WO1998057246A3 - Programmable logic controller software with embedded class logic and alarm/shutdown functionality - Google Patents

Programmable logic controller software with embedded class logic and alarm/shutdown functionality Download PDF

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Publication number
WO1998057246A3
WO1998057246A3 PCT/US1998/012021 US9812021W WO9857246A3 WO 1998057246 A3 WO1998057246 A3 WO 1998057246A3 US 9812021 W US9812021 W US 9812021W WO 9857246 A3 WO9857246 A3 WO 9857246A3
Authority
WO
WIPO (PCT)
Prior art keywords
input
programmable logic
alarm
responsive
logic controller
Prior art date
Application number
PCT/US1998/012021
Other languages
French (fr)
Other versions
WO1998057246A2 (en
Inventor
Stephen J Worth
Michael J Silva
Original Assignee
Amot Controls Corp
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 Amot Controls Corp filed Critical Amot Controls Corp
Publication of WO1998057246A2 publication Critical patent/WO1998057246A2/en
Publication of WO1998057246A3 publication Critical patent/WO1998057246A3/en

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
    • 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
    • G05B19/05—Programmable logic controllers, e.g. simulating logic interconnections of signals according to ladder diagrams or function charts
    • 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
    • G05B2219/13—Plc programming
    • G05B2219/13015—Semi automatic, manual automatic
    • 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
    • G05B2219/14039—Fault in sensor, actuator
    • 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
    • G05B2219/14045—Parameter, over or under condition detection
    • 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
    • G05B2219/14083—Derive diagnostic program from model needed for sequence program
    • 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
    • G05B2219/14087—Selecting parameters or states to be displayed on panel, displaying states

Abstract

A computer-implemented method and a computer-readable program for designing software applications for execution in a programmable logic controller includes determining (102) whether a physical input is analog or discrete, and responsive to the physical input being analog, inputting a set of analog parameters (103), and responsive to the physical input being discrete, inputting a set of discrete parameters (113), and storing (111) the parameters in a user parameter data table. The method includes executing a programmable logic controller application responsive to a set of user-defined parameters, including reading an input, and determining whether the input is in fault, and, responsive to the input being in fault, performing an operation from a group of operations consisting of an alarm and shutdown.
PCT/US1998/012021 1997-06-10 1998-06-09 Programmable logic controller software with embedded class logic and alarm/shutdown functionality WO1998057246A2 (en)

Applications Claiming Priority (4)

Application Number Priority Date Filing Date Title
US4915597P 1997-06-10 1997-06-10
US60/049,155 1997-06-10
US09/093,946 US6141628A (en) 1997-06-10 1998-06-08 Programmable logic controller software with embedded class logic and alarm/shutdown functionality
US09/093,946 1998-06-08

Publications (2)

Publication Number Publication Date
WO1998057246A2 WO1998057246A2 (en) 1998-12-17
WO1998057246A3 true WO1998057246A3 (en) 1999-03-18

Family

ID=26726901

Family Applications (1)

Application Number Title Priority Date Filing Date
PCT/US1998/012021 WO1998057246A2 (en) 1997-06-10 1998-06-09 Programmable logic controller software with embedded class logic and alarm/shutdown functionality

Country Status (2)

Country Link
US (1) US6141628A (en)
WO (1) WO1998057246A2 (en)

