EP1088294B1 - Automation system with radio sensor - Google Patents

Automation system with radio sensor Download PDF

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Publication number
EP1088294B1
EP1088294B1 EP99936401A EP99936401A EP1088294B1 EP 1088294 B1 EP1088294 B1 EP 1088294B1 EP 99936401 A EP99936401 A EP 99936401A EP 99936401 A EP99936401 A EP 99936401A EP 1088294 B1 EP1088294 B1 EP 1088294B1
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EP
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Prior art keywords
sensor
radio
data
control device
automation system
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German (de)
French (fr)
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EP1088294A1 (en
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Ulrich Bungert
Frank Kraska
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Siemens AG
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Siemens AG
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    • G—PHYSICS
    • G08—SIGNALLING
    • G08C—TRANSMISSION SYSTEMS FOR MEASURED VALUES, CONTROL OR SIMILAR SIGNALS
    • G08C17/00—Arrangements for transmitting signals characterised by the use of a wireless electrical link
    • G08C17/02—Arrangements for transmitting signals characterised by the use of a wireless electrical link using a radio link
    • G—PHYSICS
    • G07—CHECKING-DEVICES
    • G07C—TIME OR ATTENDANCE REGISTERS; REGISTERING OR INDICATING THE WORKING OF MACHINES; GENERATING RANDOM NUMBERS; VOTING OR LOTTERY APPARATUS; ARRANGEMENTS, SYSTEMS OR APPARATUS FOR CHECKING NOT PROVIDED FOR ELSEWHERE
    • G07C3/00—Registering or indicating the condition or the working of machines or other apparatus, other than vehicles

