CA2492656C - Dispositif local et diagnostics de processus sur reseau a commande de processus a fonctions de commande reparties - Google Patents

Dispositif local et diagnostics de processus sur reseau a commande de processus a fonctions de commande reparties Download PDF

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Publication number
CA2492656C
CA2492656C CA002492656A CA2492656A CA2492656C CA 2492656 C CA2492656 C CA 2492656C CA 002492656 A CA002492656 A CA 002492656A CA 2492656 A CA2492656 A CA 2492656A CA 2492656 C CA2492656 C CA 2492656C
Authority
CA
Canada
Prior art keywords
bus
pneumatic
valve
field device
diagnostic
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Expired - Lifetime
Application number
CA002492656A
Other languages
English (en)
Other versions
CA2492656A1 (fr
Inventor
Brent H. Larson
Harry A. Burns
Larry K. Brown
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Fisher Controls International LLC
Original Assignee
Fisher Controls International LLC
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Priority claimed from US08/922,938 external-priority patent/US5970430A/en
Application filed by Fisher Controls International LLC filed Critical Fisher Controls International LLC
Publication of CA2492656A1 publication Critical patent/CA2492656A1/fr
Application granted granted Critical
Publication of CA2492656C publication Critical patent/CA2492656C/fr
Anticipated expiration legal-status Critical
Expired - Lifetime legal-status Critical Current

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Classifications

    • 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—Program-control systems
    • G05B19/02—Program-control systems electric
    • G05B19/04—Program control other than numerical control, i.e. in sequence controllers or logic controllers
    • G05B19/042—Program control other than numerical control, i.e. in sequence controllers or logic controllers using digital processors
    • 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

Landscapes

  • Physics & Mathematics (AREA)
  • General Physics & Mathematics (AREA)
  • Engineering & Computer Science (AREA)
  • Automation & Control Theory (AREA)
  • Testing And Monitoring For Control Systems (AREA)
CA002492656A 1996-10-04 1997-10-01 Dispositif local et diagnostics de processus sur reseau a commande de processus a fonctions de commande reparties Expired - Lifetime CA2492656C (fr)

Applications Claiming Priority (5)

Application Number Priority Date Filing Date Title
US72626296A 1996-10-04 1996-10-04
US08/726,262 1996-10-04
US08/922,938 1997-09-03
US08/922,938 US5970430A (en) 1996-10-04 1997-09-03 Local device and process diagnostics in a process control network having distributed control functions
CA002267527A CA2267527C (fr) 1996-10-04 1997-10-01 Dispositif local et diagnostics de processus sur reseau a commande de processus a fonctions de commande reparties

Related Parent Applications (1)

Application Number Title Priority Date Filing Date
CA002267527A Division CA2267527C (fr) 1996-10-04 1997-10-01 Dispositif local et diagnostics de processus sur reseau a commande de processus a fonctions de commande reparties

Publications (2)

Publication Number Publication Date
CA2492656A1 CA2492656A1 (fr) 1998-04-09
CA2492656C true CA2492656C (fr) 2007-04-10

Family

ID=34381518

Family Applications (1)

Application Number Title Priority Date Filing Date
CA002492656A Expired - Lifetime CA2492656C (fr) 1996-10-04 1997-10-01 Dispositif local et diagnostics de processus sur reseau a commande de processus a fonctions de commande reparties

Country Status (1)

Country Link
CA (1) CA2492656C (fr)

Families Citing this family (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US6445962B1 (en) * 1999-03-15 2002-09-03 Fisher Rosemount Systems, Inc. Auto-tuning in a distributed process control environment
US10845781B2 (en) * 2015-03-23 2020-11-24 Fisher Controls International Llc Integrated process controller with loop and valve control capability
CN107608307A (zh) * 2017-11-08 2018-01-19 江苏驷博电气有限公司 一种可编程逻辑控制子系统
US11200128B2 (en) * 2018-08-28 2021-12-14 Nxp B.V. Network interface device and method for operating a network interface device
EP3869742B1 (fr) * 2020-02-20 2023-06-07 Nxp B.V. N ud de réseau

Also Published As

Publication number Publication date
CA2492656A1 (fr) 1998-04-09

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Effective date: 20171002