JP4722447B2 - 信号変換装置 - Google Patents

信号変換装置 Download PDF

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Publication number
JP4722447B2
JP4722447B2 JP2004300044A JP2004300044A JP4722447B2 JP 4722447 B2 JP4722447 B2 JP 4722447B2 JP 2004300044 A JP2004300044 A JP 2004300044A JP 2004300044 A JP2004300044 A JP 2004300044A JP 4722447 B2 JP4722447 B2 JP 4722447B2
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JP
Japan
Prior art keywords
pair
signal converter
electrical
electrical connections
digital communication
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Expired - Lifetime
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JP2004300044A
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Japanese (ja)
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JP2005122744A5 (enExample
JP2005122744A (ja
Inventor
ダブリュー．アーントサン ダグラス
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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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Publication of JP2005122744A5 publication Critical patent/JP2005122744A5/ja
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    • 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
    • G05B19/00—Programme-control systems
    • G05B19/02—Programme-control systems electric
    • G05B19/04—Programme control other than numerical control, i.e. in sequence controllers or logic controllers
    • G05B19/042—Programme control other than numerical control, i.e. in sequence controllers or logic controllers using digital processors
    • G05B19/0423—Input/output
    • G—PHYSICS
    • G01—MEASURING; TESTING
    • G01D—MEASURING NOT SPECIALLY ADAPTED FOR A SPECIFIC VARIABLE; ARRANGEMENTS FOR MEASURING TWO OR MORE VARIABLES NOT COVERED IN A SINGLE OTHER SUBCLASS; TARIFF METERING APPARATUS; MEASURING OR TESTING NOT OTHERWISE PROVIDED FOR
    • G01D21/00—Measuring or testing not otherwise provided for
    • 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
    • G05B15/00—Systems controlled by a computer
    • G05B15/02—Systems controlled by a computer electric
    • 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
    • G05B2219/20—Pc systems
    • G05B2219/25—Pc structure of the system
    • G05B2219/25006—Interface connected to fieldbus
    • 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
    • G05B2219/20—Pc systems
    • G05B2219/25—Pc structure of the system
    • G05B2219/25428—Field device

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  • Physics & Mathematics (AREA)
  • General Physics & Mathematics (AREA)
  • Engineering & Computer Science (AREA)
  • Automation & Control Theory (AREA)
  • General Engineering & Computer Science (AREA)
  • Arrangements For Transmission Of Measured Signals (AREA)
  • Programmable Controllers (AREA)
JP2004300044A 2003-10-14 2004-10-14 信号変換装置 Expired - Lifetime JP4722447B2 (ja)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
US10/685167 2003-10-14
US10/685,167 US7016741B2 (en) 2003-10-14 2003-10-14 Process control loop signal converter

Publications (3)

Publication Number Publication Date
JP2005122744A JP2005122744A (ja) 2005-05-12
JP2005122744A5 JP2005122744A5 (enExample) 2007-04-05
JP4722447B2 true JP4722447B2 (ja) 2011-07-13

Family

ID=34423122

Family Applications (1)

Application Number Title Priority Date Filing Date
JP2004300044A Expired - Lifetime JP4722447B2 (ja) 2003-10-14 2004-10-14 信号変換装置

Country Status (5)

Country Link
US (1) US7016741B2 (enExample)
JP (1) JP4722447B2 (enExample)
CN (1) CN100437397C (enExample)
DE (1) DE102004050079B4 (enExample)
RU (1) RU2328763C2 (enExample)

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US10764083B2 (en) * 2016-07-25 2020-09-01 Fisher-Rosemount Systems, Inc. Portable field maintenance tool with resistor network for intrinsically safe operation
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Also Published As

Publication number Publication date
CN1607479A (zh) 2005-04-20
CN100437397C (zh) 2008-11-26
US20050080493A1 (en) 2005-04-14
US7016741B2 (en) 2006-03-21
JP2005122744A (ja) 2005-05-12
RU2328763C2 (ru) 2008-07-10
RU2004129718A (ru) 2006-03-20
DE102004050079B4 (de) 2015-02-05
DE102004050079A1 (de) 2005-06-09

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