Title:
【発明の名称】センサ信号内の信号成分を分離するセンサ診断用信号処理技術
Document Type and Number:
Japanese Patent JP2002508540
Kind Code:
A
Abstract:
A device in the process control system includes a sensor input receiving a sensor signal. The sensor signal comprises a process variable signal and a residual sensor signal related to sensor operation. Diagnostic circuitry receives a separated sensor signal and responsively provides a diagnostic output related to the sensor. Sensor signal processing circuitry separates the sensor signal into signal components which are provided to the diagnostic circuitry.
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Inventors:
Elurek, Evren
Application Number:
JP2000538277A
Publication Date:
March 19, 2002
Filing Date:
March 26, 1999
Export Citation:
Assignee:
Rosemount Incorporated
International Classes:
G08C25/00; G01K15/00; G05B9/03; G05B23/02; G07C3/00; G08C19/02; (IPC1-7): G05B23/02
Domestic Patent References:
| JPH07234132A | 1995-09-05 | |||
| JPH0728502A | 1995-01-31 | |||
| JPH0863226A | 1996-03-08 |
Attorney, Agent or Firm:
Kazuki Tanaka (1 person outside)