Micromotion Gmbh

William M Mansfield

Craig B McAnally

Paul J Hays

Craig B Mcanally

Shaun E Shanahan

Atul Vasant Deshpande

Clayton T James

Brian T Smith

Timothy J Cunningham

Howard Irving Sohm, Jr

Michael John Zolock

David Clarke

Stig Lindemann

Vishal Bhosale

Ulhas Arun Shouche

Richard L Woolf

William Harris, Jr

Jr Sohm Howard Irving

Craig Mcanally

An electronics () configured to determine an input voltage to a galvanic isolation point of the electronics () is provided. The electronics () comprises an isolation transformer () configured to conduct a primary current (Ip) provided by an input voltage source (), and provide a secondary voltage (Vs), the secondary voltage (Vs) being proportional to a primary voltage (Vp) induced by the primary current (Ip). The electronics () also comprises a peak detection circuit () coupled to the isolation transformer (), the peak detection circuit () being configured to receive the secondary voltage (Vs) and, based on the secondary voltage (Vs), provide a signal that is proportional to the primary voltage (Vp).

Determining an input voltage to a galvanic isolation point

Electronic housing

An enhanced safety serial bus connector () is provided. The enhanced safety serial bus connector () includes a shell () with a first end () and a second end (), the first end () being a terminal end of the shell () and having a terminal centerline (CL), and the second end () being the lead end of the shell (). The enhanced safety serial bus connector () also includes an insulating body () disposed inside the shell () and extending from approximately the first end () to the second end () and a plurality of conductors () substantially disposed in the insulating body () and extending from the first end () to the second end (). The plurality of conductors () include contacts () that are proximate the first end () and have contact centerlines (X, Y) that are substantially parallel to the terminal centerline (CL), wherein each conductor (-) of the plurality of conductors () are spaced apart from an adjacent conductor (-) with a distance that substantially conforms to spacing requirements of a serial bus standard that defines a voltage on the plurality of conductors () and is equal to or greater than a minimum enhanced safety distance requirement for the voltage defined by the serial bus standard.

Enhanced safety serial bus connector

An input protection circuit () for an optocoupler () is provided. The input protection circuit () includes a first voltage limiter (D) with a first terminal that is electrically coupled to an input terminal of an amplifier circuit (), wherein the input terminal of the amplifier circuit () is configured to receive a PWM signal and the amplifier circuit () is configured to provide a voltage to the optocoupler ().

Input protection circuit for an analog optocoupler

A method of controlling a mode of a device is provided. The method includes determining a Vbus voltage on a Vbus pin in a USB connector on the device, comparing the Vbus voltage with a threshold, and configuring the device based on the comparison of the Vbus voltage and the threshold.

Method and apparatus to control a mode of a device

A feed-through () is provided according to the invention. The feed-through () includes a body () including a passage (), a plug () located in and substantially blocking the passage (), one or more conductors () extending through the plug (), and a reduced diameter region () located on an exterior surface of the body (), with the reduced diameter region () being adapted to receive ends of one or more projecting fasteners () of a second component.

Feed-through

A flameproof feed-through () includes a feed-through element () comprising a substantially planar shape, a first interface region (), and a second interface region (), wherein one or more conductors () extend between the first interface region () and the second interface region (). The flameproof feed-through () further includes one or more body portions () assembled to the feed-through element (), with the one or more body portions () holding the feed-through element () in position with respect to the aperture. The first interface region () of the feed-through element () extends at least partially to a first side () of the flameproof feed-through () and wherein the second interface region () of the feed-through element () extends at least partially to a second side () of the flameproof feed-through ().

Flameproof electrical feed-through

A method for determining a temperature of a vibrating sensor component (A,A,'A) coupled to a conduit (A,B) of a vibrating meter () is provided. The method comprises a step of supplying the vibrating sensor component (A,A,&#x2032;A) with a temperature determination signal (). The method also comprises a step of measuring a resulting signal (). The method further comprises a step of determining a temperature of the sensor component (A,A,&#x2032;A) based on the temperature determination signal () and the resulting signal ().

Method and apparatus for determining a temperature of a vibrating sensor component of a vibrating meter

A method for executing a processing routine that utilizes an external memory is provided. The processing routine requires more than one external memory access. The method comprises the step of distributing the external memory access after a predetermined number of external memory accesses.

Processing system with external memory access control

A bus instrument () configured to predictively limit power consumption and adapted for use with a two-wire instrumentation bus is provided. The bus instrument () includes a sensor (), a shunt regulator (), and a controller (). The controller () is configured to generate a predicted available power Pthat will be available to the bus instrument () after a change in the loop current I, compare the predicted available power Pto a present time power Pcomprising a controller power Pplus a sensor power P, and reduce the sensor power Pif the total available power Pis less than the controller power Pplus the sensor power P.

Bus instrument and method for predictively limited power consumption in a two-wire instrumentation bus

An instrument power controller () for adaptively providing an output voltage Vand an output current Ithat together maintain a substantially constant electrical output power Pis provided. The controller () includes inputs () for receiving an input power P, outputs () for providing the substantially constant output power Pto a variable impedance load L, and a communication path () for receiving a load voltage V. The instrument power controller () is configured to determine an input voltage Vand an input current I, determine an effective resistance Rof the load L and set the output voltage Vand the output current Ibased on the input voltage V, the input current I, and the effective resistance R. The output voltage Vis substantially independent from the input voltage V. The output voltage Vand the output current Iare varied to maximize a load power Pwhile maintaining the substantially constant electrical output power P.

Instrument power controller and method for adaptively providing an output voltage and an output current that together maintain a substantially constant electrical output power

A meter electronics () for generating a drive signal for a vibratory flowmeter () is provided according to an embodiment of the invention. The meter electronics includes an interface () and a processing system (). The processing system is configured to receive the sensor signal () through the interface, phase-shift the sensor signal () substantially 90 degrees to create a phase-shifted sensor signal, determine a phase shift value from a frequency response of the vibratory flowmeter, and combine the phase shift value with the sensor signal () and the phase-shifted sensor signal in order to generate a drive signal phase (). The processing system is further configured to determine a sensor signal amplitude () from the sensor signal () and the phase-shifted sensor signal, and generate a drive signal amplitude () based on the sensor signal amplitude (), wherein the drive signal phase () is substantially identical to a sensor signal phase ().

Meter electronics and methods for generating a drive signal for a vibratory flowmeter

A step-down voltage converter () for generating an output voltage (VOUT) from an input voltage (VIN) is provided. The converter () includes a switch () having a first terminal () and a second terminal (), wherein the second terminal () is electrically coupled with the output voltage (VOUT). Also included is a rectifier () having a first terminal () and a second terminal (), wherein the second terminal () is electrically coupled with the output voltage (VOUT). A first inductor () electrically couples the first terminal () of the switch () with the input voltage (VIN). A second inductor () magnetically coupled with the first inductor () electrically couples the first terminal () of the rectifier () with a voltage reference (). A switch controller () coupled with the output voltage (VOUT) is configured to control the switch ().

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Boulder, CO, United States of America

William M Mansfield