The patent badge is an abbreviated version of the USPTO patent document. The patent badge does contain a link to the full patent document.

The patent badge is an abbreviated version of the USPTO patent document. The patent badge covers the following: Patent number, Date patent was issued, Date patent was filed, Title of the patent, Applicant, Inventor, Assignee, Attorney firm, Primary examiner, Assistant examiner, CPCs, and Abstract. The patent badge does contain a link to the full patent document (in Adobe Acrobat format, aka pdf). To download or print any patent click here.

Date of Patent:
Apr. 16, 2024

Filed:

Mar. 10, 2022
Applicant:

Yokogawa Electric Corporation, Musashino, JP;

Inventors:

Fumihiro Yoshida, Musashino, JP;

Shunsuke Ebisumoto, Musashino, JP;

Assignee:
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
G01F 1/32 (2022.01);
U.S. Cl.
CPC ...
G01F 1/3209 (2013.01); G05B 2219/25428 (2013.01);
Abstract

A field device () includes a sensor () that measures a physical quantity and outputs a measurement signal indicating a measured value, converters () that perform a predetermined conversion process on the measurement signal, and a processor () that outputs an output signal corresponding to the measurement signal subjected to the conversion process. The processor () starts verifying operational soundness of the converters () when the measurement signal subjected to the conversion process satisfies a predetermined condition, and outputs, while the operational soundness of the converters () is being verified, a signal corresponding to the measurement signal subjected to the conversion process and acquired immediately before the operational soundness of the converters () is verified, or a signal corresponding to the measurement signal indicating a predetermined measured value of the sensor (), as the output signal.


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