Definitions

  • the invention relates to an automation system according to the Preamble of claim 1, sensor according to the preamble of Claim 9 and a radio module for such an automation system.
  • Such an automation system is for example, a manufacturing device or an automation system in the field of building, packaging or Storage technology.
  • sensors that, for example, the position determine certain parts of the processing device and to the control device for initiation if necessary forward necessary control measures.
  • the sensors are either directly with the control device or over wired a data bus to the control device.
  • WO 98/10393 A is a transmission system for manufacturing facilities known, using the sensor data wirelessly a transmitter and a receiver are transmitted.
  • the invention has for its object the effort in Installation of sensors with simultaneous compatibility to reduce the connection to an existing data bus.
  • the sensor data are transmitted via a radio interface from the sending device at the location of the processing device arranged sensor to the location of the control device arranged receiving device transmitted.
  • the advantage of such an architecture is that the connection of those to be transmitted via the radio interfaces Sensor or control data centrally via the data bus radio module he follows. The effort to connect the sensors is thus reduced and there is compatibility with Connection to an existing data bus.
  • a transmission in the opposite direction, i.e. from the control device to the sensor is made possible in a simple manner by that the radio transmission device and the radio reception device of the sensor each as a combined radio transceiver are formed, the in the area of Processing device arranged radio receiving device for receiving control data for controlling the sensor is provided.
  • a reduced hardware effort to connect a variety of sensors is thereby ensured that the radio receiving device Is part of the control device and means to receive the sensor data of one or more sensors having.
  • An alternative way to connect one or more Sensors to the control device is that the receiving device is part of a radio receiving module, which is intended to receive the sensor data of several sensors and with the control device directly or via a data bus connection can be coupled.
  • a safe control of the sensor is analogous possible via the radio interface that the for Data protocol transmitted between the radio module and the sensor a first data area for identifying the identification of the sensor and a second data area Identifies the tax data to be transmitted.
  • the effort for the transmission of the sensor data can thus be low are held that the sensor data and / or the Control data exist on binary signals.
  • the sensor data and / or the Control data exist on binary signals.
  • complexity of the sensor data or control data to be transmitted can be the data area required for this purpose, for example, only be one bit. In this case, an identification of two states 0 and 1 possible.
  • the wiring effort for operating the sensors can thereby further reduced that for the one power supply energy required by the transmitter of the sensor electromagnetic radiation especially from the control device is transmitted to the sensor.
  • the automation system exists essentially from a processing device, for example a manufacturing device 2 and from a Control device 1 for controlling the manufacturing device 2.
  • a processing device for example a manufacturing device 2
  • a Control device 1 for controlling the manufacturing device 2.
  • the sensors 3, 4 are used to detect Sensor data, for example measurement data relating to positioning certain parts of the manufacturing device 2.
  • the sensors 3, 4 each have a radio transmission device 8 on via a radio interface 6, 7 that from sensor 3, 4 determined sensor data transmitted to the automation system 1.
  • the automation system 1 has a sensor receiving part 5 with a radio receiving device 9, the hereinafter also referred to as radio module 5.
  • the receiving device 9 is used to receive the over the radio interface 6, 7 transmitted sensor data, which are then in the Automation device to be processed.
  • a connecting line 16 is indicated that the control device 1 with the processing device 2 for an additional data exchange can be connected.
  • the main task of sensors 3, 4 is to determine Sensor data, for example the position of a valve closed or opened as binary information, i.e. Zero for open and 1 for closed to the control device 1 to transmit.
  • the transmission device is advantageously 8 and the receiving device 9, however, are designed in such a way that each provided a combined transceiver is, so that bidirectional data traffic via the radio interfaces 6, 7 is made possible.
  • sensors 3, 4 By the possibility a communication from the control device 1 to the manufacturing device 2 there is the possibility of sensors 3, 4 to request their measurement data, i.e. their conditions to the Communicate control device 1. So that a targeted selection a certain sensor 3, 4 is possible, the respective Sensor assigned specific identification identifiers, which clearly identify the respective sensor 3, 4 enable.
  • Sensor 3, 4 can transmit the sensor data, for example Direct transmission of the sensor data via a duplex channel to the control device 1. He follows the transmission of the sensor data via a separate radio channel, so the sensor 3, 4 sends the actual transmission Sensor data first an identification identifier, which assigns the measurement data to the corresponding sensor 3, 4 enables (see Figure 2b).
  • the advantage of creating a binary radio sensor 3, 4 is that for the installation of sensors 3, 4 does not require any wiring for a data connection between the processing device 2 and control device 1 is required.
  • Field of application can be for the energy supply of the sensors 3, 4 required power supply either via solar cells optionally in combination with an energy storage device such as for example, an accumulator, a capacitor, etc.
  • the 2a shows the basic illustration of a data protocol 10, 11, which the transmission of the sensor data 11 from the in Area of the processing device 2 arranged sensor parts 3, 4 to that arranged in the area of the control device 1 Receive module 5 (see FIG. 1).
  • the data protocol 10, 11 consists of a first data area 10 for identification the identification of the sensor 3, 4 and from one second data area 11 for identifying those to be transmitted Sensor data.
  • the first data area 10 has one four-digit identification code I1..I4, which the makes each sensor clearly identifiable.
  • the second Data area contains binary numbers in particular Sensor data S1..S3, which, for example, certain position data represent the manufacturing device 2.
  • FIG. 2b shows a data protocol 12, 13 analogous to FIG. 2a, which from the control device 1 via the radio interfaces 6, 7 to the sensors 3, 4 of the processing device is transmitted.
  • a first data area 12 are again Identification information I1..I4 included while the second data area 13 contains control data A1..A3.
  • the Control data 13 are used, in particular, to deliver the sensor request current sensor data.
  • Such targeted Addressing a sensor has the advantage that the radio transmission device the sensor only when necessary transmits to the control device. The energy consumption the radio transmission device can thereby be reduced to a minimum be reduced.
  • the automation system is there again essentially from a processing device 2 and an associated control device 1.
  • the processing device 2 are in turn sensors 3, 4 provided that via radio interfaces 6, 7 with radio modules 5 are connectable.
  • the radio modules 5 are in the range of Control device 1 arranged or connected to this.
  • FIG. 4 shows a further embodiment of an automation system.
  • the automation system consists of a processing device 2 and a control device 1.
  • Sensors 3, 4 are provided, which via radio interfaces 6, 7 communicate with a radio module 5.
  • the radio module 5 is on a data bus 14 coupled to the control device 1 communicates.
  • the data bus 14 is, for example, an im Factory automation known as so-called Actuator sensor interface, which is mainly the transmission of measurement signals. Can on the data bus 14 in addition to the radio module 5 shown in FIG. 4, also other sensors etc. are connected, which in Figure 4 for reasons of Clarity is not shown in detail.
  • FIG. 5 shows a fourth exemplary embodiment of an automation system, which in turn essentially consists of a Control device 1 and a processing device 2 exists.
  • a data bus 14 is provided.
  • a data bus radio module 15 is coupled to the data bus radio module 15 sensor / actuator radio module 5 with Transceiver 9 are connected.
  • the sensor-actuator radio module parts 5 communicate via radio interfaces 7 with those arranged in the area of the processing device 2 Sensor parts 2,3, 4, which are also transceiver parts 8 have.
  • the advantage of the architecture shown in FIG. 5 is that that the connection to the radio interfaces 7 to transmitting sensor or control data centrally via the Data bus radio module 15 takes place. The effort to connect the Sensor parts 5,6 is thus reduced. In addition there is compatibility for connection to the existing data bus 14th

Description

Die Erfindung betrifft ein Automatisierungssystem gemäß dem Oberbegriff des Anspruchs 1, Sensor gemäß dem Oberbegriff des Anspruchs 9 sowie ein Funkmodul für ein derartiges Automatisierungssystem.The invention relates to an automation system according to the Preamble of claim 1, sensor according to the preamble of Claim 9 and a radio module for such an automation system.