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US6085576A (en) * 1998-03-20 2000-07-11 Cyrano Sciences, Inc. Handheld sensing apparatus
JP4327283B2 (en) * 1999-01-26 2009-09-09 株式会社キーエンス Programmable controller
JP2001100817A (en) * 1999-09-30 2001-04-13 Toyoda Mach Works Ltd Monitoring device for sequential function chart type programmable controller
DE10011410A1 (en) * 2000-03-09 2001-09-20 Bosch Gmbh Robert Fail-safe signal generation device for safety critical signal has back-up device for generation of load driver signal in emergency operating mode
AU2001247743A1 (en) * 2000-03-24 2001-10-08 Siemens Energy & Automation, Inc. Industrial automation system graphical programming language storage and transmission
US6711698B1 (en) * 2000-07-07 2004-03-23 Schneider Automation Inc. Programmable logic controller with provisions for safety systems
KR100414437B1 (en) * 2001-04-06 2004-01-07 전영민 Factory automation control method
US7257620B2 (en) * 2001-09-24 2007-08-14 Siemens Energy & Automation, Inc. Method for providing engineering tool services
US20030204560A1 (en) * 2002-04-26 2003-10-30 Chen Thomas C.H. Programmable Logic Controller with embedded Intelligent Web Server
US7260505B2 (en) * 2002-06-26 2007-08-21 Honeywell International, Inc. Method and apparatus for developing fault codes for complex systems based on historical data
US7762082B1 (en) 2003-09-25 2010-07-27 IES Consulting Inc. Apparatus and method of recovering vapors
US8475966B2 (en) 2003-09-25 2013-07-02 IES Consulting, Inc. Apparatus and method of recovering vapors
US20060266102A1 (en) * 2005-05-25 2006-11-30 Tolliver Charlie L System, apparatus and method for detecting unknown chemical compounds
US8702306B2 (en) 2007-09-21 2014-04-22 Siemens Industry, Inc. Systems, devices, and/or methods for managing a thermocouple module
US10495014B2 (en) 2011-12-29 2019-12-03 Ge Global Sourcing Llc Systems and methods for displaying test details of an engine control test
US20130173137A1 (en) * 2011-12-29 2013-07-04 General Electric Company System, apparatus, and method for protecting vehicle engines
USD800739S1 (en) 2016-02-16 2017-10-24 General Electric Company Display screen with graphical user interface for displaying test details of an engine control test
CN112259273B (en) * 2020-09-04 2024-04-09 福建福清核电有限公司 Positioning method for DCS control cabinet flash alarm

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US4367414A (en) * 1979-10-30 1983-01-04 General Electric Company Method and apparatus for controlling distributed electrical loads
US4380146A (en) * 1977-01-12 1983-04-19 Westinghouse Electric Corp. System and method for accelerating and sequencing industrial gas turbine apparatus and gas turbine electric power plants preferably with a digital computer control system
US5748119A (en) * 1995-09-18 1998-05-05 Samsung Electronics Co., Ltd. Devices and methods for channel-encoding and channel-decoding of digital data

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US4485794A (en) * 1982-10-04 1984-12-04 United Technologies Diesel Systems, Inc. Method and apparatus for controlling diesel engine exhaust gas recirculation partly as a function of exhaust particulate level
US4851985A (en) * 1985-04-15 1989-07-25 Logitek, Inc. Fault diagnosis system for comparing counts of commanded operating state changes to counts of actual resultant changes
US5289362A (en) * 1989-12-15 1994-02-22 Johnson Service Company Energy control system
US5613115A (en) * 1991-12-09 1997-03-18 Total Control Products, Inc. Method for using PLC programming information to generate secondary functions such as diagnostics and operator interface
US5428555A (en) * 1993-04-20 1995-06-27 Praxair, Inc. Facility and gas management system
BE1009813A3 (en) * 1995-09-29 1997-08-05 Philips Electronics Nv Programmable logic controller.
US5764507A (en) * 1996-01-02 1998-06-09 Chuo; Po-Chou Programmable controller with personal computerized ladder diagram
US5867382A (en) * 1996-09-10 1999-02-02 Mclaughlin; Michael G. Generic control systems using a virtual rack module

Patent Citations (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4380146A (en) * 1977-01-12 1983-04-19 Westinghouse Electric Corp. System and method for accelerating and sequencing industrial gas turbine apparatus and gas turbine electric power plants preferably with a digital computer control system
US4367414A (en) * 1979-10-30 1983-01-04 General Electric Company Method and apparatus for controlling distributed electrical loads
US5748119A (en) * 1995-09-18 1998-05-05 Samsung Electronics Co., Ltd. Devices and methods for channel-encoding and channel-decoding of digital data

Also Published As

Publication number Publication date
WO1998057246A2 (en) 1998-12-17
US6141628A (en) 2000-10-31

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