WO2018158441A1 - Appareil de mesure pour la technique des processus et de l'automatisation - Google Patents

Appareil de mesure pour la technique des processus et de l'automatisation Download PDF

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Publication number
WO2018158441A1
WO2018158441A1 PCT/EP2018/055203 EP2018055203W WO2018158441A1 WO 2018158441 A1 WO2018158441 A1 WO 2018158441A1 EP 2018055203 W EP2018055203 W EP 2018055203W WO 2018158441 A1 WO2018158441 A1 WO 2018158441A1
Authority
WO
WIPO (PCT)
Prior art keywords
measuring device
measuring
data
communication interface
signals
Prior art date
Application number
PCT/EP2018/055203
Other languages
German (de)
English (en)
Inventor
Christian Schneider
Original Assignee
Ifm Electronic Gmbh
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 Ifm Electronic Gmbh filed Critical Ifm Electronic Gmbh
Publication of WO2018158441A1 publication Critical patent/WO2018158441A1/fr

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Classifications

    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04Q—SELECTING
    • H04Q9/00—Arrangements in telecontrol or telemetry systems for selectively calling a substation from a main station, in which substation desired apparatus is selected for applying a control signal thereto or for obtaining measured values therefrom
    • G—PHYSICS
    • G01—MEASURING; TESTING
    • G01D—MEASURING NOT SPECIALLY ADAPTED FOR A SPECIFIC VARIABLE; ARRANGEMENTS FOR MEASURING TWO OR MORE VARIABLES NOT COVERED IN A SINGLE OTHER SUBCLASS; TARIFF METERING APPARATUS; MEASURING OR TESTING NOT OTHERWISE PROVIDED FOR
    • G01D21/00—Measuring or testing not otherwise provided for