Bei einem derartigen Automatisierungssystem handelt es sich beispielsweise um eine Fertigungsvorrichtung oder ein Automatisierungssystem im Bereich der Gebäude-, Verpackungs- oder Lagertechnik. Zur Erfassung bestimmter Betriebszustände sind dabei Sensoren erforderlich, die beispielsweise die Position bestimmter Teile der Verarbeitungsvorrichtung bestimmen und an die Steuerungsvorrichtung zur Einleitung gegebenenfalls erforderlicher Steuerungsmaßnahmen weiterleiten. Die Sensoren sind entweder direkt mit der Steuerungsvorrichtung oder über einen Datenbus mit der Steuerungsvorrichtung verdrahtet.Such an automation system is for example, a manufacturing device or an automation system in the field of building, packaging or Storage technology. To capture certain operating conditions are this requires sensors that, for example, the position determine certain parts of the processing device and to the control device for initiation if necessary forward necessary control measures. The sensors are either directly with the control device or over wired a data bus to the control device.

Aus WO 98/10393 A ist ein Übertragungssystem für Fertigungseinrichtungen bekannt, bei dem Sensordaten drahtlos mittels eines Senders und eines Empfängers übertragen werden.From WO 98/10393 A is a transmission system for manufacturing facilities known, using the sensor data wirelessly a transmitter and a receiver are transmitted.

Der Erfindung liegt die Aufgabe zugrunde, den Aufwand bei der Installation von Sensoren bei gleichzeitiger Kompatibilität zur Anbindung an einen bestehenden Datenbus zu verringern.The invention has for its object the effort in Installation of sensors with simultaneous compatibility to reduce the connection to an existing data bus.

Diese Aufgabe wird durch die in den Ansprüchen 1, 9 und 11 angegebenen Merkmale gelöst.This object is achieved by the in claims 1, 9 and 11 specified features solved.

Zur Installation eines Sensors ist es lediglich erforderlich, den Sensor mit Funksendevorrichtung an einem gewünschten Meßpunkt zu plazieren. Für die Datenübermittlung zur Übertragung der Sensordaten an die im Bereich der Steuerungsvorrichtung vorgesehene Funkempfangsvorrichtung ist somit keinerlei Verdrahtungsaufwand erforderlich. Insgesamt erfordert die Montage von Sensoren somit keinerlei Verdrahtungsaufwand, um die Übertragung der Sensordaten an die Steuerungsvorrichtung durchzuführen. Die Sensordaten werden über eine Funkschnittstelle von der Sendevorrichtung des am Ort der Verarbeitungsvorrichtung angeordneten Sensors an die am Ort der Steuerungsvorrichtung angeordnete Empfangsvorrichtung übertragen. Der Vorteil einer derartigen Architektur besteht darin, daß die Anbindung der über die Funkschnittstellen zu übermittelnden Sensor- bzw. Steuerungsdaten zentral über das Datenbus-Funkmodul erfolgt. Der Aufwand zur Anbindung der Sensoren wird somit reduziert und es besteht eine Kompatibilität zur Anbindung an einen bestehenden Datenbus.All you need to install a sensor is the sensor with radio transmitter at a desired measuring point to place. For data transmission for transmission the sensor data to those in the area of the control device provided radio receiving device is therefore no wiring effort required. Overall, assembly requires of sensors therefore no wiring effort to the Transmission of the sensor data to the control device perform. The sensor data are transmitted via a radio interface from the sending device at the location of the processing device arranged sensor to the location of the control device arranged receiving device transmitted. The advantage of such an architecture is that the connection of those to be transmitted via the radio interfaces Sensor or control data centrally via the data bus radio module he follows. The effort to connect the sensors is thus reduced and there is compatibility with Connection to an existing data bus.

Eine Übertragung in Gegenrichtung, d.h. von der Steuerungsvorrichtung an den Sensor wird auf einfache Weise dadurch ermöglicht, daß die Funksendevorrichtung und die Funkempfangsvorrichtung des Sensors jeweils als kombinierte Funksendeempfangsvorrichtungen ausgebildet sind, wobei die im Bereich der Verarbeitungsvorrichtung angeordnete Funkempfangsvorrichtung zum Empfang von Ansteuerungsdaten zur Ansteuerung des Sensors vorgesehen ist.A transmission in the opposite direction, i.e. from the control device to the sensor is made possible in a simple manner by that the radio transmission device and the radio reception device of the sensor each as a combined radio transceiver are formed, the in the area of Processing device arranged radio receiving device for receiving control data for controlling the sensor is provided.

Ein reduzierter Hardwareaufwand zur Anbindung einer Vielzahl von Sensoren wird dadurch sichergestellt, daß die Funkempfangsvorrichtung Teil der Steuerungsvorrichtung ist und Mittel zum Empfang der Sensordaten eines oder mehrerer Sensoren aufweist.A reduced hardware effort to connect a variety of sensors is thereby ensured that the radio receiving device Is part of the control device and means to receive the sensor data of one or more sensors having.

