Abstract: A fill-level measuring device for measuring a fill level of a fill substance in a container, which, following a single commissioning, can be used in a plurality of applications. The fill-level measuring device includes: A measuring unit, which serves to produce a measurement signal dependent on the fill-level; a memory, in which parameter sets for different applications are stored; and an evaluating unit, which serves for selecting a parameter set, for deriving, on the basis of this parameter set, the fill level from the measurement signal, and for making such fill level available for further processing, evaluation and/or display.

Abstract: A method for ascertaining and monitoring the fill level of a medium in a container via a field device, wherein transmission signals are transmitted toward the medium and are received as reflection signals. The transmission signals and the reflection signals are registered by means of data points in an envelope curve dependent on travel time or travel distance. Disturbance echo signals are registered by means of data points in a masking curve, the data points are connected with one another via connecting functions An evaluation curve is ascertained from the envelope curve; wherein, by means of a reduction algorithm, the number of data points in the masking curve and/or in the evaluation curve is reduced; and wherein, by an echo search algorithm, by means of the reduced masking curve and/or reduced evaluation curve, at least one wanted echo signal in the current envelope curve is ascertained.

Abstract: An improved and more accurate method for evaluating and correcting total measurement signals (TS(n)) of measuring devices. The invention concerns a method for evaluating and correcting total measurement signals (TS(n)) of a measuring device, wherein measuring signals are transmitted in the direction of a medium and reflected on a surface of the medium as wanted echo signals or on a surface of a disturbing element as interference signals and received. In the case of a modification of at least one technical, process condition in the container and/or a modification of at least one technical, measurement condition of the measuring device, an independent reference curve is ascertained on the basis of a current static reference curve, wherein the interference signals are masked out of the raw echo curve on the basis of a masking algorithm, which applies the independent reference curve.

Abstract: A method for the fill level measurement, in a container in which a first and/or a second fill substance can be located, for each fill substance present in the container. A rest position can be ascertained, which corresponds to the position, which the fill substance upper surface of the respective fill substance assumes due to the amount of the first fill substance present in the container and the amount of the second fill substance present in the container, when the entire amount of each fill substance in the container forms a single layer containing only this fill substance, wherein the first fill substance has a smaller specific weight than the second fill substance, and the two fill substances have different dielectric constants.

Abstract: A method for measuring a fill level of a fill substance in a container and for monitoring at least one predetermined fill level (LMIN, LMAX), using a fill level measuring device working according to the travel-time principle, as well as a corresponding fill level measuring device, wherein the monitoring satisfies high safety standards, wherein, in each measuring cycle, transmission signals (S) are sent toward the fill substance and their echo signals (E) are received, the fill level is determined, based on the echo signals (E), in a first evaluation method, and it is determined, based on the echo signals (E), in a second evaluation method independent of the first evaluation method, whether the fill level exceeds or falls beneath the predetermined fill levels (LMIN, LMAX).

Abstract: A reliable method for measuring a fill level of a fill substance in a container using a fill level measuring device working according to the travel-time principle, wherein, periodically, transmission signals are sent in the direction of the fill substance, their echo signals are registered and converted into an echo function, at least one echo characteristic of the echo function is determined and, on the basis of the echo characteristics of at least one preceding measurement, a prediction is derived for the echo characteristics to be expected in the case of the current measurement, the echo characteristics of the current measurement are determined taking into consideration the prediction, and, on the basis of the echo characteristics, the current fill level is determined.

Abstract: A method for ascertaining and monitoring fill level of a medium in a container by means of a field device by a travel time measuring method, wherein transmission signals are transmitted in the direction of the medium and reflection signals are received, wherein received reflection signals are registered as echo signals in an echo function dependent on travel time or travel distance, wherein position and/or amplitude at least of a wanted echo signal in the echo function are/is ascertained by means of an echo search algorithm and a continuous echo tracking of changes of position and/or of changes of amplitude of the wanted echo signal in the echo function is performed in a defined search window, wherein position and/or amplitude at least of a wanted echo signal is maintained, in case no wanted echo signal is ascertained in the search window, wherein from position and/or amplitude at least of a wanted echo signal, fill level is ascertained, and wherein a measured value of fill level is output.

