公开(公告)号：EP2294765B1

公开(公告)日：2017-01-18

申请号：EP09767062.4

申请日：2009-06-17

Applicant: Rosemount Inc.

Inventor： KIELB, John, A. ,  WESTFIELD, Brian, L.

IPC: H04L12/40 ,  G05B19/418

CPC classification number: H04L12/40045 ,  G05B19/0423 ,  G05B2219/25191 ,  G05B2219/25196 ,  H04L12/40176 ,  H04L2012/4026 ,  Y10T307/445

公开(公告)号：EP2310918B1

公开(公告)日：2014-10-08

申请号：EP09767069.9

申请日：2009-06-17

Applicant: Rosemount, Inc.

Inventor： KIELB, John, A.

IPC: G05B19/042

CPC classification number: G05B19/0423 ,  G05B2219/25187 ,  G05B2219/25428

公开(公告)号：EP0830574A1

公开(公告)日：1998-03-25

申请号：EP96916838.0

申请日：1996-05-31

Applicant: ROSEMOUNT INC.

Inventor： KIELB, John, A. ,  NELSON, Richard, L. ,  MANICOR, Scott, D.

IPC: G01F23 ,  G01S13

CPC classification number: G01F23/284

Abstract: A level transmitter (10) for use in a process application measures height of a product (14) in a tank (12). The level transmitter (10) includes a microwave antenna (18) directed into the tank (10). A low power microwave source (70) sends a microwave signal through the microwave antenna (18). A low power microwave receiver (70) receives a reflected microwave signal. Measurement circuitry (42) coupled to the source and receiver initiates transmitting of the microwave signal and determines product height based upon the received, reflected signal. Output circuitry (48, 56) coupled to a two-wire process control loop (20) transmits information related to product height over the loop (20). Power supply circuitry (40) in the level transmitter (10) coupled to the two-wire process control loop (20) receives power from the loop (20) which powers the level transmitter (10) including the microwave source and the microwave receiver (70).

公开(公告)号：EP2294765A1

公开(公告)日：2011-03-16

申请号：EP09767062.4

申请日：2009-06-17

Applicant: Rosemount, Inc.

Inventor： KIELB, John, A. ,  WESTFIELD, Brian, L.

IPC: H04L12/40 ,  G05B19/418

CPC classification number: H04L12/40045 ,  G05B19/0423 ,  G05B2219/25191 ,  G05B2219/25196 ,  H04L12/40176 ,  H04L2012/4026 ,  Y10T307/445

Abstract: 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 device (12). The adapter (30) includes first and second loop terminals configured to couple in series with the two-wire process control loop (22). Wireless communication circuitry (155) is coupled to the first and second loop terminals and is adapted to provide wireless communication to the process field device (12). Loop current bypass circuitry (164) is electrically connected between the first and second loop terminals and is configured to provide a loop current path therebetween in response to an open circuit in wireless communication circuitry (155).

Abstract translation: 用于两线过程控制回路的无线适配器被配置为耦合到工业过程控制系统中的过程现场设备。 无线适配器耦合到两线制过程控制回路，并向过程现场设备提供无线通信。 适配器包括被配置为与两线制过程控制回路串联耦合的第一和第二回路端子。 无线通信电路耦合到第一和第二环路终端，并且适于向该过程现场设备提供无线通信。 环路电流旁路电路电连接在第一和第二环路端子之间，并且被配置为响应于无线通信电路中的开路而在其间提供环路电流路径。

公开(公告)号：EP0783665B1

公开(公告)日：2002-06-05

申请号：EP95932475.7

申请日：1995-09-11

Applicant: ROSEMOUNT INC.

Inventor： McCOY, Steven, J. ,  SCHUMACHER, Mark, S. ,  KIELB, John, A. ,  PALAN, Donald, F. ,  EDWARDS, Grant, B. ,  LONGSDORF, Randy, J. ,  TEMPLIN, James, E.

IPC: G01D3/08 ,  H02H9/00

CPC classification number: H02H9/008 ,  G01D3/08 ,  G01F23/284

Abstract: A barrier device (2) threadably mounts to a cabling aperture (24) on a field mounted transmitter (6). The field mounted transmitter (6) receives and transmits signals, and is wholly powered by a current loop circuit (14). The barrier device (2) has a conductive housing with at least a first (72) and a second (74) aperture and a pair of conductors (14) passing through the first aperture (72) of the barrier device (2), for connecting to a terminal block (4) in the transmitter (6). A pair of signal terminals (16, 18) are mounted in the second aperture (74) of the barrier device (6). The signal terminals (16, 18) are connectable to a handheld communicator, which is used to calibrate, monitor and test the transmitter (6). A barrier circuit (22) is mounted in the housing and is electrically connected between the signal terminals (16, 18) and the conductors (14).

公开(公告)号：EP1192427A1

公开(公告)日：2002-04-03

申请号：EP00946880.2

申请日：2000-06-28

Applicant: ROSEMOUNT INC.

Inventor： KIELB, John, A.

