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ES435802A1 - Programmable sequence controller - Google Patents

Programmable sequence controller

Info

Publication number
ES435802A1
ES435802A1 ES435802A ES435802A ES435802A1 ES 435802 A1 ES435802 A1 ES 435802A1 ES 435802 A ES435802 A ES 435802A ES 435802 A ES435802 A ES 435802A ES 435802 A1 ES435802 A1 ES 435802A1
Authority
ES
Spain
Prior art keywords
examination
logic circuit
operating
logical
command
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
ES435802A
Other languages
Spanish (es)
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.)
Toyoda Koki KK
Original Assignee
Toyoda Koki KK
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 Toyoda Koki KK filed Critical Toyoda Koki KK
Publication of ES435802A1 publication Critical patent/ES435802A1/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
    • 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
    • G05B2219/13092—Speed up, evaluation of expressions between brackets
    • 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
    • G05B2219/15—Plc structure of the system
    • G05B2219/15105—Hardwired logic to accelerate, speed up execution of instructions

Landscapes

  • Physics & Mathematics (AREA)
  • General Physics & Mathematics (AREA)
  • Engineering & Computer Science (AREA)
  • Automation & Control Theory (AREA)
  • Programmable Controllers (AREA)
  • Tests Of Electronic Circuits (AREA)
  • Test And Diagnosis Of Digital Computers (AREA)
  • Agricultural Chemicals And Associated Chemicals (AREA)

Abstract

Improvements in sequence controllers, characterized in that each controller comprises a memory for storing a sequence program formed by a series of instructions respectively identified by their memory addresses, each of these instructions having an examination command and address information; a logic operating circuit for examining an external input with said exam command; an input module for applying the external input to the operating logic circuit in accordance with the address information; an output module for transmitting a control signal based on the result of the examination of the operating logic circuit; suspending means in the operating logic circuit for suspending the next examination of a logical function from a group of logical functions in response to the result of the preceding examination of a logical function thereby executing a logical operation non-sequentially. (Machine-translation by Google Translate, not legally binding)
ES435802A 1974-04-19 1975-03-20 Programmable sequence controller Expired ES435802A1 (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP4462774A JPS5344633B2 (en) 1974-04-19 1974-04-19

Publications (1)

Publication Number Publication Date
ES435802A1 true ES435802A1 (en) 1976-12-16

Family

ID=12696653

Family Applications (2)

Application Number Title Priority Date Filing Date
ES435802A Expired ES435802A1 (en) 1974-04-19 1975-03-20 Programmable sequence controller
ES435815A Expired ES435815A1 (en) 1974-04-19 1975-03-20 Programmable sequence controller

Family Applications After (1)

Application Number Title Priority Date Filing Date
ES435815A Expired ES435815A1 (en) 1974-04-19 1975-03-20 Programmable sequence controller

Country Status (5)

Country Link
JP (1) JPS5344633B2 (en)
DE (1) DE2512304C3 (en)
ES (2) ES435802A1 (en)
FR (1) FR2268303B1 (en)
GB (1) GB1493319A (en)

Families Citing this family (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS5234187A (en) * 1975-09-11 1977-03-15 Toyoda Mach Works Ltd Sequence controller
JPS57209503A (en) * 1981-06-19 1982-12-22 Toyoda Mach Works Ltd Sequence controller
EP0112427B1 (en) * 1982-12-28 1988-09-21 International Business Machines Corporation Programmable logic controller
JPS63214804A (en) * 1987-03-03 1988-09-07 Fanuc Ltd Processor for plc and plc
US5233697A (en) * 1987-03-03 1993-08-03 Fanuc Ltd. PLC processor and PLC

Also Published As

Publication number Publication date
FR2268303B1 (en) 1977-11-25
DE2512304C3 (en) 1978-09-28
ES435815A1 (en) 1976-12-16
JPS50136590A (en) 1975-10-29
DE2512304A1 (en) 1975-10-23
JPS5344633B2 (en) 1978-11-30
GB1493319A (en) 1977-11-30
FR2268303A1 (en) 1975-11-14
DE2512304B2 (en) 1978-01-26

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