JP4762140B2 - ループオーバライド付きプロセス装置、及び方法 - Google Patents

ループオーバライド付きプロセス装置、及び方法 Download PDF

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Publication number
JP4762140B2
JP4762140B2 JP2006522716A JP2006522716A JP4762140B2 JP 4762140 B2 JP4762140 B2 JP 4762140B2 JP 2006522716 A JP2006522716 A JP 2006522716A JP 2006522716 A JP2006522716 A JP 2006522716A JP 4762140 B2 JP4762140 B2 JP 4762140B2
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loop
circuit
current
output circuit
process control
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Expired - Fee Related
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Japanese (ja)
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JP2007501979A5 (https=
JP2007501979A (ja
Inventor
ヒュイセンガ，ガリー，ディー．
ロングスドルフ，ランディ，ジェイ．
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ローズマウント インコーポレイテッド
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Priority claimed from PCT/US2004/025289 external-priority patent/WO2005017851A1/en
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    • G—PHYSICS
    • G01—MEASURING; TESTING
    • G01R—MEASURING ELECTRIC VARIABLES; MEASURING MAGNETIC VARIABLES
    • G01R19/00—Arrangements for measuring currents or voltages or for indicating presence or sign thereof
    • G01R19/25—Arrangements for measuring currents or voltages or for indicating presence or sign thereof using digital measurement techniques
    • G01R19/2506—Arrangements for conditioning or analysing measured signals, e.g. for indicating peak values ; Details concerning sampling, digitizing or waveform capturing
    • G01R19/2509—Details concerning sampling, digitizing or waveform capturing
    • G—PHYSICS
    • G05—CONTROLLING; REGULATING
    • G05B—CONTROL OR REGULATING SYSTEMS IN GENERAL; FUNCTIONAL ELEMENTS OF SUCH SYSTEMS; MONITORING OR TESTING ARRANGEMENTS FOR SUCH SYSTEMS OR ELEMENTS
    • G05B23/00—Testing or monitoring of control systems or parts thereof
    • G05B23/02—Electric testing or monitoring
    • G05B23/0205—Electric testing or monitoring by means of a monitoring system capable of detecting and responding to faults
    • G05B23/0218—Electric testing or monitoring by means of a monitoring system capable of detecting and responding to faults characterised by the fault detection method dealing with either existing or incipient faults
    • G05B23/0224—Process history based detection method, e.g. whereby history implies the availability of large amounts of data
    • G05B23/0227—Qualitative history assessment, whereby the type of data acted upon, e.g. waveforms, images or patterns, is not relevant, e.g. rule based assessment; if-then decisions
    • G05B23/0235—Qualitative history assessment, whereby the type of data acted upon, e.g. waveforms, images or patterns, is not relevant, e.g. rule based assessment; if-then decisions based on a comparison with predetermined threshold or range, e.g. "classical methods", carried out during normal operation; threshold adaptation or choice; when or how to compare with the threshold
    • G—PHYSICS
    • G08—SIGNALLING
    • G08C—TRANSMISSION SYSTEMS FOR MEASURED VALUES, CONTROL OR SIMILAR SIGNALS
    • G08C19/00—Electric signal transmission systems
    • G08C19/02—Electric signal transmission systems in which the signal transmitted is magnitude of current or voltage
    • G—PHYSICS
    • G01—MEASURING; TESTING
    • G01R—MEASURING ELECTRIC VARIABLES; MEASURING MAGNETIC VARIABLES
    • G01R19/00—Arrangements for measuring currents or voltages or for indicating presence or sign thereof
    • G01R19/25—Arrangements for measuring currents or voltages or for indicating presence or sign thereof using digital measurement techniques
    • G01R19/2506—Arrangements for conditioning or analysing measured signals, e.g. for indicating peak values ; Details concerning sampling, digitizing or waveform capturing
    • G—PHYSICS
    • G05—CONTROLLING; REGULATING
    • G05B—CONTROL OR REGULATING SYSTEMS IN GENERAL; FUNCTIONAL ELEMENTS OF SUCH SYSTEMS; MONITORING OR TESTING ARRANGEMENTS FOR SUCH SYSTEMS OR ELEMENTS
    • G05B2219/00—Program-control systems
    • G05B2219/30—Nc systems
    • G05B2219/33—Director till display
    • G05B2219/33197—Current loop 4-20-mA milliampere
    • Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
    • Y02P—CLIMATE CHANGE MITIGATION TECHNOLOGIES IN THE PRODUCTION OR PROCESSING OF GOODS
    • Y02P90/00—Enabling technologies with a potential contribution to greenhouse gas [GHG] emissions mitigation
    • Y02P90/80—Management or planning

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  • Physics & Mathematics (AREA)
  • General Physics & Mathematics (AREA)
  • Engineering & Computer Science (AREA)
  • Automation & Control Theory (AREA)
  • Arrangements For Transmission Of Measured Signals (AREA)
  • Testing And Monitoring For Control Systems (AREA)
  • Safety Devices In Control Systems (AREA)
  • Programmable Controllers (AREA)
JP2006522716A 2003-08-07 2004-08-05 ループオーバライド付きプロセス装置、及び方法 Expired - Fee Related JP4762140B2 (ja)

Applications Claiming Priority (5)

Application Number Priority Date Filing Date Title
US10/635,944 US7018800B2 (en) 2003-08-07 2003-08-07 Process device with quiescent current diagnostics
US10/635,944 2003-08-07
US10/733,558 US7098798B2 (en) 2003-08-07 2003-12-11 Process device with loop override
US10/733,558 2003-12-11
PCT/US2004/025289 WO2005017851A1 (en) 2003-08-07 2004-08-05 Process device with loop override

Publications (3)

Publication Number Publication Date
JP2007501979A JP2007501979A (ja) 2007-02-01
JP2007501979A5 JP2007501979A5 (https=) 2007-08-30
JP4762140B2 true JP4762140B2 (ja) 2011-08-31

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ID=34116338

Family Applications (2)

Application Number Title Priority Date Filing Date
JP2006522716A Expired - Fee Related JP4762140B2 (ja) 2003-08-07 2004-08-05 ループオーバライド付きプロセス装置、及び方法
JP2006522718A Pending JP2007501980A (ja) 2003-08-07 2004-08-05 零入力電流診断を備えたプロセス装置

Family Applications After (1)

Application Number Title Priority Date Filing Date
JP2006522718A Pending JP2007501980A (ja) 2003-08-07 2004-08-05 零入力電流診断を備えたプロセス装置

Country Status (7)

Country Link
US (2) US7018800B2 (https=)
EP (1) EP1656564A1 (https=)
JP (2) JP4762140B2 (https=)
CN (2) CN1864071B (https=)
DE (1) DE602004029468D1 (https=)
RU (1) RU2350975C2 (https=)
WO (1) WO2005017544A1 (https=)

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US7098798B2 (en) 2006-08-29
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