ZA752215B - Improvements in or relating to calculating equipment - Google Patents

Improvements in or relating to calculating equipment

Info

Publication number
ZA752215B
ZA752215B ZA00752215A ZA752215A ZA752215B ZA 752215 B ZA752215 B ZA 752215B ZA 00752215 A ZA00752215 A ZA 00752215A ZA 752215 A ZA752215 A ZA 752215A ZA 752215 B ZA752215 B ZA 752215B
Authority
ZA
South Africa
Prior art keywords
relating
calculating equipment
calculating
equipment
Prior art date
Application number
ZA00752215A
Other languages
English (en)
Inventor
A Sweet
Original Assignee
Itt
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 Itt filed Critical Itt
Publication of ZA752215B publication Critical patent/ZA752215B/xx

Links

Classifications

    • GPHYSICS
    • G06COMPUTING; CALCULATING OR COUNTING
    • G06FELECTRIC DIGITAL DATA PROCESSING
    • G06F9/00Arrangements for program control, e.g. control units
    • G06F9/06Arrangements for program control, e.g. control units using stored programs, i.e. using an internal store of processing equipment to receive or retain programs
    • G06F9/30Arrangements for executing machine instructions, e.g. instruction decode
    • G06F9/30003Arrangements for executing specific machine instructions
    • G06F9/30007Arrangements for executing specific machine instructions to perform operations on data operands
    • G06F9/30029Logical and Boolean instructions, e.g. XOR, NOT
    • 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
    • G05B19/05Programmable logic controllers, e.g. simulating logic interconnections of signals according to ladder diagrams or function charts
    • GPHYSICS
    • G06COMPUTING; CALCULATING OR COUNTING
    • G06FELECTRIC DIGITAL DATA PROCESSING
    • G06F9/00Arrangements for program control, e.g. control units
    • G06F9/06Arrangements for program control, e.g. control units using stored programs, i.e. using an internal store of processing equipment to receive or retain programs
    • G06F9/30Arrangements for executing machine instructions, e.g. instruction decode
    • G06F9/30003Arrangements for executing specific machine instructions
    • G06F9/30007Arrangements for executing specific machine instructions to perform operations on data operands
    • G06F9/30018Bit or string instructions
    • GPHYSICS
    • G06COMPUTING; CALCULATING OR COUNTING
    • G06FELECTRIC DIGITAL DATA PROCESSING
    • G06F9/00Arrangements for program control, e.g. control units
    • G06F9/06Arrangements for program control, e.g. control units using stored programs, i.e. using an internal store of processing equipment to receive or retain programs
    • G06F9/44Arrangements for executing specific programs
    • G06F9/448Execution paradigms, e.g. implementations of programming paradigms
    • G06F9/4482Procedural
    • G06F9/4484Executing subprograms
    • HELECTRICITY
    • H04ELECTRIC COMMUNICATION TECHNIQUE
    • H04QSELECTING
    • H04Q3/00Selecting arrangements
    • H04Q3/42Circuit arrangements for indirect selecting controlled by common circuits, e.g. register controller, marker
    • H04Q3/54Circuit arrangements for indirect selecting controlled by common circuits, e.g. register controller, marker in which the logic circuitry controlling the exchange is centralised
    • H04Q3/545Circuit arrangements for indirect selecting controlled by common circuits, e.g. register controller, marker in which the logic circuitry controlling the exchange is centralised using a stored programme
    • 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
    • G05B2219/10Plc systems
    • G05B2219/11Plc I-O input output
    • G05B2219/1127Selector for I-O, multiplex for I-O
    • 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
    • G05B2219/10Plc systems
    • G05B2219/12Plc mp multi processor system
    • G05B2219/1204Multiprocessing, several plc's, distributed logic control
    • 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
    • G05B2219/10Plc systems
    • G05B2219/15Plc structure of the system
    • G05B2219/15049Timer, counter, clock-calendar, flip-flop as peripheral
    • 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
    • G05B2219/10Plc systems
    • G05B2219/15Plc structure of the system
    • G05B2219/15055FIFO

