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다음과 같은 기능을 한번의 로그인으로 사용 할 수 있습니다.
NTIS 바로가기다음과 같은 기능을 한번의 로그인으로 사용 할 수 있습니다.
DataON 바로가기다음과 같은 기능을 한번의 로그인으로 사용 할 수 있습니다.
Edison 바로가기다음과 같은 기능을 한번의 로그인으로 사용 할 수 있습니다.
Kafe 바로가기국가/구분 | United States(US) Patent 등록 |
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국제특허분류(IPC7판) |
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출원번호 | US-0537532 (2012-06-29) |
등록번호 | US-9052240 (2015-06-09) |
발명자 / 주소 |
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출원인 / 주소 |
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대리인 / 주소 |
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인용정보 | 피인용 횟수 : 0 인용 특허 : 358 |
A temperature transmitter for sensing a temperature of an industrial process includes a temperature sensor arranged to provide a sensor output related to the temperature of the industrial process. Measurement circuitry is coupled to the temperature sensor and configured to determine the temperature
A temperature transmitter for sensing a temperature of an industrial process includes a temperature sensor arranged to provide a sensor output related to the temperature of the industrial process. Measurement circuitry is coupled to the temperature sensor and configured to determine the temperature of the industrial process based upon the sensor output. Output circuitry provides an output related to the measured temperature. A memory is configured to store temperature information related to excessive temperature events experienced by the temperature sensor. Diagnostic circuitry diagnoses a condition of the temperature sensor or other components based upon the stored temperature information.
1. A temperature transmitter for sensing a temperature of an industrial process, comprising: a temperature sensor arranged to provide a sensor output related to the temperature of the industrial process;measurement circuitry coupled to the temperature sensor configured to measure the temperature of
1. A temperature transmitter for sensing a temperature of an industrial process, comprising: a temperature sensor arranged to provide a sensor output related to the temperature of the industrial process;measurement circuitry coupled to the temperature sensor configured to measure the temperature of the industrial process based upon the sensor output;output circuitry configured to provide an output related to the measured temperature;a memory configured to store temperature information related to excessive temperature events experienced by the temperature sensor due to heat from the industrial process; anddiagnostic circuitry configured to diagnose a condition of the temperature sensor based upon the stored excessive temperature information. 2. The temperature transmitter of claim 1 wherein the memory is located in the temperature transmitter. 3. The temperature transmitter of claim 1 wherein the memory is coupled to the temperature sensor and the temperature sensor is removable from the transmitter. 4. The temperature transmitter of claim 1 wherein the excessive temperature information includes information related to a number of times the temperature sensor has experienced an excessive temperature event. 5. The temperature transmitter of claim 1 wherein the excessive temperature information includes information related to a duration during which the temperature sensor experienced an excessive temperature. 6. The temperature transmitter of claim 1 wherein the excessive temperature information includes a temperature experienced by the temperature sensor during an excessive temperature event. 7. The temperature transmitter of claim 1 wherein the condition diagnosed by the diagnostic circuitry relates to a remaining lifetime of the temperature sensor. 8. The temperature transmitter of claim 1 wherein the diagnosed condition of the temperature sensor relates to a predicted error in the measured temperature. 9. The temperature transmitter of claim 1 wherein the measurement circuitry compensates the measured temperature based upon the diagnosed condition. 10. The temperature transmitter of claim 1 wherein the temperature sensor comprises a Resistive Temperature Device (RTD). 11. The temperature transmitter of claim 1 wherein the temperature sensor comprises a Thermocouple. 12. A method of performing diagnostics on a temperature transmitter of the type used to sense a temperature of an industrial process, comprising: sensing the temperature of the industrial process using a temperature sensor and providing a sensor output related to the sensed temperature;measuring the temperature of the industrial process based upon the sensor output using measurement circuitry;providing an output related to the measured temperature;storing excessive temperature information in a memory, the excessive temperature information related to excessive temperature events experienced by the temperature sensor due to heat from the industrial process; anddiagnosing a condition of the temperature sensor based upon the stored excessive temperature information. 13. The method of claim 12 wherein the memory is located in the temperature transmitter. 14. The method of claim 12 wherein the memory is coupled to the temperature sensor and the temperature sensor is removable from the temperature transmitter. 15. The method of claim 12 wherein the excessive temperature information includes information related to a number of times the temperature sensor has experienced an excessive temperature event. 16. The method of claim 12 wherein the excessive temperature information includes information related to a duration during which the temperature sensor experienced an excessive temperature. 17. The method of claim 12 wherein the excessive temperature information includes the temperature experienced by the temperature sensor during an excessive temperature event. 18. The method of claim 12 wherein the diagnosed condition of the temperature sensor relates to a remaining lifetime of the temperature sensor. 19. The method of claim 12 wherein the diagnosed condition of the temperature sensor relates to a predicted error in the measured temperature. 20. The method of claim 12 including compensating the measured temperature based upon the diagnosed condition.
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