Micromotion Gmbh

Andrew Stephen Kravitz

Craig B McAnally

Paul J Hays

Tonya L Wyatt

Craig B Mcanally

Mark James Bell

Martin Andrew Schlosser

George Alexander MacDonald

Anthony Gentile

Matthew A Heller

Nathan C Murra

A meter electronics () configured to notify of an event and apportion process data is provided. The meter electronics () comprises a memory () configured to continuously store the process data () for a duration (), a processor () communicatively coupled to the memory (). The processor () is configured to detect one or more events () in the process data () and at least one of generate a notification () and apportion the process data () based on the detected one or more events ().

Notification of events and apportioning of process data in a meter

An electrical transmitter () is provided that comprises an ethernet connection () and a power source. Electronics () are configured to receive the ethernet connection () and the power source. The electronics () comprise logic operable to detect the power source and accept power from either the ethernet connection () or a dedicated power connection (). A remappable power connection terminal () with the electronics () is operable to accept power when the dedicated power connection () is detected, and operable to accept a non-power connection when power from the ethernet connection () is detected.

Apparatus and method for a mappable I/O channel on an electrical transmitter

A vibratory sensor () includes a vibratory element (), a receiver circuit () that receives a vibration signal from the vibratory element (), and a drive circuit () that generates a drive signal. The drive circuit () includes a closed-loop drive () and an open-loop drive (). The meter electronics () vibrates the vibratory element () commencing at a commanded first frequency and in an open-loop manner to achieve a first target phase difference &#x3d5;for a fluid being characterized and determines a corresponding first frequency point &#x3c9;, vibrates the vibratory element () commencing at a commanded second frequency and in the open-loop manner to achieve a second target phase difference &#x3d5;and determines a corresponding second frequency point &#x3c9;, and determines a viscosity of the fluid being characterized using the first frequency point &#x3c9;and the second frequency point &#x3c9;

Vibratory sensor and method of varying vibration in a vibratory sensor

A system and method of generating a synthetic time period output signal for a fork density sensor () which produces a consistent and low-noise output signal () which is identical in frequency to the frequency at which the fork density meter vibrates. Such a synthetic signal generated by a meter signal prevents any real noise from the pickoffs from propagating to the output meter and removes process noise and interference from the produced output signal.

Method for generating a synthetic time period output signal

A vibratory cavity density meter (-) is provided. The vibratory cavity density meter (-) includes a pipe (-) extending from a first end (-) to a second end (-). The first end (-) includes an aperture (-) configured to receive a material from a container () and the second end (-) is self-enclosed so as to contain the material in the pipe (-). The vibratory cavity density meter (-) also includes at least one transducer () coupled to the pipe (-), the at least one transducer () configured to one of induce and sense a vibration in the pipe (-) to measure a property of the material.

Vibratory cavity density meter

A method of controlling a vibration of a vibratory element based on a phase error is provided. The method includes vibrating the vibratory element with a drive signal, receiving a vibration signal from the vibratory element, measuring a phase difference between the drive signal and the vibration signal, determining a phase error between a target phase difference and the measured phase difference, and calculating one or more vibration control terms with the determined phase error.

Controlling a vibration of a vibratory sensor based on a phase error

A method () of determining a vibration response parameter of a vibratory element () is provided. The method () includes vibrating the vibratory element () at a first frequency with a first drive signal, receiving a first vibration signal from the vibratory element () vibrated at the first frequency, measuring a first phase difference, the first phase difference being a phase difference between the first drive signal and the first vibration signal. The method () also includes vibrating the vibratory element () at a second frequency with a second drive signal, receiving a second vibration signal from the vibratory element () vibrated at the second frequency, measuring a second phase difference, the second phase difference being a phase difference between the second drive signal and the second vibration signal. The method () further includes using the first phase difference and the second phase difference to determine at least one of a phase difference, and a frequency of the vibratory element ().