Eine alternative Möglichkeit zur Anbindung eines oder mehrerer Sensoren an die Steuerungsvorrichtung besteht darin, daß die Empfangsvorrichtung Teil eines Funkempfangsmoduls ist, welches zum Empfang der Sensordaten mehrerer Sensoren vorgesehen ist und mit der Steuerungsvorrichtung direkt oder über eine Datenbusverbindung verkoppelbar ist. An alternative way to connect one or more Sensors to the control device is that the receiving device is part of a radio receiving module, which is intended to receive the sensor data of several sensors and with the control device directly or via a data bus connection can be coupled.

Ein sicherer Datenverkehr über die Funkschnittstelle des Sensors wird dadurch sichergestellt, daß das zur Datenermittlung zwischen Funksensor und Funkmodul übertragene Datenprotokoll einen ersten Datenbereich zur Kennzeichnung der Identifikation des Sensors und einen zweiten Datenbereich zur Kennzeichnung der zu übermittelnden Sensordaten aufweist.Secure data traffic via the radio interface of the sensor is ensured by the fact that for data determination Data protocol transmitted between radio sensor and radio module a first data area for identifying the identification of the sensor and a second data area for identification which has sensor data to be transmitted.

In analoger Weise ist eine sichere Ansteuerung des Sensors über die Funkschnittstelle dadurch möglich, dass das zur Steuerung zwischen Funkmodul und Sensor übertragene Datenprotokoll einen ersten Datenbereich zur Kennzeichnung der Identifikation des Sensors und einen zweiten Datenbereich zur Kennzeichnung der zu übermittelnden Steuerdaten aufweist.A safe control of the sensor is analogous possible via the radio interface that the for Data protocol transmitted between the radio module and the sensor a first data area for identifying the identification of the sensor and a second data area Identifies the tax data to be transmitted.

Der Aufwand zur Übertragung der Sensordaten kann dadurch gering gehalten werden, daß die Sensordaten und/oder die Steuerdaten auf binären Signalen bestehen. Je nach Aufwand der zu übertragenden Sensordaten bzw. Steuerdaten kann der hierfür benötigte Datenbereich beispielsweise auch lediglich ein Bit betragen. In diesem Fall ist eine Kennzeichnung von zwei Zuständen 0 bzw. 1 möglich.The effort for the transmission of the sensor data can thus be low are held that the sensor data and / or the Control data exist on binary signals. Depending on complexity of the sensor data or control data to be transmitted can be the data area required for this purpose, for example, only be one bit. In this case, an identification of two states 0 and 1 possible.

Der Verdrahtungsaufwand zum Betrieb der Sensoren kann dadurch weiter reduziert werden, daß die für die eine Stromversorgung der Sendevorrichtung des Sensors erforderliche Energie durch elektromagnetische Abstrahlung insbesondere von der Steuerungsvorrichtung an den Sensor übertragen wird.The wiring effort for operating the sensors can thereby further reduced that for the one power supply energy required by the transmitter of the sensor electromagnetic radiation especially from the control device is transmitted to the sensor.

Im folgenden wird die Erfindung anhand der in den Figuren dargestellten Ausführungsbeispiel näher beschrieben und erläutert.The invention is described below with reference to the figures illustrated embodiment described and explained in more detail.

Es zeigen:

FIG 1
ein erstes Ausführungsbeispiel einer Prinzipdarstellung eines Automatisierungssystems,
FIG 2a
ein Datenprotokoll für eine Übertragung von Sensordaten von einem Funksensor zu einem Funkmodul,
FIG 2b
ein Datenprotokoll für eine Übertragung von Steuerdaten von einem Funkmodul zu einem Sensor,
FIG 3
ein zweites Ausführungsbeispiel eines Automatisierungssystems,
FIG 4
ein weiteres Ausführungsbeispiel eines Automatisierungssystems mit Anbindung an einen Datenbus und
FIG 5
ein weiteres Ausführungsbeispiel eines Automatisierungssystems mit zentralem Datenbus-Funkmodul.
Show it:
FIG. 1
a first embodiment of a schematic diagram of an automation system,
FIG 2a
a data protocol for a transmission of sensor data from a radio sensor to a radio module,
FIG 2b
a data protocol for a transmission of control data from a radio module to a sensor,
FIG 3
a second embodiment of an automation system,
FIG 4
a further embodiment of an automation system with connection to a data bus and
FIG 5
another embodiment of an automation system with a central data bus radio module.

