GB1490548A - Programmable logic control system with memory for temporary storage - Google Patents

Programmable logic control system with memory for temporary storage

Info

Publication number
GB1490548A
GB1490548A GB5439274A GB5439274A GB1490548A GB 1490548 A GB1490548 A GB 1490548A GB 5439274 A GB5439274 A GB 5439274A GB 5439274 A GB5439274 A GB 5439274A GB 1490548 A GB1490548 A GB 1490548A
Authority
GB
United Kingdom
Prior art keywords
memory
control system
programmable logic
temporary storage
logic control
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
GB5439274A
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.)
Texas Instruments Inc
Original Assignee
Texas Instruments Inc
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 US05/431,589 external-priority patent/US3982230A/en
Priority claimed from US05/431,538 external-priority patent/US3953834A/en
Application filed by Texas Instruments Inc filed Critical Texas Instruments Inc
Publication of GB1490548A publication Critical patent/GB1490548A/en
Expired legal-status Critical Current

Links

Classifications

    • G—PHYSICS
    • G06—COMPUTING; CALCULATING OR COUNTING
    • G06F—ELECTRIC DIGITAL DATA PROCESSING
    • G06F12/00—Accessing, addressing or allocating within memory systems or architectures
    • G06F12/02—Addressing or allocation; Relocation
    • G06F12/06—Addressing a physical block of locations, e.g. base addressing, module addressing, memory dedication
    • G06F12/0646—Configuration or reconfiguration
    • G06F12/0684—Configuration or reconfiguration with feedback, e.g. presence or absence of unit detected by addressing, overflow 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
    • 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
    • G05B2219/11—Plc I-O input output
    • G05B2219/11101—Verifying ram data correct, validity, reload faulty data with correct data
    • 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
    • G05B2219/11—Plc I-O input output
    • G05B2219/1159—Image table, memory
    • 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
    • G05B2219/11—Plc I-O input output
    • G05B2219/1168—Peak amplitude for input, nul amplitude for activating output
    • 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
    • G05B2219/11—Plc I-O input output
    • G05B2219/1188—Detection of inserted boards, inserting extra memory, availability of boards
    • 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
    • G05B2219/13004—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
    • G05B2219/13012—Using other programs, adapting program to machine, exchanging or rom
    • 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
    • G05B2219/13128—Relay ladder diagram, RLL RLD KOP
    • 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
    • G05B2219/15018—Communication, serial data transmission, modem
    • 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
    • G05B2219/15054—LIFO for storing intermediate results

Landscapes

  • Engineering & Computer Science (AREA)
  • Physics & Mathematics (AREA)
  • General Physics & Mathematics (AREA)
  • Theoretical Computer Science (AREA)
  • Automation & Control Theory (AREA)
  • General Engineering & Computer Science (AREA)
  • Programmable Controllers (AREA)
  • Executing Machine-Instructions (AREA)
GB5439274A 1974-01-07 1974-12-17 Programmable logic control system with memory for temporary storage Expired GB1490548A (en)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
US05/431,589 US3982230A (en) 1974-01-07 1974-01-07 Programmable logic controller with flag storage
US05/431,538 US3953834A (en) 1974-01-07 1974-01-07 Programmable logic controller with push down stack

Publications (1)

Publication Number Publication Date
GB1490548A true GB1490548A (en) 1977-11-02

Family

ID=27029087

Family Applications (3)

Application Number Title Priority Date Filing Date
GB1263477A Expired GB1490549A (en) 1974-01-07 1974-12-17 Programmable logic control system with memory for temporary storage
GB5439274A Expired GB1490548A (en) 1974-01-07 1974-12-17 Programmable logic control system with memory for temporary storage
GB1263577A Expired GB1490550A (en) 1974-01-07 1974-12-17 Programmable logic control system with memory for temporary storage

Family Applications Before (1)

Application Number Title Priority Date Filing Date
GB1263477A Expired GB1490549A (en) 1974-01-07 1974-12-17 Programmable logic control system with memory for temporary storage

Family Applications After (1)

Application Number Title Priority Date Filing Date
GB1263577A Expired GB1490550A (en) 1974-01-07 1974-12-17 Programmable logic control system with memory for temporary storage

Country Status (6)

Country Link
JP (1) JPS6227404B2 (en)
DE (1) DE2500320A1 (en)
FR (1) FR2325103A1 (en)
GB (3) GB1490549A (en)
IT (1) IT1032183B (en)
NL (1) NL7500095A (en)

Families Citing this family (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3997879A (en) * 1975-12-24 1976-12-14 Allen-Bradley Company Fault processor for programmable controller with remote I/O interface racks
JPS6010644B2 (en) * 1978-09-13 1985-03-19 日産自動車株式会社 Sequence display control method
DE2842372A1 (en) * 1978-09-28 1980-04-10 Siemens Ag PROGRAMMABLE CONTROL
JPS56127202A (en) * 1980-03-11 1981-10-05 Toshiba Corp Car control device
JPS57176414A (en) * 1981-04-24 1982-10-29 Hitachi Ltd Sequence controller
JPS6075903A (en) * 1983-09-30 1985-04-30 Matsushita Electric Works Ltd Sequence controller
IT202000004231A1 (en) * 2020-02-28 2021-08-28 St Microelectronics Srl WAVE FORMS GENERATOR

Family Cites Families (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3162840A (en) * 1960-06-06 1964-12-22 Ibm Electronic data processing machine control
US3200379A (en) * 1961-01-23 1965-08-10 Burroughs Corp Digital computer
CA954631A (en) * 1970-03-02 1974-09-10 Rosemount Engineering Company Limited Multi-channel control systems
US3624611A (en) * 1970-03-09 1971-11-30 Gte Automatic Electric Lab Inc Stored-logic real time monitoring and control system
US3761882A (en) * 1971-12-01 1973-09-25 Struthers Dunn Process control computer

Also Published As

Publication number Publication date
DE2500320A1 (en) 1975-07-17
JPS50116887A (en) 1975-09-12
GB1490550A (en) 1977-11-02
GB1490549A (en) 1977-11-02
NL7500095A (en) 1975-07-09
FR2325103A1 (en) 1977-04-15
FR2325103B1 (en) 1983-03-25
IT1032183B (en) 1979-05-30
JPS6227404B2 (en) 1987-06-15
DE2500320C2 (en) 1988-06-16

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Legal Events

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