GB2177521B - Programmable logic controller system for hazardous environment - Google Patents

Programmable logic controller system for hazardous environment

Info

Publication number
GB2177521B
GB2177521B GB8616224A GB8616224A GB2177521B GB 2177521 B GB2177521 B GB 2177521B GB 8616224 A GB8616224 A GB 8616224A GB 8616224 A GB8616224 A GB 8616224A GB 2177521 B GB2177521 B GB 2177521B
Authority
GB
United Kingdom
Prior art keywords
programmable logic
logic controller
controller system
hazardous environment
hazardous
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
Application number
GB8616224A
Other versions
GB8616224D0 (en
GB2177521A (en
Inventor
Stuart Raymond Claytor
Jonathan Mark Rees
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.)
Qualter Hall and Co Ltd
Original Assignee
Qualter Hall and Co Ltd
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 Qualter Hall and Co Ltd filed Critical Qualter Hall and Co Ltd
Publication of GB8616224D0 publication Critical patent/GB8616224D0/en
Publication of GB2177521A publication Critical patent/GB2177521A/en
Application granted granted Critical
Publication of GB2177521B publication Critical patent/GB2177521B/en
Expired legal-status Critical Current

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
    • G05B19/056—Programming the PLC
    • 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
    • G05B2219/13013—Transferring ram to eprom see also prom burning
    • 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
    • G05B2219/13152—Modification of 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
    • G05B2219/13—Plc programming
    • G05B2219/13171—Portable, detachable programming unit

Landscapes

  • Physics & Mathematics (AREA)
  • General Physics & Mathematics (AREA)
  • Engineering & Computer Science (AREA)
  • Automation & Control Theory (AREA)
  • Programmable Controllers (AREA)
GB8616224A 1985-07-05 1986-07-03 Programmable logic controller system for hazardous environment Expired GB2177521B (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
GB858517155A GB8517155D0 (en) 1985-07-05 1985-07-05 Programmable logic controller system

Publications (3)

Publication Number Publication Date
GB8616224D0 GB8616224D0 (en) 1986-08-13
GB2177521A GB2177521A (en) 1987-01-21
GB2177521B true GB2177521B (en) 1989-07-12

Family

ID=10581903

Family Applications (2)

Application Number Title Priority Date Filing Date
GB858517155A Pending GB8517155D0 (en) 1985-07-05 1985-07-05 Programmable logic controller system
GB8616224A Expired GB2177521B (en) 1985-07-05 1986-07-03 Programmable logic controller system for hazardous environment

Family Applications Before (1)

Application Number Title Priority Date Filing Date
GB858517155A Pending GB8517155D0 (en) 1985-07-05 1985-07-05 Programmable logic controller system

Country Status (4)

Country Link
CN (1) CN1006829B (en)
AU (1) AU583395B2 (en)
GB (2) GB8517155D0 (en)
IN (1) IN167794B (en)

Families Citing this family (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FR2585611B1 (en) * 1985-08-02 1987-11-20 Charbonnages De France MODULAR PLC, PREFERABLY PROGRAMMABLE, ESPECIALLY FOR MINING MACHINERY
GB8620947D0 (en) * 1986-08-29 1986-10-08 Imi Pactrol Electronic programmable logic & timing device
IT1266491B1 (en) * 1993-09-13 1996-12-30 Fase Spa PERFECTED DEVICE FOR WELDING CONTROL.
JPH11249725A (en) 1998-02-26 1999-09-17 Fanuc Ltd Robot controller

Citations (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB1384408A (en) * 1971-09-13 1975-02-19 Allen Bradley Co Programmers for controllers
US4019175A (en) * 1974-04-18 1977-04-19 Toyoda Koki Kabushiki Kaisha Program changeable sequence controller
GB2079492A (en) * 1980-06-25 1982-01-20 Yokogawa Electric Works Ltd Programmable controller

Family Cites Families (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4274207A (en) * 1980-07-07 1981-06-23 Illinois Tool Works Inc. Differential checking head

Patent Citations (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB1384408A (en) * 1971-09-13 1975-02-19 Allen Bradley Co Programmers for controllers
US4019175A (en) * 1974-04-18 1977-04-19 Toyoda Koki Kabushiki Kaisha Program changeable sequence controller
GB2079492A (en) * 1980-06-25 1982-01-20 Yokogawa Electric Works Ltd Programmable controller

Also Published As

Publication number Publication date
AU583395B2 (en) 1989-04-27
GB8517155D0 (en) 1985-08-14
CN86104644A (en) 1987-03-25
GB8616224D0 (en) 1986-08-13
IN167794B (en) 1990-12-22
CN1006829B (en) 1990-02-14
GB2177521A (en) 1987-01-21
AU5943586A (en) 1987-01-08

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Legal Events

Date Code Title Description
PCNP Patent ceased through non-payment of renewal fee

Effective date: 19960703