GB1348219A - Sequence control - Google Patents

Sequence control

Info

Publication number
GB1348219A
GB1348219A GB4329272A GB4329272A GB1348219A GB 1348219 A GB1348219 A GB 1348219A GB 4329272 A GB4329272 A GB 4329272A GB 4329272 A GB4329272 A GB 4329272A GB 1348219 A GB1348219 A GB 1348219A
Authority
GB
United Kingdom
Prior art keywords
potentiometers
sept
amplifier
voltage
output
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
GB4329272A
Other languages
English (en)
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.)
Cutler Hammer Europe Ltd
Original Assignee
Brockhurst Igranic 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 Brockhurst Igranic Ltd filed Critical Brockhurst Igranic Ltd
Publication of GB1348219A publication Critical patent/GB1348219A/en
Expired legal-status Critical Current

Links

Classifications

    • GPHYSICS
    • G05CONTROLLING; REGULATING
    • G05BCONTROL OR REGULATING SYSTEMS IN GENERAL; FUNCTIONAL ELEMENTS OF SUCH SYSTEMS; MONITORING OR TESTING ARRANGEMENTS FOR SUCH SYSTEMS OR ELEMENTS
    • G05B19/00Programme-control systems
    • G05B19/02Programme-control systems electric
    • G05B19/04Programme control other than numerical control, i.e. in sequence controllers or logic controllers
    • G05B19/07Programme control other than numerical control, i.e. in sequence controllers or logic controllers where the programme is defined in the fixed connection of electrical elements, e.g. potentiometers, counters, transistors
    • GPHYSICS
    • G05CONTROLLING; REGULATING
    • G05BCONTROL OR REGULATING SYSTEMS IN GENERAL; FUNCTIONAL ELEMENTS OF SUCH SYSTEMS; MONITORING OR TESTING ARRANGEMENTS FOR SUCH SYSTEMS OR ELEMENTS
    • G05B2219/00Program-control systems
    • G05B2219/20Pc systems
    • G05B2219/25Pc structure of the system
    • G05B2219/25372Sequence command, next step if reference equals ramp signal level

Landscapes

  • Physics & Mathematics (AREA)
  • General Physics & Mathematics (AREA)
  • Engineering & Computer Science (AREA)
  • Automation & Control Theory (AREA)
  • Arc Welding Control (AREA)
  • Pulse Circuits (AREA)
GB4329272A 1971-09-22 1972-09-19 Sequence control Expired GB1348219A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
AUPA638071 1971-09-22

Publications (1)

Publication Number Publication Date
GB1348219A true GB1348219A (en) 1974-03-13

Family

ID=3764826

Family Applications (1)

Application Number Title Priority Date Filing Date
GB4329272A Expired GB1348219A (en) 1971-09-22 1972-09-19 Sequence control

Country Status (7)

Country Link
US (1) US3816724A (GUID-C5D7CC26-194C-43D0-91A1-9AE8C70A9BFF.html)
JP (1) JPS4838849A (GUID-C5D7CC26-194C-43D0-91A1-9AE8C70A9BFF.html)
CA (1) CA972853A (GUID-C5D7CC26-194C-43D0-91A1-9AE8C70A9BFF.html)
DE (1) DE2246040A1 (GUID-C5D7CC26-194C-43D0-91A1-9AE8C70A9BFF.html)
FR (1) FR2153367A1 (GUID-C5D7CC26-194C-43D0-91A1-9AE8C70A9BFF.html)
GB (1) GB1348219A (GUID-C5D7CC26-194C-43D0-91A1-9AE8C70A9BFF.html)
IT (1) IT965434B (GUID-C5D7CC26-194C-43D0-91A1-9AE8C70A9BFF.html)

Families Citing this family (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3987359A (en) * 1974-12-23 1976-10-19 Westinghouse Electric Corporation Phase angle function generator for static VAR control
US4267468A (en) * 1979-04-23 1981-05-12 Motorola, Inc. Temperature sensing circuit
US5546039A (en) * 1994-11-02 1996-08-13 Advanced Micro Devices, Inc. Charge dissipation in capacitively loaded ports
US6664556B2 (en) * 2001-01-31 2003-12-16 Intel Corporation Method and apparatus for a phototransistor pulse width converter

Family Cites Families (9)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3105939A (en) * 1959-09-15 1963-10-01 Marconi Co Canada Precision time delay generator
GB948972A (en) * 1961-10-20 1964-02-05 English Electric Co Ltd Electric voltage comparison means
US3397323A (en) * 1966-03-24 1968-08-13 Mallory & Co Inc P R Timer
GB1232857A (GUID-C5D7CC26-194C-43D0-91A1-9AE8C70A9BFF.html) * 1968-08-07 1971-05-19
US3596113A (en) * 1969-04-04 1971-07-27 Robert L Seidler Pulse generating and timing circuit for providing accurately timed repetition of sequence of pulses
US3670180A (en) * 1969-11-19 1972-06-13 Concord Control Inc Intervalometer
US3688131A (en) * 1970-03-16 1972-08-29 Rca Corp Time delay device
US3660693A (en) * 1970-10-01 1972-05-02 Weltronic Co Analog tens and units timer with source synchronization
US3694669A (en) * 1971-04-27 1972-09-26 Food Automation Service Tech Timing circuit for a programmable timer

Also Published As

Publication number Publication date
IT965434B (it) 1974-01-31
CA972853A (en) 1975-08-12
US3816724A (en) 1974-06-11
FR2153367A1 (GUID-C5D7CC26-194C-43D0-91A1-9AE8C70A9BFF.html) 1973-05-04
JPS4838849A (GUID-C5D7CC26-194C-43D0-91A1-9AE8C70A9BFF.html) 1973-06-07
DE2246040A1 (de) 1973-03-29

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Legal Events

Date Code Title Description
PS Patent sealed [section 19, patents act 1949]
PCNP Patent ceased through non-payment of renewal fee