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John A Kielb, Brian L Westfield: RF adapter for field device with loop current bypass. Rosemount, Westman Champlin & Kelly P A, November 1, 2011: US08049361 (4 worldwide citation)

A wireless adapter for use with a two-wire process control loop is configured to couple to a process field device in an industrial process control system. The wireless adapter is coupled to the two-wire process control loop and provides wireless communication to the process field device. The adapter ...


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John A Kielb, Brian L Westfield: Rf adapter for field device with loop current bypass. Westman Champlin & Kelly Pa, December 17, 2009: US20090311971-A1

A wireless adapter for use with a two-wire process control loop is configured to couple to a process field device in an industrial process control system. The wireless adapter is coupled to the two-wire process control loop and provides wireless communication to the process field device. The adapter ...


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Kielb John A, Westfield Brian L: Rf adapter for field device with loop current bypass. Rosemount, Kielb John A, Westfield Brian L, Champlin Judson K, December 23, 2009: WO/2009/154749

A wireless adapter for use with a two-wire process control loop (22) is configured to couple to a process field device (12) in an industrial process control system. The wireless adapter (30) is coupled to the two-wire process control loop (22) and provides wireless communication to the process field ...


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Kielb John A, Westfield Brian L: RF adapter for field device with loop current bypass. Rosemount, pan jianying, June 1, 2011: CN200980122787

A wireless adapter for use with a two-wire process control loop (22) is configured to couple to a process field device (12) in an industrial process control system. The wireless adapter (30) is coupled to the two-wire process control loop (22) and provides wireless communication to the process field ...


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KIELB JOHN A, WESTFIELD BRIAN L: ADAPTATEUR RF POUR DISPOSITIF DE TERRAIN A DERIVATION DE COURANT EN BOUCLE, RF ADAPTER FOR FIELD DEVICE WITH LOOP CURRENT BYPASS. ROSEMOUNT, ROSEMOUNT, MARKS & CLERK, March 22, 2016: CA2726534

A wireless adapter for use with a two-wire process control loop (22) is configured to couple to a process field device (12) in an industrial process control system. The wireless adapter (30) is coupled to the two-wire process control loop (22) and provides wireless communication to the process field ...