JPS57199056A - Execution and monitoring device for control program - Google Patents

Execution and monitoring device for control program

Info

Publication number
JPS57199056A
JPS57199056A JP56085396A JP8539681A JPS57199056A JP S57199056 A JPS57199056 A JP S57199056A JP 56085396 A JP56085396 A JP 56085396A JP 8539681 A JP8539681 A JP 8539681A JP S57199056 A JPS57199056 A JP S57199056A
Authority
JP
Japan
Prior art keywords
program
execution
control program
signal
runaway
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.)
Pending
Application number
JP56085396A
Other languages
Japanese (ja)
Inventor
Hisao Nagata
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.)
NEC Corp
Original Assignee
NEC Corp
Nippon Electric Co 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 NEC Corp, Nippon Electric Co Ltd filed Critical NEC Corp
Priority to JP56085396A priority Critical patent/JPS57199056A/en
Publication of JPS57199056A publication Critical patent/JPS57199056A/en
Pending legal-status Critical Current

Links

Classifications

    • G—PHYSICS
    • G06—COMPUTING; CALCULATING OR COUNTING
    • G06F—ELECTRIC DIGITAL DATA PROCESSING
    • G06F11/00—Error detection; Error correction; Monitoring
    • G06F11/07—Responding to the occurrence of a fault, e.g. fault tolerance
    • G06F11/0703—Error or fault processing not based on redundancy, i.e. by taking additional measures to deal with the error or fault not making use of redundancy in operation, in hardware, or in data representation
    • G06F11/0751—Error or fault detection not based on redundancy
    • G06F11/0763—Error or fault detection not based on redundancy by bit configuration check, e.g. of formats or tags

Landscapes

  • Engineering & Computer Science (AREA)
  • Theoretical Computer Science (AREA)
  • Quality & Reliability (AREA)
  • Physics & Mathematics (AREA)
  • General Engineering & Computer Science (AREA)
  • General Physics & Mathematics (AREA)
  • Debugging And Monitoring (AREA)

Abstract

PURPOSE:To detect the runaway of a program executed by an errornesus order of execution in program unit, by comparing data set in accordance with the execution of the program with the completed program unit. CONSTITUTION:Data transmitted from a CPU via a data bus 11 are fetched to a storage device 1 with a storage command signal 10. Simultaneously, the signal 10 is counted at a counter 2. An output data 12 of the device 1 and an output data 21 of the device 2 are compared at a comparison circit 3, and when they are coincident, the processing is advanced and when dissident, a failure signal 30 for program execution order is outputted. Thus, the runaway of the control program can be detected and the failure control of a device to be controlled can be prevented.
JP56085396A 1981-06-03 1981-06-03 Execution and monitoring device for control program Pending JPS57199056A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
JP56085396A JPS57199056A (en) 1981-06-03 1981-06-03 Execution and monitoring device for control program

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP56085396A JPS57199056A (en) 1981-06-03 1981-06-03 Execution and monitoring device for control program

Publications (1)

Publication Number Publication Date
JPS57199056A true JPS57199056A (en) 1982-12-06

Family

ID=13857604

Family Applications (1)

Application Number Title Priority Date Filing Date
JP56085396A Pending JPS57199056A (en) 1981-06-03 1981-06-03 Execution and monitoring device for control program

Country Status (1)

Country Link
JP (1) JPS57199056A (en)

Cited By (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS603045A (en) * 1983-06-20 1985-01-09 Nec Corp Detector for program address malfunction
JPS62241036A (en) * 1986-04-11 1987-10-21 Hitachi Ltd Protecting system for program runway
US7664939B2 (en) 2006-04-28 2010-02-16 Hitachi, Ltd. Method and apparatus for detecting false operation of computer

Citations (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS5278334A (en) * 1975-12-25 1977-07-01 Fujitsu Ltd Program sequence check system

Patent Citations (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS5278334A (en) * 1975-12-25 1977-07-01 Fujitsu Ltd Program sequence check system

Cited By (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS603045A (en) * 1983-06-20 1985-01-09 Nec Corp Detector for program address malfunction
JPH0320776B2 (en) * 1983-06-20 1991-03-20 Nippon Electric Co
JPS62241036A (en) * 1986-04-11 1987-10-21 Hitachi Ltd Protecting system for program runway
JPH0580692B2 (en) * 1986-04-11 1993-11-10 Hitachi Ltd
US7664939B2 (en) 2006-04-28 2010-02-16 Hitachi, Ltd. Method and apparatus for detecting false operation of computer

Similar Documents

Publication Publication Date Title
JPS55131852A (en) Fail-safe unit of control computer
JPS57199056A (en) Execution and monitoring device for control program
JPS5790714A (en) Monitor system of numerical control machine tool
JPS56153457A (en) Measuring device for computer load
JPS57164343A (en) Check point save system
JPS55157022A (en) Output circuit for microcomputer
JPS5727322A (en) Input and output controlling system of computer
JPS5413236A (en) Bus control system
JPS55119755A (en) Processor providing test instruction function
JPS5552155A (en) Check system of arithmetic logical operation unit
JPS57193842A (en) Request conflict detecting system
JPS6462999A (en) System for data source and sink
JPS56132607A (en) Fault detector
JPS5561858A (en) Central operation control unit
JPS57157305A (en) Print control method for message
JPS5499882A (en) Plant supervisory controller
JPS5757310A (en) Numerical controller incorporating address stop function
JPS647247A (en) Multiprocessor system
JPS57197628A (en) Trouble processing system of electronic device
JPS5525123A (en) Sequential controller
JPS57207952A (en) Instruction controlling system
JPS57111640A (en) Detection system for program running tracing
JPS54149984A (en) Tool compensation command checking system
JPS54101072A (en) False operation detector of servo-device
JPS556691A (en) Monitor unit of sequential controller