Field device charging power regulation

    公开(公告)号:US10461562B2

    公开(公告)日:2019-10-29

    申请号:US15634339

    申请日:2017-06-27

    Applicant: Rosemount Inc.

    Abstract: A field device for an industrial process includes device circuitry, a shunt circuit, a bulk supply a charging power regulator and a supplemental circuit. The device circuitry is configured to receive power and communicate data over a two-wire process control loop. The shunt circuit is configured to shunt an unused portion of the power to an electrical ground. The charging power regulator is configured to regulate an excess portion of the power to charge the bulk supply based on the unused portion. The supplemental circuit is powered by the bulk supply.

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