GB1187381A - Operations Controller - Google Patents

Operations Controller

Info

Publication number
GB1187381A
GB1187381A GB226366A GB226366A GB1187381A GB 1187381 A GB1187381 A GB 1187381A GB 226366 A GB226366 A GB 226366A GB 226366 A GB226366 A GB 226366A GB 1187381 A GB1187381 A GB 1187381A
Authority
GB
United Kingdom
Prior art keywords
circuit
selector
programmed
reset
programme
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
GB226366A
Inventor
Harry Collinge
Anthony John Cobb
Alan John Monger
Anthony Trevor James
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.)
Imperial Chemical Industries Ltd
Original Assignee
Imperial Chemical Industries 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 Imperial Chemical Industries Ltd filed Critical Imperial Chemical Industries Ltd
Priority to GB226366A priority Critical patent/GB1187381A/en
Publication of GB1187381A publication Critical patent/GB1187381A/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
    • G05B19/12—Programme control other than numerical control, i.e. in sequence controllers or logic controllers using record carriers
    • G05B19/14—Programme control other than numerical control, i.e. in sequence controllers or logic controllers using record carriers using punched cards or tapes
    • 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
    • G05B2219/25383—Jump

Landscapes

  • Physics & Mathematics (AREA)
  • General Physics & Mathematics (AREA)
  • Engineering & Computer Science (AREA)
  • Automation & Control Theory (AREA)
  • Safety Devices In Control Systems (AREA)

Abstract

1,187,381. Programmed electric control. IMPERIAL CHEMICAL INDUSTRIES Ltd. April 18, 1967 [Jan.18, 1966], No.2263/66. Heading G3N. A programme for a machine or chemical plant is set up on programme cards which are patched through AND gates A mounted on the cards to control solenoid drive circuits SD for hydraulic valves controlling the machine or plant. The gates are enabled by a selector and satisfied by signals from a timer, having a programmed delay, or by plant input signals from the plant or machine being controlled. When satisfied, a signal is fed from the AND-gate A to a reset 1 circuit which emits a pulse to step on the selector thereby enabling the next AND-gate and resetting the timer. The reset circuit 1 comprises a filter, whereby interference is ignored, which triggers a first monostable circuit producing the selector stepping pulse and triggers a second monostable circuit which inhibits the first monostable circuit so that when the selector enables an AND gate that is already satisfied the selector is again stepped. Each solenoid drive circuit SD can be programmed to be operated on a number of selector steps and the state of the machine or plant can be indicated by lamps, not shown. A reset 2 circuit is used to step the selector to the initial position after a programmed number of steps, on the occurrence of a fault, and at the start of a programme. Manual stepping of the programme is effected by a single shot signal into the reset 1 circuit. The circuit shown by the broken lines permits programmed jumps between any steps of the selector by AND gates which are enabled from the programme card. The jump control circuit is similar to the reset circuit 1 and through a solenoid drive circuit SD, operating as a power amplifier, which, via the selector inhibits the programmed jump AND gates A so that the information in a jump memory cannot be changed until the jump is completed. It is stated that a jump to steps other than zero can be arranged by providing additional reset circuits 2.
GB226366A 1966-01-18 1966-01-18 Operations Controller Expired GB1187381A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
GB226366A GB1187381A (en) 1966-01-18 1966-01-18 Operations Controller

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
GB226366A GB1187381A (en) 1966-01-18 1966-01-18 Operations Controller

Publications (1)

Publication Number Publication Date
GB1187381A true GB1187381A (en) 1970-04-08

Family

ID=9736479

Family Applications (1)

Application Number Title Priority Date Filing Date
GB226366A Expired GB1187381A (en) 1966-01-18 1966-01-18 Operations Controller

Country Status (1)

Country Link
GB (1) GB1187381A (en)

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FR2134495A1 (en) * 1971-04-26 1972-12-08 Mcneil Corp
FR2236226A1 (en) * 1973-07-05 1975-01-31 Ind Dynamics Inc

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FR2134495A1 (en) * 1971-04-26 1972-12-08 Mcneil Corp
FR2236226A1 (en) * 1973-07-05 1975-01-31 Ind Dynamics Inc

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Legal Events

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