitted from each connection to the communication device.
  • a clear information available to which of the various ports the communication device is currently connected can be displayed on the display of the communication device, for example, this information.
  • the user can then click on e.g. directly select a submenu corresponding to the connection in the software of the communication device and thus reaches quickly and safely to information that are relevant for him at the relevant connection location.
  • a plurality of normal operating modes are provided in the communication device.
  • a normal mode is selected, after the initialization operation, the communication device changes to the selected normal mode.
  • the normal modes may differ, for example, in that different information is provided in the normal modes. This information can be like this be chosen that they only provide information about the condition of the system in the immediate area of a particular connection location of the communication device. Since the normal operating mode is selected as a function of the identifier and thus dependent on the connection location at which the device is currently located, an automatic selection of process data is possible, which is displayed at a specific connection location of the communication device. A connection point-dependent operator prompt is possible.
  • the selection of the information is facilitated or decreased for the operator, the amount of information displayed can be severely limited and reduced to the essential.
  • the user is at any time at each port only a few, clearly presented on the communication device information to be presented. This improves the clarity in the operation of the communication device.
  • the operator can only perform the actions enabled at the connection point. This serves the operational safety, since he can not carry out certain operating errors there, thus at a certain place "nothing wrong" can do.
  • the data is exchanged between system and communication device via a data protocol in the normal mode.
  • the identifier is transmitted using the same data protocol.
  • existing communication devices can possibly be upgraded by pure modification of the operating program and without interference in their hardware for the inventive method. This brings a significant cost advantage for the plant operator as he does not need to purchase new communication devices.
  • the cable leading to the communication device is not too thick and unwieldy by additional lines and the number of assignable identifiers is not limited.
  • the object underlying the invention is further achieved by a device for communication with a system, in particular for operating or observing an automation system in industrial production, wherein the system has a connection for a communication device for data exchange with the system.
  • the communication device is operable in an initialization mode or in a normal mode.
  • the connection is associated with a memory device in which an identifier is stored, which uniquely identifies the connection.
  • the identifier is transferable to the communication device during the initialization operation.
  • the memory device may be a memory module separately present in the system, which may be e.g. is connected in particular to the system control and the connection via the plant-internal fieldbus.
  • the identifier is stored as a fixed value or string.
  • the memory device is connected to the connection of the communication device with this, so that the identifier during the initialization to the communication device is transferable. With the device, the method mentioned in claim 1 can perform what leads to the advantages mentioned there.
  • the storage device is subsequently integrated.
  • the connection as an entire structural unit includes, for example, a memory device in the form of a DIP switch. If the memory device is subsequently integrated, then it is also spatially arranged directly at the connection. The assignment between stored in the memory device identifier and connection is thus, for example, during maintenance at any time directly verifiable or adjustable on the connection. When exchanging a mechanically defective connection with an integrated memory device, for example, it can again be assigned the identifier identifying the connection during replacement.
  • a further preferred embodiment provides that the system has a plurality of terminals and each terminal is assigned a different identifier which can be transmitted by the latter to the communication apparatus during the initialization operation. If each port is assigned a different identifier, each port is clearly identified.
  • the normal operating mode assigned to the transmitted identifier can be selected after passing through the initialization mode and the communication device can change to the selected normal operating mode.
  • a preferred embodiment of the invention provides that the communication device can be connected to the connection via a data line, and both the communication data from and to the system and the identifier can be transmitted via the data line.
  • This makes it possible for communication devices which have a data line for process coupling, that is to say for exchanging the communication data from and to the system, that the identifier can also be transmitted via the same data line.
  • Existing communication devices thus need not be extended to additional lines for the identification transmission and can be operated with the inventive method only by modifying their operating program.
  • Fig. 1 shows an automation system 2 for industrial production with a connected to her communication device 4.