FIG 1 zeigt ein erstes Ausführungsbeispiel eines Automatisierungssystems, welches beispielsweise bei der Fertigungsautomatisierung zum Einsatz kommt. Das Automatisierungssystem besteht im wesentlichen aus einer Verarbeitungsvorrichtung, beispielsweise einer Fertigungsvorrichtung 2 sowie aus einer Steuerungsvorrichtung 1 zur Steuerung der Fertigungsvorrichtung 2. Im Bereich der Fertigungsvorrichtung 2 sind Sensoren 3, 4 vorgesehen. Die Sensoren 3, 4 dienen der Erfassung von Sensordaten, beispielsweise von Meßdaten bezüglich einer Positionierung bestimmter Teile der Fertigungsvorrichtung 2. Die Sensoren 3, 4 weisen jeweils eine Funksendevorrichtung 8 auf, die über eine Funkschnittstelle 6, 7 die vom Sensor 3, 4 ermittelten Sensordaten an das Automatisierungssystem 1 übertragen. Hierzu weist das Automatisierungssystem 1 ein Sensorempfangsteil 5 mit einer Funkempfangsvorrichtung 9 auf, das im folgenden auch als Funkmodul 5 bezeichnet wird. Die Empfangsvorrichtung 9 dient dem Empfang der über die Funkschnittstelle 6, 7 übertragenen Sensordaten, die dann in der Automatisierungsvorrichtung weiterverarbeitet werden. Über eine Verbindungsleitung 16 ist angedeutet, daß die Steuerungsvorrichtung 1 mit der Verarbeitungsvorrichtung 2 für einen zusätzlichen Datenaustausch verbunden sein kann.1 shows a first exemplary embodiment of an automation system, which, for example, in manufacturing automation is used. The automation system exists essentially from a processing device, for example a manufacturing device 2 and from a Control device 1 for controlling the manufacturing device 2. In the area of the production device 2 are sensors 3, 4 provided. The sensors 3, 4 are used to detect Sensor data, for example measurement data relating to positioning certain parts of the manufacturing device 2. The sensors 3, 4 each have a radio transmission device 8 on via a radio interface 6, 7 that from sensor 3, 4 determined sensor data transmitted to the automation system 1. For this purpose, the automation system 1 has a sensor receiving part 5 with a radio receiving device 9, the hereinafter also referred to as radio module 5. The receiving device 9 is used to receive the over the radio interface 6, 7 transmitted sensor data, which are then in the Automation device to be processed. about a connecting line 16 is indicated that the control device 1 with the processing device 2 for an additional data exchange can be connected.

Die Hauptaufgabe der Sensoren 3, 4 besteht darin, ermittelte Sensordaten, beispielsweise die Position eines Ventils geschlossen oder geöffnet als binäre Information, d.h. Null für geöffnet und 1 für geschlossen an die Steuerungsvorrichtung 1 zu übermitteln. Vorteilhafterweise ist die Sendevorrichtung 8 sowie die Empfangsvorrichtung 9 jedoch derart ausgebildet, daß jeweils ein kombinierter Sende-Empfangsteil vorgesehen ist, so daß ein bidirektionaler Datenverkehr über die Funkschnittstellen 6, 7 ermöglicht wird. Durch die Möglichkeit einer Kommunikation von der Steuerungsvorrichtung 1 zur Fertigungsvorrichtung 2 besteht die Möglichkeit, die Sensoren 3, 4 aufzufordern, ihre Meßdaten, d.h. ihre Zustände an die Steuerungsvorrichtung 1 mitzuteilen. Damit eine gezielte Auswahl eines bestimmten Sensors 3, 4 möglich ist, sind dem jeweiligen Sensor bestimmte Identifikationskennungen zugeordnet, die eine eindeutige Identifikation des jeweiligen Sensors 3, 4 ermöglichen. Auf eine derartige Anforderung zur Übermittlung der Sensordaten kann der Sensor 3, 4 beispielsweise über einen Duplexkanal direkt die Übertragung der Sensordaten an die Steuerungsvorrichtung 1 vornehmen. Erfolgt die Übermittlung der Sensordaten über einen separaten Funkkanal, so sendet der Sensor 3, 4 vor einer Übertragung der eigentlichen Sensordaten zunächst eine Identifikationskennung, welche eine Zuordnung der Meßdaten zum entsprechenden Sensor 3, 4 ermöglicht (vergleiche Figur 2b). Der vorteil der Schaffung eines binären Funksensors 3, 4 besteht darin, daß für die Installation der Sensoren 3, 4 keinerlei Verdrahtungsaufwand für eine Datenverbindung zwischen Verarbeitungsvorrichtung 2 und Steuerungsvorrichtung 1 erforderlich ist. Je nach Einsatzgebiet kann die für die Energieversorgung der Sensoren 3, 4 erforderliche Stromversorgung entweder über Solarzellen gegebenenfalls in Kombination mit einem Energiespeicher wie beispielsweise einem Akkumulator, einem Kondensator etc. erfolgen. Darüber hinaus besteht auch die alternative oder die zusätzliche vorteilhafte Möglichkeit, die Stromversorgung der Sensoren 3, 4 ebenfalls auf elektromagnetischer Basis über Funk an den Funksensor 3 ,4 zu übertragen.The main task of sensors 3, 4 is to determine Sensor data, for example the position of a valve closed or opened as binary information, i.e. Zero for open and 1 for closed to the control device 1 to transmit. The transmission device is advantageously 8 and the receiving device 9, however, are designed in such a way that each provided a combined transceiver is, so that bidirectional data traffic via the radio interfaces 6, 7 is made possible. By the possibility a communication from the control device 1 to the manufacturing device 2 there is the possibility of sensors 3, 4 to request their measurement data, i.e. their conditions to the Communicate control device 1. So that a targeted selection a certain sensor 3, 4 is possible, the respective Sensor assigned specific identification identifiers, which clearly identify the respective sensor 3, 4 enable. At such a request Sensor 3, 4 can transmit the sensor data, for example Direct transmission of the sensor data via a duplex channel to the control device 1. He follows the transmission of the sensor data via a separate radio channel, so the sensor 3, 4 sends the actual transmission Sensor data first an identification identifier, which assigns the measurement data to the corresponding sensor 3, 4 enables (see Figure 2b). The advantage of creating a binary radio sensor 3, 4 is that for the installation of sensors 3, 4 does not require any wiring for a data connection between the processing device 2 and control device 1 is required. Depending on Field of application can be for the energy supply of the sensors 3, 4 required power supply either via solar cells optionally in combination with an energy storage device such as for example, an accumulator, a capacitor, etc. In addition, there is also the alternative or the additional advantageous way to power the Sensors 3, 4 also on an electromagnetic basis To transmit radio to the radio sensor 3, 4.

