Abstract: A method for determining and/or monitoring a predeterminable fill level of a medium in a container using a vibronic sensor having at least one sensor unit with a mechanically vibratable unit, comprises exciting the mechanically vibratable unit with an excitation signal to produce mechanical vibrations, and receiving the mechanical vibrations in the form of a reception signal, determining an amplitude and a frequency of the reception signal, comparing the frequency and amplitude of the reception signal with a predeterminable frequency limit value and a predeterminable amplitude limit value, and determining a reaching of the predeterminable fill level on the basis of the comparison.

Abstract: Provided is a method for process monitoring in automation technology based at least on one capacitive and/or conductive measuring probe for determining at least one process variable of at least one medium in a container, an apparatus suitable for executing the method, as well as a computer program and a computer readable medium. The method includes method steps of ascertaining whether the measuring probe is at least partially in contact with the medium and registering as a function of time at least an electrical conductivity of the medium, a dielectric constant of the medium and/or a degree of coverage of the measuring probe by the medium. The method also includes a step of monitoring the process running within the container based on the electrical conductivity, the dielectric constant and/or the degree of coverage as a function of time.

Abstract: A method for monitoring condition of a vibronic sensor for determining and/or monitoring at least one process variable of a medium in a containment and having at least one sensor unit having a mechanically oscillatable unit includes: exciting the mechanically oscillatable unit by means of an excitation signal such that mechanical oscillations are executed, and receiving the mechanical oscillations in the form of a received signal, determining a measured value for amplitude and a measured value for frequency of the received signal, comparing the measured values for amplitude and frequency with reference values for amplitude and frequency, and ascertaining a condition indicator from the comparison.

Abstract: A sensor adapter for a device for determining and/or monitoring at least one process variable of a medium in a container with a measuring probe, comprising: at least one adapter measuring probe with at least one adapter electrode, an adapter housing with structure for detachably fastening the sensor adapter on the device, and a contacting unit for the electrical contact of at least one electrode of the device with at least one adapter electrode of the sensor adapter.

Abstract: Apparatus for capacitive determining and/or monitoring of at least one process variable of a medium in a container, comprising at least one sensor unit with at least one sensor electrode, a housing and an electronics unit, wherein the electronics unit is embodied to supply the sensor unit with a high-frequency exciter signal, to receive a response signal from the sensor unit, and to provide at least from the response signal information concerning the fill level of medium in the container. The apparatus includes, furthermore, a coupling element, which is arranged and embodied in such a manner at least at times to establish a conductive connection between at least one portion of the housing and at least one component of the electronics unit and at least at times to effect a capacitive coupling between the two components.

Abstract: A sensor adapter for a device for determining and/or monitoring at least one process variable of a medium in a container with a measuring probe, comprising: at least one adapter measuring probe with at least one adapter electrode, an adapter housing with structure for detachably fastening the sensor adapter on the device, and a contacting unit for the electrical contact of at least one electrode of the device with at least one adapter electrode of the sensor adapter.

Abstract: Field device of automation technology, comprising: a housing; arranged in or on the housing a first light emitting means, which serves as visual status display and which is arranged in such a manner that it is visible externally of the housing; arranged in the housing a second light emitting means, which is adapted to activate the first light emitting means such that the first light emitting means emits light; located in the housing a field device electronics, which is adapted to activate the second light emitting means via a signal with a predetermined frequency such that the second light emitting means emits light, such that the second light emitting means activates the first light emitting means such that the first light emitting means emits light.

Abstract: The present disclosure relates to an additional module for a processing and/or automation field device, at least including a module housing, an optical receiving unit which is arranged at least partly within the module housing, an electronic module unit, and a display/transmission unit. The optical receiving unit is designed to wirelessly receive at least one first optical signal from the field device and to convert the at least one first optical signal into at least one first electric signal, and the electronic module unit is electrically connected to the receiving unit and to the display/transmission unit.

Abstract: The present disclosure relates to a method for process monitoring in automation technology based at least on one capacitive and/or conductive measuring probe for determining at least one process variable of at least one medium in a container, an apparatus suitable for executing the method, as well as a computer program and a computer readable medium. The method comprises method steps ascertaining whether the measuring probe is at least partially in contact with the medium and registering as a function of time at least an electrical conductivity of the medium, a dielectric constant of the medium and/or a degree of coverage of the measuring probe by the medium. The method also includes a step of monitoring at least one, or the, process running within the container based on the electrical conductivity, the dielectric constant and/or the degree of coverage as a function of time.

Abstract: A method and an apparatus for monitoring at least one media-specific property of a medium in automation technology with a measuring probe, wherein the at least one media-specific property is ascertained in a conductive operating mode and in a capacitive operating mode of the measuring probe. The conductive operating mode and the capacitive operating mode are operated alternately, wherein based on the measured values, which are ascertained in at least one of the two operating modes, it is checked, whether the at least one media-specific property to be monitored lies within a predetermined tolerance band, and wherein a report and/or a switching signal is generated, when the at least one media-specific property to be monitored lies outside of the predetermined tolerance band.

Abstract: Method for monitoring a predetermined fill level of a medium (3) in a container (2) with at least one measuring probe (1) and an electronics unit (7), wherein the measuring probe (1) is operated alternately in the conductive and in the capacitive operating modes, wherein the measuring probe (1) is supplied with an exciter signal, which is composed of two different, time alternatingly sequential, periodic signal components, wherein in a first time interval the first periodic signal component is generated for the conductive operating mode and in a second time interval the second periodic signal component is generated for the capacitive operating mode, wherein from the capacitive or conductive operating mode response signal obtained from the measuring probe (1) as a function of the current signal component, it is ascertained, whether the predetermined fill level has been reached, and wherein a report is generated upon the exceeding or subceeding of this fill level.