  • the automation system 2 includes a machine 6, the machine 6 monitoring controller 8 and three terminals 10a-c, to which the communication device 4 can be connected. All said components of the automation system 2 are connected to each other via a field bus 12 for mutual data exchange.
  • a memory device 14 is included in each of the terminals 10a-c.
  • Each memory device 14 stores a numerical value which is uniquely assigned to the corresponding connector 10a-c. This numerical value serves as identifier for the corresponding connection 10a-c.
  • the terminal 10a thus carries the identifier "01", the terminal 10b "02", etc.
  • connection socket 16 Each terminal 10a-c has a connection socket 16.
  • the connection sockets 16 and memory devices 14 are also connected to the field bus 12.
  • a voltage supply not shown, is also integrated.
  • the communication device 4 which is shown in plan view, has at its top buttons 18, which serve the operation of the communication device 4 and the controller 6 of the automation system 2. Furthermore, a display 20 is present on the communication device 4, on which process data of the automation system 2 and operating instructions of the communication device 4 are displayed. On the communication device 4, a connecting line 22 is attached to a connector 24 which can be inserted into the connection sockets 16.
  • Fig. 1 the communication device is connected to the automation system 2 via the terminal 10a (solid Line).
  • the communication device 4 such an unillustrated operator can operate and monitor the automation system 2, so is with this in so-called process coupling.
  • An alternative connection possibility of the connecting line 22 at the terminal 10b is shown by the dashed line, so it is in both cases to the same connecting line 22nd
  • no communication device 4 is connected to any of the connections 10a-c.
  • the connection is made only when the automation system 2, e.g. serviced or monitored for maintenance purposes.
  • the connector 24 is inserted into the connector 16 of the terminal 10a.
  • the power supply in the socket 16 the power supply of the communication device 4 via the connecting line 22.
  • this goes into an initialization, ie the electronics in the communication device 4 starts and starts its operating software.
  • a connection is established by the communication device 4 to the field bus 12 via the connection line 22. Since the communication device 4 is still in the initialization mode, the identifier stored in the memory device 14 is now transmitted via the field bus 12 and the connection line 22 to the communication device 4. In Fig. 1 this is the ID "01". The communication during the entire initialization operation takes place along the communication path 26, which in Fig. 1 is shown by a double arrow, which runs between the memory device 14 and the communication device 4.
  • the transmitted identifier "01" is now evaluated by the program in the communication device 4, whereupon the communication device 4 recognizes that it is connected to the connection 10a.
  • This information can now either be displayed on the display 20 or it can one of several possible normal modes, namely the identifier "01" corresponding to be selected.
  • the communication device 4 switches to the selected normal mode. Since the normal mode has been selected according to the identifier "01" in the present case, in this mode, e.g. only data from the machine part 30 of the automation system 2 is shown, which the operator carrying the communication device 4 can see from a location on the connection 10a.
  • communication between the communication device 4 and the automation system 2 takes place via the communication path 28 represented by a double arrow.
  • the communication device 4 has access to the machine 6 via the connection line 22, the connection 10a, the field bus 12, the controller 8 to operate and monitor their system parameters.
  • connection 10a If the machine 6 is very large, then only the machine part 30 of the machine 6 is visible from the connection 10a. In order to be able to view the machine part 32 of the machine, the plant operator must, for example, go to the connection 10b, from where this machine part 32 is visible. Carrying the communication device 4, the operator removes the connection plug 24 from the connection socket 16 of the connection 10a, moves to the connection 10b and inserts there the connection plug 24 into the connection socket 16 of the connection 10b. In Fig. 1 this case is shown in dashed lines.
  • connection 10a With the connection of the communication device 4 at the connection 10b, the connection 10a is repeated with respect to the connection 10a Process.
  • the identifier "02" is now transmitted to the communication device 4 via the communication path 34. This is indicated on the display 20 and, correspondingly, in the communication device 4 another normal operating mode, namely that assigned to the identifier "02", into which the communication device 4 subsequently changes.
  • the normal operating mode "02” only corresponding machine parameters of the machine part 32 are displayed to the operator on the display 20, and the keys 18 can only influence the parameters of the machine part 32.
  • the communication between communication device 4 and system 2 takes place in this case via the communication link 36.
  • the operator can connect the communication device 4 to the connection 10c in the manner described above, whereupon the identifier "03" would be transferred from the memory device 14 to the communication device 4 during the initialization operation.

