CA2451294A1 - Multi-protocol field device and communication method - Google Patents

Multi-protocol field device and communication method Download PDF

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Publication number
CA2451294A1
CA2451294A1 CA002451294A CA2451294A CA2451294A1 CA 2451294 A1 CA2451294 A1 CA 2451294A1 CA 002451294 A CA002451294 A CA 002451294A CA 2451294 A CA2451294 A CA 2451294A CA 2451294 A1 CA2451294 A1 CA 2451294A1
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Canada
Prior art keywords
field device
communications
hart
digital data
data bus
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Granted
Application number
CA002451294A
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French (fr)
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CA2451294C (en
Inventor
Steve A. Packwood
Brent H. Larson
Larry K. Brown
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Fisher Controls International LLC
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Individual
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Publication date
Application filed by Individual filed Critical Individual
Publication of CA2451294A1 publication Critical patent/CA2451294A1/en
Application granted granted Critical
Publication of CA2451294C publication Critical patent/CA2451294C/en
Anticipated expiration legal-status Critical
Expired - Fee Related legal-status Critical Current

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Classifications

    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
    • H04L69/00—Network arrangements, protocols or services independent of the application payload and not provided for in the other groups of this subclass
    • H04L69/18—Multiprotocol handlers, e.g. single devices capable of handling multiple protocols
    • 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
    • G05B2219/25008—Different buses, protocols on same line, also dsl
    • 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
    • G05B2219/25014—Fieldbus general name of bus connected to machines, detectors, actuators

Abstract

A multi-protocol smart field device uses a Fieldbus communication protocol to communicate process control information and uses a HART communication protocol to enable local configuration of the field device via a hand-held HART
communicator. The multi-protocol smart field device includes a first communications interface communicatively coupled to a digital data bus that is adapted to process HART communications which are received from and which are sent to a HART hand-held communicator. The multi-protocol smart field device further includes a second communications interface communicatively coupled to the digital data bus that is adapted to process Fieldbus communications.
Additionally, the multi-protocol smart field device includes a first filter coupled between the first communications interface and the digital data bus that substantially attenuates signals having frequencies associated with Fieldbus communications and a second filter coupled between the second communications interface and the digital data bus that substantially attenuates signals having frequencies associated with HART communications.
CA002451294A 2001-07-30 2002-07-10 Multi-protocol field device and communication method Expired - Fee Related CA2451294C (en)

Applications Claiming Priority (3)

Application Number Priority Date Filing Date Title
US09/918,258 2001-07-30
US09/918,258 US6959356B2 (en) 2001-07-30 2001-07-30 Multi-protocol field device and communication method
PCT/US2002/021698 WO2003013104A1 (en) 2001-07-30 2002-07-10 Multi-protocol field device and communication method

Publications (2)

Publication Number Publication Date
CA2451294A1 true CA2451294A1 (en) 2003-02-13
CA2451294C CA2451294C (en) 2008-12-30

Family

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Family Applications (1)

Application Number Title Priority Date Filing Date
CA002451294A Expired - Fee Related CA2451294C (en) 2001-07-30 2002-07-10 Multi-protocol field device and communication method

Country Status (8)

Country Link
US (1) US6959356B2 (en)
EP (1) EP1415451B1 (en)
JP (1) JP4665068B2 (en)
CN (2) CN1997021B (en)
BR (1) BRPI0211349B1 (en)
CA (1) CA2451294C (en)
DE (1) DE60222139T2 (en)
WO (1) WO2003013104A1 (en)

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Also Published As

Publication number Publication date
JP4665068B2 (en) 2011-04-06
CN1314255C (en) 2007-05-02
CN1997021B (en) 2011-03-23
WO2003013104A1 (en) 2003-02-13
US20030023795A1 (en) 2003-01-30
CA2451294C (en) 2008-12-30
US6959356B2 (en) 2005-10-25
EP1415451B1 (en) 2007-08-29
BR0211349A (en) 2007-01-23
JP2004537820A (en) 2004-12-16
BRPI0211349B1 (en) 2016-10-18
DE60222139D1 (en) 2007-10-11
CN1997021A (en) 2007-07-11
CN1533664A (en) 2004-09-29
DE60222139T2 (en) 2008-05-21
EP1415451A1 (en) 2004-05-06

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