Landscapes

  • Engineering & Computer Science (AREA)
  • Software Systems (AREA)
  • Theoretical Computer Science (AREA)
  • Physics & Mathematics (AREA)
  • General Physics & Mathematics (AREA)
  • General Engineering & Computer Science (AREA)
  • Computer Networks & Wireless Communication (AREA)
  • Automation & Control Theory (AREA)
  • Executing Machine-Instructions (AREA)
  • Debugging And Monitoring (AREA)
  • Complex Calculations (AREA)
  • Storage Device Security (AREA)
  • Exchange Systems With Centralized Control (AREA)
ZA00752215A 1974-05-23 1975-04-08 Improvements in or relating to calculating equipment ZA752215B (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
GB2306774A GB1448041A (en) 1974-05-23 1974-05-23 Data processing equipment

Publications (1)

Publication Number Publication Date
ZA752215B true ZA752215B (en) 1976-03-31

Family

ID=10189588

Family Applications (1)

Application Number Title Priority Date Filing Date
ZA00752215A ZA752215B (en) 1974-05-23 1975-04-08 Improvements in or relating to calculating equipment

Country Status (11)

Country Link
JP (1) JPS5124844A (xx)
AU (1) AU8105175A (xx)
BE (1) BE829386A (xx)
DE (1) DE2521900A1 (xx)
ES (1) ES437893A1 (xx)
FR (1) FR2272441B1 (xx)
GB (1) GB1448041A (xx)
IE (1) IE41472B1 (xx)
IN (1) IN141971B (xx)
NL (1) NL7506005A (xx)
ZA (1) ZA752215B (xx)

Families Citing this family (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FR2423820A1 (fr) * 1978-03-20 1979-11-16 Bendix Corp Processeur autonome entree/sortie pour systeme numerique
DE19837101C2 (de) * 1998-08-17 2000-11-23 Philips Corp Intellectual Pty Programmierbare 1-Bit Datenverarbeitungsanordnung
DE10163206B4 (de) * 2001-12-21 2004-03-11 Schneider Automation Gmbh Verfahren zum Betrieb einer speicherprogrammierbaren Steuerung

Also Published As

Publication number Publication date
AU8105175A (en) 1976-11-18
IE41472L (en) 1975-11-23
GB1448041A (en) 1976-09-02
IN141971B (xx) 1977-05-14
NL7506005A (nl) 1975-11-25
BE829386A (nl) 1975-11-24
JPS5124844A (xx) 1976-02-28
FR2272441B1 (xx) 1980-08-01
DE2521900A1 (de) 1975-12-04
IE41472B1 (en) 1980-01-16
FR2272441A1 (xx) 1975-12-19
ES437893A1 (es) 1977-01-01

Similar Documents

Publication Publication Date Title
HK20380A (en) Improvements in or relating to respirators
HK50780A (en) Improvements in or relating to radiography
ZA755082B (en) Improvements in or relating to spray apparatus
HK35379A (en) Improvements in or relating to radiography
MY7900013A (en) Improvements in or relating to radiology
MY7700324A (en) Improvements in or relating to bearings
MY7900015A (en) Improvements in or relating to radiology
ZA755559B (en) Improvements in or relating to gauging devices
MY7800443A (en) Improvements in or relating to radiography
ZA751884B (en) Improvements in or relating to tennis-rackets
HK54477A (en) Improvements in or relating to castors
ZA757254B (en) Improvements in or relating to positioning means
ZA752215B (en) Improvements in or relating to calculating equipment
ZA743527B (en) Improvements in or relating to pipes
ZA756794B (en) Improvements in or relating to signal smoothing devices
HK70378A (en) Improvements in or relating to radiography
IE40345B1 (en) Improvements in or relating to climbing structures
MY8100377A (en) Improvements in or relating to herbicides
HK45178A (en) Improvements in or relating to model figures
ZA746110B (en) Improvements in or relating to hosereels
ZA755449B (en) Improvements in or relating to sectional members
ZA744721B (en) Improvements in or relating to pit-props
ZA745591B (en) Improvements in or relating to antifuel-theft devices
ZA747800B (en) Improvements in or relating to mining equipment
ZA744692B (en) Improvements in or relating to measuring devices