Determining a vibration response parameter of a vibratory element

A vibratory sensor () includes a vibratory element (), a receiver circuit () that receives a vibration signal from the vibratory element (), and a drive circuit () that generates a drive signal. The drive circuit () includes a closed-loop drive () and an open-loop drive (). The meter electronics () vibrates the vibratory element () commencing at a commanded first frequency and in an open-loop manner to achieve a first target phase difference &#x3d5;for a fluid being characterized and determines a corresponding first frequency point &#x3c9;, vibrates the vibratory element () commencing at a commanded second frequency and in the open-loop manner to achieve a second target phase difference &#x3d5;and determines a corresponding second frequency point &#x3c9;and determines a viscosity of the fluid being characterized using the first frequency point &#x3c9;and the second frequency point &#x3c9;

A vibratory sensor () includes a vibratory element () configured to generate a vibration signal and a meter electronics () coupled to the vibratory element () and receiving the vibration signal, with the meter electronics () including a gain stage () coupled to the vibratory element () and receiving the vibration signal, with the gain stage () amplifying the vibration signal by a predetermined gain to generate a saturated vibration signal, and a signal processor () coupled to the gain stage (), with a first input () of the signal processor () receiving the saturated vibration signal and determining a vibration signal frequency from the saturated vibration signal and with a second input () of the signal processor () receiving the vibration signal and determining a vibration signal amplitude from the vibration signal.

Vibratory sensor and method

A method () of generating a drive signal for a vibratory sensor () is provided. The method () includes vibrating a vibratory element () configured to provide a vibration signal, receiving the vibration signal from the vibratory element () with a receiver circuit (), generating a drive signal that vibrates the vibratory element () with a driver circuit () coupled to the receiver circuit () and the vibratory element (), and comparing a phase of the generated drive signal with a phase of the vibration signal.

Method of generating a drive signal for a vibratory sensor

A multiple temperature sensor system () includes a temperature sensor network () including temperature-sensing resistors Rand R() and frequency-selective filters () coupled to the plurality of temperature-sensing resistors Rand R(). The frequency-selective filters () pass distinct time-varying signals into the temperature sensor network () and pass attenuated distinct time-varying signals out. The system () further includes a temperature measurement N controller () coupled to the temperature sensor network () and configured to inject the distinct time-varying signals into the temperature sensor network (), receive the attenuated distinct time-varying signals in response to the injection, with the attenuated distinct time-varying signals being attenuated by the temperature sensing resistors (), and generate two or more substantially simultaneous temperature values from the attenuated distinct time-varying signals.

Multiple temperature sensor system

A vibratory meter () is provided, including one or more flow conduits (), one or more pickoff sensors ('), and a driver (). Meter electronics () is configured to vibrate the one or more flow conduits () using a drive signal including an initial vibration frequency and to receive a pickoff sensor signal from the one or more pickoff sensors (&#x2032;) in response, iteratively offset a phase difference between the drive signal and the pickoff sensor signal by a predetermined phase increment and measure a resulting vibrational frequency and amplitude, with the offsetting operatively sweeping the vibration frequency over a predetermined vibration frequency range and therefore generating a plurality of vibration amplitudes and a corresponding plurality of vibration frequencies, and determine a substantially maximum amplitude response in the plurality of vibration amplitudes and designate the corresponding vibration frequency as comprising the resonant frequency.

Vibratory meter and method for determining resonant frequency

An opto-isolation circuit () is provided, including an optocoupler () configured to optically transfer a raw output signal, a conversion circuit () coupled to an optocoupler output and configured to convert the raw output signal into a predetermined converted signal, and a control circuit () coupled to the optocoupler output. The control circuit () is configured to generate an autonomous control signal from the raw output signal after the raw output signal passes through the optocoupler (), wherein the autonomous control signal is generated only if the raw output signal exceeds a predetermined conversion threshold, and control the conversion circuit () and convert the raw output signal into the predetermined converted signal if the autonomous control signal is generated by the control circuit () and output the raw output signal to an output port if the autonomous control signal is not generated by the control circuit ().

Opto-isolation circuit having a conversion circuit controlled by an autonomous control signal

A flow measurement system () is provided according to an embodiment of the invention. The flow measurement system () comprises a vibrating flow meter () including at least one flow tube () and a driver () adapted to apply a biasing force on the flow tube (). The flow measurement system () also comprises a meter electronics () configured to generate a drive signal to vibrate the flow tube () about a first deflected position (), wherein the first deflected position () is offset from a flow tube rest position ().

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Erie, CO, United States of America

Andrew Stephen Kravitz