Title:
プロセス変数センサ信号を使ったプロセス装置の診断方法
Document Type and Number:
Japanese Patent JP2006526855
Kind Code:
A
Abstract:
A diagnostic device for use in a process control system receives a sensor signal related to a process variable of a process sensed by a process variable sensor. A signal preprocessor provides a sensor power signal output as a function of a frequency distribution of power in the sensor signal. A process condition is determined based upon the sensor power signal.
Inventors:
Elurek, Evren
Cava Clioglu, Kadia
Esbolts, Stephen, Earl.
Cava Clioglu, Kadia
Esbolts, Stephen, Earl.
Application Number:
JP2006515074A
Publication Date:
November 24, 2006
Filing Date:
June 03, 2004
Export Citation:
Assignee:
Rosemount Incorporated
International Classes:
G01D21/02; G05B23/02; G01F1/32; G01F1/60; G01F1/84; G01F25/00; G01K15/00; G05B9/03; G07C3/00; G08C19/02
Attorney, Agent or Firm:
Kaori Tanaka
Michito Hiraki
Sanji Tanabe
Michito Hiraki
Sanji Tanabe