FIG 2a zeigt die Prinzipdarstellung eines Datenprotokolls 10, 11, welches der Übermittlung der Sensordaten 11 von der im Bereich der Verarbeitungseinrichtung 2 angeordneten Sensorteilen 3, 4 zu dem im Bereich der Steuerungsvorrichtung 1 angeordneten Empfangsmodul 5 (vgl. FIG 1). Das Datenprotokoll 10, 11 besteht aus einem ersten Datenbereich 10 zur Kennzeichnung der Identifikation des Sensors 3, 4 und aus einem zweiten Datenbereich 11 zur Kennzeichnung der zu übermittelnden Sensordaten. Der erste Datenbereich 10 weist eine vierstellige Identifikationskennung I1..I4 auf, welche den jeweiligen Sensor eindeutig identifizierbar macht. Der zweite Datenbereich enthält insbesondere aus Binärzahlen bestehende Sensordaten S1..S3, welche beispielsweise bestimmte Positionsdaten der Fertigungsvorrichtung 2 repräsentieren.2a shows the basic illustration of a data protocol 10, 11, which the transmission of the sensor data 11 from the in Area of the processing device 2 arranged sensor parts 3, 4 to that arranged in the area of the control device 1 Receive module 5 (see FIG. 1). The data protocol 10, 11 consists of a first data area 10 for identification the identification of the sensor 3, 4 and from one second data area 11 for identifying those to be transmitted Sensor data. The first data area 10 has one four-digit identification code I1..I4, which the makes each sensor clearly identifiable. The second Data area contains binary numbers in particular Sensor data S1..S3, which, for example, certain position data represent the manufacturing device 2.

FIG 2b zeigt ein zu FIG 2a analoges Datenprotokoll 12, 13, welches von der Steuerungsvorrichtung 1 über die Funkschnittstellen 6, 7 zu den Sensoren 3,4 der Verarbeitungsvorrichtung übermittelt wird. In einem ersten Datenbereich 12 sind wiederum Identifikationsinformationen I1..I4 enthalten, während der zweite Datenbereich 13 Steuerdaten A1..A3 enthält. Die Steuerdaten 13 dienen insbesondere dazu, den Sensor zur Abgabe aktueller Sensordaten aufzufordern. Eine derartige gezielte Ansprache eines Sensors hat den Vorteil, daß die Funksendevorrichtung des Sensors lediglich im Bedarfsfall Sensordaten an die Steuerungsvorrichtung überträgt. Der Energieverbrauch der Funksendevorrichtung kann hierdurch auf ein Minimnum reduziert werden.2b shows a data protocol 12, 13 analogous to FIG. 2a, which from the control device 1 via the radio interfaces 6, 7 to the sensors 3, 4 of the processing device is transmitted. In a first data area 12 are again Identification information I1..I4 included while the second data area 13 contains control data A1..A3. The Control data 13 are used, in particular, to deliver the sensor request current sensor data. Such targeted Addressing a sensor has the advantage that the radio transmission device the sensor only when necessary transmits to the control device. The energy consumption the radio transmission device can thereby be reduced to a minimum be reduced.

FIG 3 zeigt ein weiteres Ausführungsbeispiel eines Automatisierungssystems. Das Automatisierungssystem besteht dabei wiederum im wesentlichen aus einer Verarbeitungsvorrichtung 2 sowie einer zugeordneten Steuerungsvorrichtung 1. Im Bereich der Verarbeitungsvorrichtung 2 sind wiederum Sensoren 3, 4 vorgesehen, die über Funkschnittstellen 6, 7 mit Funkmodulen 5 verbindbar sind. Die Funkmodule 5 sind im Bereich der Steuerungsvorrichtung 1 angeordnet oder mit dieser verbunden.3 shows a further exemplary embodiment of an automation system. The automation system is there again essentially from a processing device 2 and an associated control device 1. In the area the processing device 2 are in turn sensors 3, 4 provided that via radio interfaces 6, 7 with radio modules 5 are connectable. The radio modules 5 are in the range of Control device 1 arranged or connected to this.

