PROCESS FIELD DEVICE WITH RADIO FREQUENCY COMMUNICATION
摘要
<p>A field device for use in an industrial process control or monitoring system includes terminals configured to connect 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.</p>
申请公布号
CA2568986(A1)
申请公布日期
2006.03.09
申请号
CA20052568986
申请日期
2005.06.21
申请人
ROSEMOUNT INC.
发明人
ORTH, KELLY M.;WESTFIELD, BRIAN L.;BRODEN, DAVID A.;WILLCOX, CHARLES R.;KARSCHNIA, ROBERT J.