SUPERVISORY DEVICE OF OPERATION

Title:

SUPERVISORY DEVICE OF OPERATION

Document Type and Number:

Japanese Patent JPS59108114

Kind Code:

A

Abstract:

PURPOSE:To search the cause of a failure immediately at the generation of an abnormal state by storing data signals indicating the change of the operating status of a controlling device in respective storage elements of an external storage part. CONSTITUTION:An operation supervisory device 11 is connected to the controlling device 2 through an input terminal 12. The data signals indicating the operating status from the input terminal 12 are inputted to a CPU 14 through an I/O 13. The data signals from the CPU 14 are successively written in the prescribed storage elements of the external storage part 15. On the other hand, an external trigger signal indicating the abnormal status applies an interruption signal (a) to the CPU 14 through an interruption signal input processing part 16. The data stored in the prescribed storage elements of the external storage part 15 are printed out by a printer 19 through a printer driving part 18. Consequently, the cause of a failure at the generation of the abnormal status can be immediately searched.

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Inventors:

HIROSE NORIAKI

Application Number:

JP21856482A

Publication Date:

June 22, 1984

Filing Date:

December 14, 1982

Export Citation:

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Assignee:

TOSHIBA KK

International Classes:

G05B23/02; G06F11/07; (IPC1-7): G05B23/02

Attorney, Agent or Firm:

Takehiko Suzue

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Next Patent: FORECASTING AND DISPLAYING DEVICE OF EXTENDING RANGE OF FAILURE IN PLANT