Im Gegensatz zu dem in Figur 1 dargestellten Ausführungsbeispiel, bei dem die Empfangsvorrichtung zum Empfang mehrerer Sensorsignale dient, sind bei dem in Figur 3 gezeigten Ausführungsbeispiel jeweils separate Funkmodule 5a, 5b vorgesehen. Der im Bereich der Verarbeitungsvorrichtung angeordnete Sensorteil 3 kommuniziert dabei über die Funkschnittstelle 6 mit der Empfangsvorrichtung 5a, während der Sensorteil 4 über eine Funkschnittstelle 7 mit dem Funkmodul 5b kommuniziert. Zur Vermeidung von Wiederholungen wird bezüglich der Funktion des Automatisierungssystems auf die bereits im Zusammenhang mit den Figuren 1, 2a und 2b gemachten Ausführungen verwiesen.In contrast to the exemplary embodiment shown in FIG. 1, in which the receiving device for receiving several Sensor signals are used in the embodiment shown in Figure 3 separate radio modules 5a, 5b are provided. The one arranged in the area of the processing device Sensor part 3 communicates via radio interface 6 with the receiving device 5a, while the sensor part 4 via a radio interface 7 communicates with the radio module 5b. To avoid repetition, regarding the function of the automation system related to that already with the figures made 1, 2a and 2b referenced.

Figur 4 zeigt ein weiteres Ausführungsbeispiel eines Automatisierungssystem. Das Automatisierungssystem besteht aus einer Verarbeitungsvorrichtung 2 sowie aus einer Steuerungsvorrichtung 1. Im Bereich der Verarbeitungsvorrichtung 2 sind Sensoren 3, 4 vorgesehen, die über Funkschnittstellen 6, 7 mit einem Funkmodul 5 kommunizieren. Das Funkmodul 5 ist an einen Datenbus 14 gekoppelt, welcher mit der Steuerungsvorrichtung 1 in Verbindung steht.Figure 4 shows a further embodiment of an automation system. The automation system consists of a processing device 2 and a control device 1. In the area of the processing device 2 are Sensors 3, 4 are provided, which via radio interfaces 6, 7 communicate with a radio module 5. The radio module 5 is on a data bus 14 coupled to the control device 1 communicates.

Bei dem Datenbus 14 handelt es sich beispielsweise um ein im Bereich der Fertigungsautomatisierung bekanntes sogenanntes Aktuator-Sensor-Interface, welches vor allem der Übertragung von meßtechnischen Signalen dient. An den Datenbus 14 können neben dem in Figur 4 gezeigten Funkmodul 5 auch weitere Sensoren etc. angebunden werden, was in Figur 4 aus Gründen der Übersichtlichkeit nicht näher gezeigt ist.The data bus 14 is, for example, an im Factory automation known as so-called Actuator sensor interface, which is mainly the transmission of measurement signals. Can on the data bus 14 in addition to the radio module 5 shown in FIG. 4, also other sensors etc. are connected, which in Figure 4 for reasons of Clarity is not shown in detail.

Figur 5 zeigt ein viertes Ausführungsbeispiel eines Automatisierungssystems, welches wiederum im wesentlichen aus einer Steuerungsvorrichtung 1 sowie einer Verarbeitungsvorrichtung 2 besteht. Darüber hinaus ist entsprechend dem Ausführungsbeispiel von Figur 4 ein Datenbus 14 vorgesehen. Mit dem Datenbus 14 ist ein Datenbus-Funkmodul 15 gekoppelt, wobei an das Datenbus-Funkmodul 15 Sensor/Aktuator Funkmodule 5 mit Sendeempfangsvorrichtungen 9 angeschlossen sind. Die Sensor-Aktuator-Funkmodulteile 5 kommunizieren über Funkschnittstellen 7 mit den im Bereich der Verarbeitungsvorrichtung 2 angeordneten Sensorteilen 2,3, 4, die ebenfalls Sendeempfangsteile 8 aufweisen. FIG. 5 shows a fourth exemplary embodiment of an automation system, which in turn essentially consists of a Control device 1 and a processing device 2 exists. In addition, is in accordance with the embodiment 4 a data bus 14 is provided. With the data bus 14, a data bus radio module 15 is coupled to the data bus radio module 15 sensor / actuator radio module 5 with Transceiver 9 are connected. The sensor-actuator radio module parts 5 communicate via radio interfaces 7 with those arranged in the area of the processing device 2 Sensor parts 2,3, 4, which are also transceiver parts 8 have.

