ITFI910030A1 - METHOD AND SYSTEM FOR THE NUMERICAL CONTROL OF A PLANT OR A MACHINE VIA A MICROPROCESSOR. - Google Patents

METHOD AND SYSTEM FOR THE NUMERICAL CONTROL OF A PLANT OR A MACHINE VIA A MICROPROCESSOR.

Info

Publication number
ITFI910030A1
ITFI910030A1 IT000030A ITFI910030A ITFI910030A1 IT FI910030 A1 ITFI910030 A1 IT FI910030A1 IT 000030 A IT000030 A IT 000030A IT FI910030 A ITFI910030 A IT FI910030A IT FI910030 A1 ITFI910030 A1 IT FI910030A1
Authority
IT
Italy
Prior art keywords
microprocessor
mode
plant
operating
numerical control
Prior art date
Application number
IT000030A
Other languages
Italian (it)
Inventor
Andrea Bini
Ugo Cirri
Alessandro Dreoni
Original Assignee
D E Sistemi S R L
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 D E Sistemi S R L filed Critical D E Sistemi S R L
Priority to ITFI910030A priority Critical patent/IT1246673B/en
Publication of ITFI910030A0 publication Critical patent/ITFI910030A0/en
Publication of ITFI910030A1 publication Critical patent/ITFI910030A1/en
Application granted granted Critical
Publication of IT1246673B publication Critical patent/IT1246673B/en

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
    • G06F9/44—Arrangements for executing specific programs
    • G06F9/455—Emulation; Interpretation; Software simulation, e.g. virtualisation or emulation of application or operating system execution engines

Landscapes

  • Engineering & Computer Science (AREA)
  • Software Systems (AREA)
  • Theoretical Computer Science (AREA)
  • Physics & Mathematics (AREA)
  • General Engineering & Computer Science (AREA)
  • General Physics & Mathematics (AREA)
  • Safety Devices In Control Systems (AREA)
  • Numerical Control (AREA)

Abstract

A method for managing an industrial automation system comprising a microprocessor operating by means of an operating system which controls a part of the microprocessor memory is described; said method envisages generating periodically a non-maskable interrupt (NMI) signal which switches the operating mode of the microprocessor from real mode to protected mode and cyclically effecting return to the real mode; during operation in protected mode the programs controlling the automation process are executed, said programs being located in a memory zone which is not controlled by the operating system. Fig. 1 <IMAGE>
ITFI910030A 1991-02-13 1991-02-13 Method and system for numerically controlling a plant or a machine by means of a microprocessor IT1246673B (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
ITFI910030A IT1246673B (en) 1991-02-13 1991-02-13 Method and system for numerically controlling a plant or a machine by means of a microprocessor

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
ITFI910030A IT1246673B (en) 1991-02-13 1991-02-13 Method and system for numerically controlling a plant or a machine by means of a microprocessor

Publications (3)

Publication Number Publication Date
ITFI910030A0 ITFI910030A0 (en) 1991-02-13
ITFI910030A1 true ITFI910030A1 (en) 1992-08-13
IT1246673B IT1246673B (en) 1994-11-24

Family

ID=11349468

Family Applications (1)

Application Number Title Priority Date Filing Date
ITFI910030A IT1246673B (en) 1991-02-13 1991-02-13 Method and system for numerically controlling a plant or a machine by means of a microprocessor

Country Status (1)

Country Link
IT (1) IT1246673B (en)

Families Citing this family (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US5978912A (en) * 1997-03-20 1999-11-02 Phoenix Technologies Limited Network enhanced BIOS enabling remote management of a computer without a functioning operating system

Also Published As

Publication number Publication date
IT1246673B (en) 1994-11-24
ITFI910030A0 (en) 1991-02-13

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Legal Events

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0001 Granted
TA Fee payment date (situation as of event date), data collected since 19931001

Effective date: 19940225