Definitions

  • the invention relates to measuring apparatus for process and automation technology according to the preamble of claim 1.
  • sensors In automation and process technology, sensors or
  • Measuring instruments are used which measure the acquired measured value - e.g. Pressure, temperature, flow, but also distance or vibration - in this measured value
  • Plug connection but sometimes also offer wireless for further processing of a parent control unit, for example.
  • a PLC Personal Communications Commission
  • a typical measuring device initially consists of a sensor element, also referred to as a measuring transducer, which serves to detect and convert a physical measured quantity of a process value into a measuring signal. Furthermore, an evaluation unit is provided which is frequently designed as a microcontroller and in which the measurement signals generated by the sensor element are processed, i. reinforced, and mostly already processed. On the output side, the evaluation unit is connected both to a display unit and to a communication interface via which the conditioned measurement signals are connected to the one already mentioned
  • Control unit can be transmitted.
  • the display shows the current measured values.
  • the display unit often also serves to set up and parameterize the measuring device.
  • the meter also has corresponding input options.
  • the IO-Link standard is a special industrial automation communication system that is used to connect intelligent sensors or measuring devices and actuators, also referred to as field devices, to a control network (Automation system), which includes other measuring devices, is used.
  • the IO-Link standard is standardized in the standard IEC 61 131 -9 under the designation "Single-drop digital communication interface for small sensors and actuators" (SDCI) Standardization includes both the electrical connection data and a digital communication protocol. via which the sensors and actuators interact with the automation system.
  • SDCI Single-drop digital communication interface for small sensors and actuators
  • Entire plant for example a single tank or a single one
  • Machine tool are a variety of small, mostly not so easily visible sensors or measuring devices installed. Here one would like to be able to call up the measurement data of this unit quickly and at a glance on site.
  • the object of the invention is therefore to be able to easily and quickly retrieve and view the data from individual measuring devices which are connected to one another in a network at a central location.
  • the core of the invention is that the data from measuring devices of a network can be displayed on the display of a measuring device within this network.
  • this meter could then be the one that is most easily accessible.
  • a switch is provided for this purpose in this meter, which optionally the signals of the evaluation or the
  • the data of the respective other measuring device is about
  • Measuring signals that have been processed by the evaluation unit that have been processed by the evaluation unit. That is, the measurement signal data transmitted over the network are inherently understood by an IO-Link master unit. Basically, it is, of course, too possible to display other data of a remote measuring device, such as parameter data, serial numbers, etc.
  • the measurement signals on the standard communication interface are in the form of an analog or digital current or voltage signal.
  • a certain voltage or current value does not say anything about whether it is a temperature value, pressure value or the like.
  • This interpretation is advantageously carried out in a processing unit, which is arranged between the standard communication interface and the switch.
  • Internal measurement signals i. the signals generated by the sensor element of the displaying measuring device are typically already interpreted in the internal evaluation unit.
  • Measurement devices also transmit data via the so-called Measurement Data Channel (MDC).
  • MDC Measurement Data Channel
  • the Measurement Data Channel is part of the current IO-Link specification and provides a standardized interface for others
  • An application which may be mentioned here by way of example is a machine tool, in which mostly a multiplicity of small pressure sensors are installed. Since it is a matter of small size and robustness inside the machine, measuring device types without their own display are installed at these points.
  • Flow meter for compressed air measurement is installed closer to the outside of the compressed air connection.
  • the flowmeter would then be easily visible.
  • the invention now aims to be able to display the values of the pressure sensors also on the display of the flowmeter.
  • Another application example is the fill level indicator of a tank.
  • a commercial level gauge eg. By the radar principle or capacitive measuring, although a filling height can be detected, but if the tank has no vertical walls, the capacity is not proportional to the filling level.
  • Measured value i. the actual amount to be displayed from the control unit on the display of the level gauge on site.
  • Figure 1 shows a section of a network of automation technology
  • FIG. 2 shows a basic structure of a measuring device according to the invention.
  • FIG. 1 very schematically shows a section of a network 8 of FIG
  • Automation technology with various measuring devices 1 a, 1 b, 1 c of process and automation technology shown. These are in the present case at the reference numerals 1 a and 1 b to two pressure gauges, wherein 1 a is a so-called.
  • Transm itterstal in a compact design without its own display and control unit represents and 1 b a pressure gauge with its own display and control unit.
  • a flow or flow meter is referred to, which is exemplified here as a magnetic-inductive flowmeter (MID).
  • MID magnetic-inductive flowmeter
  • the measuring devices shown are only an example selection and can be replaced by all conceivable measuring devices of the process and automation technology, in particular for the detection of pressure, temperature, flow, but also distance or vibration.
  • the network 8 is preferably one, as shown
  • a PLC. critical is that the connection of the measuring devices 1 a, 1 b, 1 c takes place via the IO-Link communication system. Not shown further is the IO-Link master, which provides the interface to the higher-level controller 9 and the
  • the measuring device 1 is represented here by the flow meter 1 c.
  • the choice is arbitrary, the flow meter 1 c in the present case is particularly suitable because such meters often have particularly large display units 2 and displays. Furthermore, these are
  • Measuring instruments are often suitable because they are - as already explained above - usually mounted in places in the system, which are particularly easy to access, while compact pressure transmitters are rather hidden and mounted in inaccessible positions.
  • the measuring device 1 now displays the data, in particular current measured values, of the other measuring devices 1 a, 1 b of the network 8 on its display 2, as required. This makes it possible to be able to view this data at short notice without the control unit having to do so each time 9 to query.
  • FIG. 2 schematically shows the measuring device 1 according to the invention in the form of
  • the actual sensor element 3 which detects the physical quantity to be measured and converts it into a signal that is understandable for the evaluation unit 4, for example a microcontroller.
  • the evaluation unit 4 transmits this signal on the one hand to the communication interface 5, via which it is forwarded by means of digital communication 6 to the IO-Link master and then on to the control unit 9.
  • the evaluation unit 4 also passes the signal to the display unit 2, where it is then visualized accordingly.
  • the digital communication 6 is bidirectional as shown, so that signals from the meter 1 are received.
  • signals typical for IO-Link communication with which the measuring device 1 communicates with the control unit and, among other things, can also be set and parameterized therefor thus also signals from other measuring devices 1 a, 1 b of the network 8 meant.
  • These signals are sent via the control unit 9 to the measuring device 1 and passed there by the communication interface 5 to a switch 7, which is arranged between the display unit 2 and the evaluation unit 4.
  • This switch 7 decides which signals are transmitted to the display unit 2 and visualized there.
  • the switch 7 can then be influenced by the user.
  • the measurement signals are present at the standard communication interface 5 in the form of an analog or digital current or voltage signal. A certain voltage or
  • Measuring signals i.
  • the signals generated by the sensor element 3 of the displaying measuring device 1 are typically processed in the same way in the internal evaluation unit 4 that they can be displayed on the display unit 2.