Der Vorteil der in Figur 5 gezeigten Architektur besteht darin, daß die Anbindung der über die Funkschnittstellen 7 zu übermittelnden Sensor- bzw. Steuerungsdaten zentral über das Datenbus-Funkmodul 15 erfolgt. Der Aufwand zur Anbindung der Sensorteile 5,6 wird somit reduziert. Darüber hinaus besteht eine Kompatibilität zur Anbindung an den bestehenden Datenbus 14.The advantage of the architecture shown in FIG. 5 is that that the connection to the radio interfaces 7 to transmitting sensor or control data centrally via the Data bus radio module 15 takes place. The effort to connect the Sensor parts 5,6 is thus reduced. In addition there is compatibility for connection to the existing data bus 14th

Claims (11)

  1. Automation system (1, 2) with a control device (1) for controlling a processing device (2) with at least one sensor (4, 5) for wireless transmission of sensor data (11) from the processing device (2) to the control device (1), the sensor (4, 5) having a radio transmitting device (8) for providing wireless transmission of the sensor data (11) via a radio interface (7) to a radio receiving device (9) connected to the control device (1), characterised in that
    a radio module (5, 15), which is provided for receiving sensor data from a plurality of sensors, is provided for connecting the sensor data (11) to be transmitted via the radio interfaces (7), and
    the radio module (5, 15) can be linked to the control device (1) via a data bus connection (14).
  2. Automation system according to Claim 1, characterised in that the radio transmitting device (8) and the radio receiving device (9) of the sensor (4, 5) are designed as combined radio transceivers, the radio transceiver arranged in the area of the processing device (2) being provided to receive activation data to activate the sensor.
  3. Automation system according to one of Claims 1 or 2, characterised in that the radio receiving device (9) is part of the control device (1) and has means for receiving sensor data from one or more sensors (3, 4).
  4. Automation system according to one of Claims 1 or 2, characterised in that the radio receiving device (9) is part of a radio receiver module which can be linked to the control device (1) directly or via the data bus connection (14).
  5. Automation system according to one of Claims 1 to 4, characterised in that the data protocol (10, 11) transmitted for determining the data between the radio sensor (3, 4) and radio module (5) has a first data area (10) flagging the identification of the sensor (3, 4) and a second data area (11) flagging the sensor data (11) to be transmitted.
  6. Automation system according to one of Claims 1 to 5, characterised in that the data protocol (12, 13) transmitted for control purposes between the radio module (5) and sensor (3, 4) has a first data area (12) flagging the identification of the sensor (3, 4) and a second data area (13) flagging the sensor data (13) to be transmitted.
  7. Automation system according to one of Claims 1 to 6, characterised in that the sensor data (11) and/or the control data (13) consists of binary signals.
  8. Automation system according to one of Claims 1 to 7, characterised in that the energy required for supplying the transmitting device of the sensor with power is transferred by electromagnetic emission from the control device (1) to the sensor (3, 4).
  9. Sensor for an automation system (1, 2, 3) with a control device (1) for controlling a processing device (2), the sensor (4, 5) being provided for wireless transmission of sensor data (11) from the processing device (2) to the control device (1), the sensor (4, 5) having a radio transmitting device (8) for providing wireless transmission of the sensor data (11) via a radio interface (7) to a radio receiving device (9) connected to the control device (1), characterised in that
    a radio module (5, 15), which is provided for receiving sensor data from a plurality of sensors, is provided for connecting the sensor data (11) to be transmitted via the radio interfaces (7), and
    the radio module (5, 15) can be linked to the control device (1) via a data bus connection (14).
  10. Sensor according to Claim 9, characterised in that the radio transmitting device (8) and the radio receiving device of the sensor (4, 5) are each designed as combined radio transceivers (4, 5), the radio receiving device in the area of the processing device (2) being provided to receive activation data to activate the sensor.
  11. Radio module (5, 15) for an automation system (1, 2) with a control device (1) for controlling a processing device (2) with at least one sensor (4, 5) for wireless transmission of sensor data (11) from the processing device (2) to the control device (1) with the following features:
    the radio module (5, 15) is provided for connecting the sensor data (11) to be transmitted via the radio interfaces (7),
    the radio module (5, 15) is provided for receiving the sensor data from a plurality of sensors, and
    the radio module (5, 15) can be linked to the control device (1) via a data bus connection.
EP99936401A 1998-06-15 1999-06-02 Automation system with radio sensor Revoked EP1088294B1 (en)

Applications Claiming Priority (3)

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DE19826513 1998-06-15
DE19826513A DE19826513A1 (en) 1998-06-15 1998-06-15 Automation system with radio sensor
PCT/DE1999/001633 WO1999066473A1 (en) 1998-06-15 1999-06-02 Automation system with radio sensor

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EP1088294A1 EP1088294A1 (en) 2001-04-04
EP1088294B1 true EP1088294B1 (en) 2003-08-20

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JP (1) JP2002518762A (en)
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WO (1) WO1999066473A1 (en)

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WO1999066473A1 (en) 1999-12-23
US20010003163A1 (en) 2001-06-07
DE19826513A1 (en) 1999-12-23
JP2002518762A (en) 2002-06-25
DE59906690D1 (en) 2003-09-25
EP1088294A1 (en) 2001-04-04

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