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  • Physics & Mathematics (AREA)
  • General Physics & Mathematics (AREA)
  • Maintenance And Management Of Digital Transmission (AREA)
  • Selective Calling Equipment (AREA)
  • Small-Scale Networks (AREA)
  • Testing And Monitoring For Control Systems (AREA)

Claims (9)

  1. Procédé de communication avec une installation, notamment pour commander et observer une installation d'automatisation dans la fabrication industrielle, comprenant les stades suivantes :
    - un appareil ( 4 ) de communication est, pour l'échange de données avec l'installation ( 2 ), raccordée à une borne ( 10a-c ) montée fixe sur l'installation ( 2 ),
    - l'appareil ( 4 ) de communication passe par un fonctionnement d'initialisation dans lequel une caractérisation caractérisant de manière univoque la borne ( 10a-c ) est transmise de la borne ( 10a-c ) à l'appareil ( 4 ) de communication,
    - l'appareil ( 4 ) de communication passe dans un type de fonctionnement normal pour le couplage de processus à l'installation ( 2 ),
    caractérisé en ce que le type de fonctionnement normal est choisi en fonction de la caractérisation et ainsi en fonction de l'emplacement de connexion où se trouve l'appareil ( 4 ) de communication.
  2. Procédé suivant la revendication 1, dans lequel il y a plusieurs bornes ( 10a-c ) sur l'installation ( 2 ) et une caractérisation autre est transmise à l'appareil ( 4 ) de communication par chaque borne ( 10a-c ) pendant le fonctionnement d'initialisation.
  3. Procédé suivant la revendication 1 ou 2, dans lequel il est prévu plusieurs types de fonctionnement normaux dans l'appareil ( 4 ) de communication et un type de fonctionnement normal est choisi en fonction de la caractérisation transmise pendant le fonctionnement d'initialisation et l'appareil ( 4 ) de communication passe dans ce type de fonctionnement normal.
  4. Procédé suivant l'une des revendications précédentes, dans lequel dans le type de fonctionnement normal les données sont échangées entre l'installation ( 2 ) et l'appareil ( 4 ) de communication par un programme de données et dans le fonctionnement d'initialisation la transmission de la caractérisation s'effectue avec le même programme de données.
  5. Dispositif de communication avec une installation ( 2 ) notamment pour commander et observer une installation d'automatisation dans la fabrication industrielle, dans lequel le dispositif comporte un appareil ( 4 ) de communication, l'installation ( 2 ) a, pour l'échange de données avec l'installation ( 2 ), une borne ( 10a-c ) pour l'appareil ( 4 ) de communication qui peut fonctionner suivant un fonctionnement d'initialisation ou suivant un fonctionnement normal, borne à laquelle est associée un dispositif ( 4 ) de mémoire, dans lequel est mémorisée une caractérisation, qui caractérise d'une manière univoque la borne ( 10a-c ) et qui peut être transmise dans l'appareil ( 4 ) de communication pendant un fonctionnement d'initialisation, caractérisé en ce qu'il est prévu plusieurs types de fonctionnement normaux dans l'appareil ( 4 ) de communication et un type de fonctionnement normal peut être choisi en fonction de la caractérisation transmise.
  6. Dispositif suivant la revendication 5, dans lequel le dispositif ( 14 ) de mémoire est intégré dans la borne ( 10a-c ).
  7. Dispositif suivant la revendication 5 ou 6, dans lequel l'installation ( 2 ) a plusieurs bornes ( 10a-c ) et à chaque borne ( 10a-c ) est associé à une caractéristique autre qui, pendant le fonctionnement d'initialisation, peut être transmise de cette borne ( 10a-c ) à l'appareil ( 4 ) de communication.
  8. Dispositif suivant l'une des revendications 5 à 7, dans lequel il est prévu dans l'appareil ( 4 ) de communication plusieurs types de fonctionnement normaux et il est mémorisé dans l'installation ( 2 ) plusieurs caractérisations et un type de fonctionnement normal est associé à chaque caractérisation.
  9. Dispositif suivant l'une des revendications 5 à 8, dans lequel l'appareil ( 4 ) de communication peut être raccordé à la borne ( 10a-c ) par l'intermédiaire d'une ligne ( 22 ) de données et à la fois les données de communication provenant de l'installation ( 2 ) et y allant et la caractérisation peuvent être transmises par la ligne ( 22 ) de données.
EP20040022460 2003-09-24 2004-09-21 Procédé et dispositif pour communiquer avec un équipement Active EP1519337B1 (fr)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
DE2003144360 DE10344360A1 (de) 2003-09-24 2003-09-24 Verfahren und Einrichtung zur Kommunikation mit einer Anlage
DE10344360 2003-09-24

Publications (3)

Publication Number Publication Date
EP1519337A2 EP1519337A2 (fr) 2005-03-30
EP1519337A3 EP1519337A3 (fr) 2008-12-17
EP1519337B1 true EP1519337B1 (fr) 2012-01-04

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EP20040022460 Active EP1519337B1 (fr) 2003-09-24 2004-09-21 Procédé et dispositif pour communiquer avec un équipement

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EP (1) EP1519337B1 (fr)
DE (1) DE10344360A1 (fr)

Family Cites Families (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US5970430A (en) * 1996-10-04 1999-10-19 Fisher Controls International, Inc. Local device and process diagnostics in a process control network having distributed control functions
DE10151119C2 (de) * 2001-10-15 2003-11-20 Siemens Ag Verfahren zum Erfassen von mehreren Feldgeräten in einer Gerätekonfiguration
DE10202092A1 (de) * 2002-01-21 2003-08-14 Siemens Ag Verfahren und Vorrichtung zum Erfassen und Verarbeiten von Signalen von industriellen Prozessen

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EP1519337A2 (fr) 2005-03-30
DE10344360A1 (de) 2005-05-12
EP1519337A3 (fr) 2008-12-17

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