PROCESS FIELD DEVICE WITH RADIO FREQUENCY COMMUNICATION

A field device for use in an industrial process control or monitoring system connects to a two-wire process control loop. The loop carries data and provides power to the field device. RF circuitry in the field device is provided for radio frequency communication. A power supply powers the RF circuit...

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Bibliographische Detailangaben
Hauptverfasser:	WILLCOX, CHARLES R, BRODEN, DAVID A, WESTFIELD, BRIAN L, KARSCHNIA, ROBERT J, ORTH, KELLY M
Format:	Patent
Sprache:	eng ; fre ; ger
Schlagworte:	CALCULATING COMPUTING CONTROL OR REGULATING SYSTEMS IN GENERAL CONTROLLING COUNTING ELECTRIC DIGITAL DATA PROCESSING FUNCTIONAL ELEMENTS OF SUCH SYSTEMS MONITORING OR TESTING ARRANGEMENTS FOR SUCH SYSTEMS ORELEMENTS PHYSICS REGULATING
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Beschreibung
Zusammenfassung:	A field device for use in an industrial process control or monitoring system connects to a two-wire process control loop. The loop carries data and provides power to the field device. RF circuitry in the field device is provided for radio frequency communication. A power supply powers the RF circuitry using power received from the two-wire process control loop.