Abstract: A field device, wherein only those faults are displayed, which are relevant for the particular application of the user. The field device includes: a means for detecting a plurality of field-device-specific faults and for generating associated field-device-specific fault reports; a memory for storing an application-specific fault report profile, which contains exclusively those field-device-specific faults, which are relevant for a particular application; an interface, via which a user provides the fault report profile and stores such in memory; and a means for output of fault reports, which exclusively outputs fault reports of faults contained in the fault report profile.

Abstract: A field device is able to diagnose a broad spectrum of possible faults and/or states, and includes: structure for performing user defined, diagnostic methods; which has an input circuit, via which at least one input variable is fed to the structure; which has an evaluation unit, which serves for deriving, on the basis of at least one input variable selected by the user and at least one evaluating method selected by the user, at least one characterizing variable; which has a monitoring unit, which monitors the derived characterizing variables on the basis of monitoring criteria selected by the user; and which has an output unit, which, upon the meeting of a monitoring criterion, outputs a diagnosis associated with such monitoring criterion; and an interface, via which a user selects the input variables for each user defined diagnostic method, selects the evaluating methods to apply to the input variables, selects the monitoring criteria, and specifies the diagnosis.

Abstract: A method for ascertaining and monitoring fill level of a medium in a container by means of a field device using a travel time, measuring method, wherein transmission signals are transmitted and reflection signals received. The received reflection signals are registered as echo signals in an echo function, wherein masking curve, evaluation curves and/or echo parameters of the echo signals in the echo function are ascertained or predetermined, as well as stored in a first measuring cycle. By means of a static echo search algorithm, through the masking curve, the evaluation curve, the echo parameters, position and/or amplitude of at least one wanted echo signal are/is ascertained, wherein, by means of a dynamic echo search algorithm, a continuous echo tracking of positional changes and/or amplitude changes of individual echo signals and/or the wanted echo signal in the echo function is performed.

Abstract: A process automation system for determining, monitoring and/or influencing different process variables and/or state variables in at least one manufacturing or analytical process. Included is: at least one control station; and a plurality of field devices; wherein in each field device at least one sensor is provided for ascertaining a measured value of a process variable and/or state variable and/or an actuator is provided for influencing a process variable and/or state variable by means of an actuating value. Each field device makes available its cyclically or acyclically ascertained, measuring-device-specific, measured values and/or actuating values of the process variable and/or state variable to every other field device of the process automation system as information, and the current information of all ascertained measured values and/or actuating values of the process variables and/or state variables is available to each field device as a current process-state-vector.

Abstract: An electronic device including electronics arranged in an electronics compartment and having electronic and/or electromechanical components. The device automatically detects and/or monitors wear of its electronic and/or electromechanical components and includes an apparatus for detecting and/or monitoring wear of the electronic and/or electromechanical components. Included is at least one element arranged in the electronics compartment. This element is independent of the electronics and has at least one physical property, which changes irreversibly as a function of wear of the element. The apparatus further includes a circuit for measuring the physical property, and an evaluating unit, which, based on the measured physical property, detects and/or monitors wear of the element and makes available a wear-dependent output signal.

Abstract: A method for start-up and/or operation of a communication system composed of at least one multivariable sensor, at least one converter unit and at least one receiving unit, which are connected with one another via a two-wire line. A primary measured value in the form of an analog signal and extra measured values in the form of an encoded digital signal modulated on the analog signal are provided from the multivariable sensor via the two-wire line, wherein only analog signals are received by the receiving unit. The extra measured values are scaled in the multivariable sensor into formatted values by means of a conversion algorithm, wherein at least the formatted values are requested and received by the converter unit, and wherein corresponding analog signals of the extra measured values are produced from the formatted values in the converter unit by a fixedly predetermined, unconfigurable, reconversion algorithm.

