ZA752215B - Improvements in or relating to calculating equipment - Google Patents
Improvements in or relating to calculating equipmentInfo
- 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
Links
Classifications
-
- G—PHYSICS
- G06—COMPUTING; CALCULATING OR COUNTING
- G06F—ELECTRIC DIGITAL DATA PROCESSING
- G06F9/00—Arrangements for program control, e.g. control units
- G06F9/06—Arrangements for program control, e.g. control units using stored programs, i.e. using an internal store of processing equipment to receive or retain programs
- G06F9/30—Arrangements for executing machine instructions, e.g. instruction decode
- G06F9/30003—Arrangements for executing specific machine instructions
- G06F9/30007—Arrangements for executing specific machine instructions to perform operations on data operands
- G06F9/30029—Logical and Boolean instructions, e.g. XOR, NOT
-
- 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
- G06—COMPUTING; CALCULATING OR COUNTING
- G06F—ELECTRIC DIGITAL DATA PROCESSING
- G06F9/00—Arrangements for program control, e.g. control units
- G06F9/06—Arrangements for program control, e.g. control units using stored programs, i.e. using an internal store of processing equipment to receive or retain programs
- G06F9/30—Arrangements for executing machine instructions, e.g. instruction decode
- G06F9/30003—Arrangements for executing specific machine instructions
- G06F9/30007—Arrangements for executing specific machine instructions to perform operations on data operands
- G06F9/30018—Bit or string instructions
-
- G—PHYSICS
- G06—COMPUTING; CALCULATING OR COUNTING
- G06F—ELECTRIC DIGITAL DATA PROCESSING
- G06F9/00—Arrangements for program control, e.g. control units
- G06F9/06—Arrangements for program control, e.g. control units using stored programs, i.e. using an internal store of processing equipment to receive or retain programs
- G06F9/44—Arrangements for executing specific programs
- G06F9/448—Execution paradigms, e.g. implementations of programming paradigms
- G06F9/4482—Procedural
- G06F9/4484—Executing subprograms
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04Q—SELECTING
- H04Q3/00—Selecting arrangements
- H04Q3/42—Circuit arrangements for indirect selecting controlled by common circuits, e.g. register controller, marker
- H04Q3/54—Circuit arrangements for indirect selecting controlled by common circuits, e.g. register controller, marker in which the logic circuitry controlling the exchange is centralised
- H04Q3/545—Circuit 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
-
- 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
- G05B2219/1127—Selector for I-O, multiplex for I-O
-
- 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
- G05B2219/12—Plc mp multi processor system
- G05B2219/1204—Multiprocessing, several plc's, distributed logic control
-
- 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
- G05B2219/15049—Timer, counter, clock-calendar, flip-flop as peripheral
-
- 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
- G05B2219/15055—FIFO
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)
- Storage Device Security (AREA)
- Complex Calculations (AREA)
- Exchange Systems With Centralized Control (AREA)
- Debugging And Monitoring (AREA)
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 (ja) |
| AU (1) | AU8105175A (ja) |
| BE (1) | BE829386A (ja) |
| DE (1) | DE2521900A1 (ja) |
| ES (1) | ES437893A1 (ja) |
| FR (1) | FR2272441B1 (ja) |
| GB (1) | GB1448041A (ja) |
| IE (1) | IE41472B1 (ja) |
| IN (1) | IN141971B (ja) |
| NL (1) | NL7506005A (ja) |
| ZA (1) | ZA752215B (ja) |
Families Citing this family (3)
| 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 |
-
1974
- 1974-05-23 GB GB2306774A patent/GB1448041A/en not_active Expired
-
1975
- 1975-04-08 ZA ZA00752215A patent/ZA752215B/xx unknown
- 1975-05-12 IN IN937/CAL/75A patent/IN141971B/en unknown
- 1975-05-12 AU AU81051/75A patent/AU8105175A/en not_active Expired
- 1975-05-16 DE DE19752521900 patent/DE2521900A1/de not_active Withdrawn
- 1975-05-22 FR FR7515921A patent/FR2272441B1/fr not_active Expired
- 1975-05-22 NL NL7506005A patent/NL7506005A/xx not_active Application Discontinuation
- 1975-05-23 JP JP50062442A patent/JPS5124844A/ja active Pending
- 1975-05-23 ES ES437893A patent/ES437893A1/es not_active Expired
- 1975-05-23 BE BE2054355A patent/BE829386A/xx unknown
- 1975-05-23 IE IE1160/75A patent/IE41472B1/en unknown
Also Published As
| Publication number | Publication date |
|---|---|
| FR2272441A1 (ja) | 1975-12-19 |
| AU8105175A (en) | 1976-11-18 |
| BE829386A (nl) | 1975-11-24 |
| NL7506005A (nl) | 1975-11-25 |
| IE41472B1 (en) | 1980-01-16 |
| IE41472L (en) | 1975-11-23 |
| IN141971B (ja) | 1977-05-14 |
| ES437893A1 (es) | 1977-01-01 |
| GB1448041A (en) | 1976-09-02 |
| FR2272441B1 (ja) | 1980-08-01 |
| DE2521900A1 (de) | 1975-12-04 |
| JPS5124844A (ja) | 1976-02-28 |
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