Landscapes

  • Physics & Mathematics (AREA)
  • General Physics & Mathematics (AREA)
  • Engineering & Computer Science (AREA)
  • Computer Networks & Wireless Communication (AREA)
  • Arrangements For Transmission Of Measured Signals (AREA)

Abstract

L'invention concerne un appareil de mesure pour la technique des processus et de l'automatisation, qui comprend un élément sensible (3), une unité d'évaluation (4) pour la mise en forme et le traitement des signaux de mesure générés par l'élément sensible (3), une unité d'affichage (2) et une interface de communication standard (5) qui est conforme à la norme IO-Link, l'appareil de mesure (1) étant relié à un réseau (8) de la technique d'automatisation, qui comprend d'autres appareils de mesure (1a, 1b, 1c), de sorte que des données d'au moins un autre appareil de mesure (1a, 1b, 1c) peuvent être reçues et des données d'au moins un autre appareil de mesure (1a, 1b, 1c) au sein du réseau (8) peuvent être affichées sur l'unité d'affichage (2).
PCT/EP2018/055203 2017-03-03 2018-03-02 Appareil de mesure pour la technique des processus et de l'automatisation WO2018158441A1 (fr)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
DE102017203472.6 2017-03-03
DE102017203472.6A DE102017203472A1 (de) 2017-03-03 2017-03-03 Messgerät für die Prozess- und Automatisierungstechnik

Publications (1)

Publication Number Publication Date
WO2018158441A1 true WO2018158441A1 (fr) 2018-09-07

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PCT/EP2018/055203 WO2018158441A1 (fr) 2017-03-03 2018-03-02 Appareil de mesure pour la technique des processus et de l'automatisation

Country Status (2)

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DE (1) DE102017203472A1 (fr)
WO (1) WO2018158441A1 (fr)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN111580088A (zh) * 2019-02-18 2020-08-25 Vega格里沙贝两合公司 具有通信接口的雷达传感器

Families Citing this family (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
WO2020113476A1 (fr) 2018-12-05 2020-06-11 西门子股份公司 Procédé, appareil et système destinés à afficher des informations de mesure

Citations (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US20090065578A1 (en) * 2007-09-10 2009-03-12 Fisher-Rosemount Systems, Inc. Location Dependent Control Access in a Process Control System
WO2012016004A2 (fr) * 2010-07-28 2012-02-02 Fisher-Rosemount Systems, Inc. Outil d'entretien sur place portatif à diagnostic amélioré

Patent Citations (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US20090065578A1 (en) * 2007-09-10 2009-03-12 Fisher-Rosemount Systems, Inc. Location Dependent Control Access in a Process Control System
WO2012016004A2 (fr) * 2010-07-28 2012-02-02 Fisher-Rosemount Systems, Inc. Outil d'entretien sur place portatif à diagnostic amélioré

Cited By (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN111580088A (zh) * 2019-02-18 2020-08-25 Vega格里沙贝两合公司 具有通信接口的雷达传感器
CN111580088B (zh) * 2019-02-18 2023-11-03 Vega格里沙贝两合公司 具有通信接口的雷达传感器
US12019176B2 (en) 2019-02-18 2024-06-25 Vega Grieshaber Kg Radar sensor with a communication interface

Also Published As

Publication number Publication date
DE102017203472A1 (de) 2018-09-06

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