MX9301799A - Sistema de interfase de control de proceso que tiene unidades de campo remotas, triplemente redundantes. - Google Patents

Sistema de interfase de control de proceso que tiene unidades de campo remotas, triplemente redundantes.

Info

Publication number
MX9301799A
MX9301799A MX9301799A MX9301799A MX9301799A MX 9301799 A MX9301799 A MX 9301799A MX 9301799 A MX9301799 A MX 9301799A MX 9301799 A MX9301799 A MX 9301799A MX 9301799 A MX9301799 A MX 9301799A
Authority
MX
Mexico
Prior art keywords
process control
control interface
interface system
triplently
remote
Prior art date
Application number
MX9301799A
Other languages
English (en)
Inventor
Dean W Gaudreau
Robert J Hozeska
Donald J Grinwis
Gregory J Gavit
Joseph Shelman Jr
Lowell V Thomas
Robert S Glaser
Robert S Hoy G Paul Fernandez
Timothy J Grai
Original Assignee
Dow Chemical Co
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
Application filed by Dow Chemical Co filed Critical Dow Chemical Co
Publication of MX9301799A publication Critical patent/MX9301799A/es

Links

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
    • G05B23/00—Testing or monitoring of control systems or parts thereof
    • G05B23/02—Electric testing or monitoring
    • 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
    • G05B19/0425—Safety, monitoring
    • 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
    • G05B9/00—Safety arrangements
    • G05B9/02—Safety arrangements electric
    • G05B9/03—Safety arrangements electric with multiple-channel loop, i.e. redundant control systems
    • 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
    • G05B2219/10—Plc systems
    • G05B2219/14—Plc safety
    • G05B2219/14123—Majority voting, dynamic redundant, persistency and integrity
    • 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
    • G05B2219/24—Pc safety
    • G05B2219/24184—Redundant I-O, software comparison of both channels
    • 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
    • G05B2219/24—Pc safety
    • G05B2219/24187—Redundant processors run identical programs
    • 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
    • G05B2219/24—Pc safety
    • G05B2219/24189—Redundant processors monitor same point, common parameters
    • 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
    • G05B2219/24—Pc safety
    • G05B2219/24192—Configurable redundancy
    • 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)
  • Hardware Redundancy (AREA)
  • Safety Devices In Control Systems (AREA)
  • Programmable Controllers (AREA)

Abstract

Un sistema (10) de interfase de control de proceso que tiene una red de unidades (12) de computadora distribuidas de campo de entrada/salida, triplmente redundantes.
MX9301799A 1992-03-31 1993-03-30 Sistema de interfase de control de proceso que tiene unidades de campo remotas, triplemente redundantes. MX9301799A (es)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
US07/864,931 US5428769A (en) 1992-03-31 1992-03-31 Process control interface system having triply redundant remote field units

Publications (1)

Publication Number Publication Date
MX9301799A true MX9301799A (es) 1994-01-31

Family

ID=25344354

Family Applications (1)

Application Number Title Priority Date Filing Date
MX9301799A MX9301799A (es) 1992-03-31 1993-03-30 Sistema de interfase de control de proceso que tiene unidades de campo remotas, triplemente redundantes.

Country Status (12)

Country Link
US (4) US5428769A (es)
EP (4) EP1300735A2 (es)
JP (1) JPH07507889A (es)
KR (2) KR100322462B1 (es)
AU (1) AU3918393A (es)
CA (1) CA2131156A1 (es)
DE (2) DE69322626T2 (es)
ES (2) ES2128424T3 (es)
HK (2) HK1011427A1 (es)
MX (1) MX9301799A (es)
SG (1) SG55081A1 (es)
WO (1) WO1993020488A2 (es)

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DE69332897D1 (de) 2003-05-22
KR100322461B1 (ko) 2002-02-07
ES2191884T3 (es) 2003-09-16
EP0869415A2 (en) 1998-10-07
CA2131156A1 (en) 1993-10-14
US5862315A (en) 1999-01-19
DE69322626T2 (de) 1999-07-08
EP0869415B1 (en) 2003-04-16
HK1011427A1 (en) 1999-07-09
US5428769A (en) 1995-06-27
JPH07507889A (ja) 1995-08-31
US6061809A (en) 2000-05-09
EP0869415A3 (en) 1999-12-15
DE69332897T2 (de) 2004-02-26
EP1300735A2 (en) 2003-04-09
AU3918393A (en) 1993-11-08
EP0631673A1 (en) 1995-01-04
EP0631673B1 (en) 1998-12-16
ES2128424T3 (es) 1999-05-16
WO1993020488A2 (en) 1993-10-14
EP1193576A2 (en) 2002-04-03
WO1993020488A3 (en) 1994-03-31
US5970226A (en) 1999-10-19
HK1048670A1 (zh) 2003-04-11
SG55081A1 (en) 1998-12-21
DE69322626D1 (de) 1999-01-28
KR100322462B1 (ko) 2002-11-30

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