Abstract: A probe unit having a coaxial structure and including a probe electrode, a guard electrode and a contacting module arranged on a section of the probe electrode, which contacting module including an insulating sleeve, a flexible circuit board with a first conduction path for the electrical contacting of the probe electrode and a second conduction path for the electrical contacting of the guard electrode, and a module housing, wherein a first contact plate is provided that electrically contacts the first conduction path, the module housing including a second contact plate that electrically contacts the second conduction path, wherein the module housing has a pot-shaped geometry with a cylindrical wall, which wall substantially surrounds, protects and/or electromagnetically shields at least the probe electrode in the region in which the contacting module is arranged, at least a part of the insulating sleeve, and at least sections of the circuit board.

Abstract: A method and an apparatus for monitoring a set fill level of a medium in a container using a fill level measuring probe that is designed to operate as a conductive fill level measuring probe in a conductive operating mode and as a capacitive fill level measuring probe in a capacitive operating mode, with a control/evaluation/output unit that is designed to alternately trigger conductive operating mode and capacitive operating mode, and with a control/evaluation/output unit that determines whether the set fill level of the medium in the container has been reached on the basis of the measured values from the two operating modes, and which generates a message when the set fill level is exceeded and/or undershot.

Abstract: Field device of automation technology, comprising: a housing; arranged in or on the housing a first light emitting means, which serves as visual status display and which is arranged in such a manner that it is visible externally of the housing; arranged in the housing a second light emitting means, which is adapted to activate the first light emitting means such that the first light emitting means emits light; located in the housing a field device electronics, which is adapted to activate the second light emitting means via a signal with a predetermined frequency such that the second light emitting means emits light, such that the second light emitting means activates the first light emitting means such that the first light emitting means emits light.

Abstract: Apparatus for capacitive determining and/or monitoring of at least one process variable of a medium in a container, comprising at least one sensor unit with at least one sensor electrode, a housing and an electronics unit, wherein the electronics unit is embodied to supply the sensor unit with a high-frequency exciter signal, to receive a response signal from the sensor unit, and to provide at least from the response signal information concerning the fill level of medium in the container. The apparatus includes, furthermore, a coupling element, which is arranged and embodied in such a manner at least at times to establish a conductive connection between at least one portion of the housing and at least one component of the electronics unit and at least at times to effect a capacitive coupling between the two components.

Abstract: A method for stabilizing the clock frequency of a microcontroller associated with a field device of automation technology. The field device as a function of application is exposed to different process conditions, wherein the clock frequency of the microcontroller is ascertained at least two different temperature values, and/or at least two different voltage values. Based on the ascertained values, the dependence of the clock frequency of the microcontroller on temperature over a predetermined temperature- and/or frequency range and/or the dependence of the clock frequency of the microcontroller on voltage over a predetermined voltage- and/or frequency range is ascertained. The ascertained values are stored, and the influence of temperature and/or voltage on the clock frequency of the microcontroller is at least approximately compensated taking into considering the ascertained temperature dependence and/or the ascertained voltage dependence.

Abstract: The present disclosure relates to an additional module for a processing and/or automation field device, at least including a module housing, an optical receiving unit which is arranged at least partly within the module housing, an electronic module unit, and a display/transmission unit. The optical receiving unit is designed to wirelessly receive at least one first optical signal from the field device and to convert the at least one first optical signal into at least one first electric signal, and the electronic module unit is electrically connected to the receiving unit and to the display/transmission unit.

Abstract: A signal generator for producing periodic signals for a measuring apparatus of automation technology. The signals have sequential, discrete signal frequencies, which lie within a predetermined frequency range. A control- and/or computing unit, a clock signal producer are provided, wherein the clock signal producer provides a constant sampling frequency, which is greater than the maximum discrete signal frequency in the predetermined frequency range. A memory unit is provided, in which for each of the discrete signal frequencies the amplitude values of the corresponding periodic signals are stored or storable as a function of the sampling frequency. The control- and/or computing unit reads out the stored or storable amplitude values of the discrete frequencies successively with the sampling frequency of the clock from the memory unit and produces the periodic signals, or forwards for producing.

Abstract: A probe unit having a coaxial structure and including a probe electrode, a guard electrode and a contacting module arranged on a section of the probe electrode, which contacting module including an insulating sleeve, a flexible circuit board with a first conduction path for the electrical contacting of the probe electrode and a second conduction path for the electrical contacting of the guard electrode, and a module housing, wherein a first contact plate is provided that electrically contacts the first conduction path, the module housing including a second contact plate that electrically contacts the second conduction path, wherein the module housing has a pot-shaped geometry with a cylindrical wall, which wall substantially surrounds, protects and/or electromagnetically shields at least the probe electrode in the region in which the contacting module is arranged, at least a part of the insulating sleeve, and at least sections of the circuit board.

Abstract: Method for monitoring a predetermined fill level of a medium (3) in a container (2) with at least one measuring probe (1) and an electronics unit (7), wherein the measuring probe (1) is operated alternately in the conductive and in the capacitive operating modes, wherein the measuring probe (1) is supplied with an exciter signal, which is composed of two different, time alternatingly sequential, periodic signal components, wherein in a first time interval the first periodic signal component is generated for the conductive operating mode and in a second time interval the second periodic signal component is generated for the capacitive operating mode, wherein from the capacitive or conductive operating mode response signal obtained from the measuring probe (1) as a function of the current signal component, it is ascertained, whether the predetermined fill level has been reached, and wherein a report is generated upon the exceeding or subceeding of this fill level.