IPC: G01F23/284

CPC classification number: G01F23/284

Abstract: A radar gauge (14; 120) adapted to sense fluid level in a tank (10) and including a radar gauge circuit (124) in which radar transmission and level sampling are controlled by a transmit frequency (126) and a sample frequency (128) respectively. A first frequency separation (142) between first and second frequencies is controlled by a control input (140). The first and second frequencies can be divided to generate the transmit and sample frequencies (126; 128), separated by a second frequency separation (148). At least one frequency difference is evaluated and the evaluation used to generate the control input (140), stabilizing the first frequency difference, and to correct the gauge output.

公开(公告)号：EP0783665A2

公开(公告)日：1997-07-16

申请号：EP95932475.0

申请日：1995-09-11

Applicant: ROSEMOUNT INC.

Inventor： McCOY, Steven, J. ,  SCHUMACHER, Mark, S. ,  KIELB, John, A. ,  PALAN, Donald, F. ,  EDWARDS, Grant, B. ,  LONGSDORF, Randy, J. ,  TEMPLIN, James, E.

IPC: G01D3 ,  G01F23 ,  H02H9

CPC classification number: H02H9/008 ,  G01D3/08 ,  G01F23/284

Abstract: A barrier device (2) threadably mounts to a cabling aperture (24) on a field mounted transmitter (6). The field mounted transmitter (6) receives and transmits signals, and is wholly powered by a current loop circuit (14). The barrier device (2) has a conductive housing with at least a first (72) and a second (74) aperture and a pair of conductors (14) passing through the first aperture (72) of the barrier device (2), for connecting to a terminal block (4) in the transmitter (6). A pair of signal terminals (16, 18) are mounted in the second aperture (74) of the barrier device (6). The signal terminals (16, 18) are connectable to a handheld communicator, which is used to calibrate, monitor and test the transmitter (6). A barrier circuit (22) is mounted in the housing and is electrically connected between the signal terminals (16, 18) and the conductors (14).

公开(公告)号：EP2215535B1

公开(公告)日：2017-05-17

申请号：EP08837236.2

申请日：2008-10-03

Applicant: Rosemount Inc.

Inventor： KIELB, John, A. ,  KARSCHNIA, Robert, J. ,  WESTFIELD, Brian, K. ,  ORTH, Kelly, M. ,  BRODEN, David, A.

IPC: G01D21/00 ,  G08C17/02 ,  G05B19/418

CPC classification number: G05B19/4185 ,  G01D21/00 ,  G05B2219/31121 ,  G05B2219/33192 ,  G05B2219/34313 ,  G08C17/02 ,  Y02P80/114 ,  Y02P90/18 ,  Y02P90/86

公开(公告)号：EP2310918A1

公开(公告)日：2011-04-20

申请号：EP09767069.9

申请日：2009-06-17

Applicant: Rosemount, Inc.

Inventor： KIELB, John, A.

IPC: G05B15/02 ,  G05B23/02

CPC classification number: G05B19/0423 ,  G05B2219/25187 ,  G05B2219/25428

Abstract: A wireless adapter for use in a two- wire process control loop (22) includes wireless communication circuitry and first and second terminals configured to couple in series with the two-wire process control loop (22). A regulator (152) having a regulated input is coupled to the first terminal and an output. A shunt (154) is coupled to the output of the regulator (152) and is configured to provide power to the wireless communication circuitry. A feedback circuit (158) is configured to control current flowing from the regulator (152) to the shunt (154) as a function of a loop current flowing through the two- wire process control loop (22).

公开(公告)号：EP2215535A1

公开(公告)日：2010-08-11

申请号：EP08837236.2

申请日：2008-10-03

Applicant: Rosemount, Inc.

Inventor： KIELB, John, A. ,  KARSCHNIA, Robert, J. ,  WESTFIELD, Brian, K. ,  ORTH, Kelly, M. ,  BRODEN, David, A.

IPC: G05B19/418

CPC classification number: G05B19/4185 ,  G01D21/00 ,  G05B2219/31121 ,  G05B2219/33192 ,  G05B2219/34313 ,  G08C17/02 ,  Y02P80/114 ,  Y02P90/18 ,  Y02P90/86

Abstract: An adapter (300) for coupling to a process control transmitter of the type used to monitor a process variable in an industrial process is provided. The adapter includes I/O circuitry (342) configured to couple to a two wire process control loop (302) and to the process control transmitter and communicate on the process control loop (302). Wireless communication circuitry (344) couples to the two wire process control loop (302) and is configured to transmit an RF signal. Power supply circuitry (350) provides power to the wireless communication circuitry.

Abstract translation: 本发明涉及用于耦合到用于监测工业过程中的过程变量的类型的过程控制变送器的适配器，所述适配器包括被配置为耦合到双线过程控制回路和过程控制的I / O电路 发射机并且在过程控制回路上通信，耦合到被配置为发送RF信号的两线过程控制回路的无线通信电路，耦合到被配置为向无线通信电路提供电力的双线过程控制回路的电源电路，旁路 电路与电源电路并联连接，并且其中电源电路和旁路电路被配置为与两线制过程控制回路串联连接。