Abstract: An improved and more accurate method for evaluating and correcting total measurement signals (TS(n)) of measuring devices. The invention concerns a method for evaluating and correcting total measurement signals (TS(n)) of a measuring device, wherein measuring signals are transmitted in the direction of a medium and reflected on a surface of the medium as wanted echo signals or on a surface of a disturbing element as interference signals and received. In the case of a modification of at least one technical, process condition in the container and/or a modification of at least one technical, measurement condition of the measuring device, an independent reference curve is ascertained on the basis of a current static reference curve, wherein the interference signals are masked out of the raw echo curve on the basis of a masking algorithm, which applies the independent reference curve.

Abstract: A method for ascertaining and/or evaluating the fill-state of a container filled with at least one medium, wherein high-frequency, electromagnetic, measuring signals are emitted by a fill-level measuring device and received back as wanted echos reflected at an interface of the media. The electromagnetic, measuring signals are received back as an end echo reflected at a measuring range end, wherein, from the received wanted echos and the end echo, an echo curve is formed as a function of travel-time and/or the travel-distance, wherein, by means of a search algorithm integrated in the fill-level measuring device, number, existence and/or position of individual wanted echos and of the end echo in the echo curve are/is ascertained and applied for classifying the currently present fill-state in the container relative to predetermined, stored, fill situations in the container.

Abstract: A method for measuring a fill level (7) of a fill substance (1) in a container (3) and for monitoring at least one predetermined fill level (LMIN, LMAX), using a fill level measuring device (5) working according to the travel-time principle, as well as a corresponding fill level measuring device (5), wherein the monitoring satisfies high safety standards, wherein, in each measuring cycle, transmission signals (S) are sent toward the fill substance (1) and their echo signals (E) are received, the fill level (7) is determined, based on the echo signals (E), in a first evaluation method, and it is determined, based on the echo signals (E), in a second evaluation method independent of the first evaluation method, whether the fill level exceeds or falls beneath the predetermined fill levels (LMIN, LMAX).

Abstract: The invention relates to an electronic device (1) and a method for carrying out several processes with said electronic device (1), by means of which rapid solution times may be achieved in a resource-saving manner, whereby, in operation, said electronic device (1) carries out first and second processes (P1, P2), of which the first process (P1) may be carried out in the form of an approximation (P1-N) and in the form of an executable calculation (P1-B). The electronic device comprises a processor (9), for carrying out processes (P1, P2) and an electronic unit (11) comprises a device which recognizes whether the processor (9) is active and serves to carry out the first process (P1) during a simultaneous processing of two processes by the processor (9), by itself determining the approximation (P1-N), used in place of an executable calculation (P1-B), carried out by the processor (9).

Abstract: A radiometric measuring device for mounting at a container fillable with a filling substance. The measuring device, which is cost-favorable both in installation and operation, includes: A radioactive source, which, during operation, sends radioactive radiation through the container; at least two detectors, which serve for registering radiation passing through the container and for producing electrical pulse rates corresponding to the registered radiation; wherein the detectors are connected together and with a superordinated unit by a single line running outside of the detectors. The pulse rates and, in the form of offsets, status of the detectors are transmitted on the single line.

Abstract: A reliable method for measuring a fill level (7) of a fill substance (1) in a container (3) using a fill level measuring device (5) working according to the travel-time principle, wherein, periodically, transmission signals (S) are sent in the direction of the fill substance (1), their echo signals (E) are registered and converted into an echo function (A(t)), at least one echo characteristic of the echo function (A(t)) is determined and, on the basis of the echo characteristics of at least one preceding measurement, a prediction (P) is derived for the echo characteristics to be expected in the case of the current measurement, the echo characteristics of the current measurement are determined taking into consideration the prediction (P), and, on the basis of the echo characteristics, the current fill level (7) is determined.

Abstract: A measuring instrument is provided, to which various ultrasonic sensors can be connected in a simple way. The measuring instrument has an electronic measuring instrument unit, to which various ultrasonic sensors can be connected, and having an apparatus for detecting the ultrasonic sensor that is connected, which apparatus, for detecting the ultrasonic sensor, causes the ultrasonic sensor to oscillate, picks up its oscillation behavior, and from that derives a sensor-specific variable.