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Title:
DEVICE AND METHOD FOR MONITORING PLANT
Document Type and Number:
Japanese Patent JP3085095
Kind Code:
B2
Abstract:

PURPOSE: To clearly distinguish information required for an operator from unrequired information by storing the change of the operating states of plant equipments as history data for the respective plant equipments, changing the display form of the information and/or symbols relating to the operating states corresponding to the history data and displaying them.
CONSTITUTION: Process information 1 is read in routine screen information 2 prepared beforehand and the time and date and the number of times, etc., of fault, abnormality or alarm generation for the respective plant equipments are recorded in a history data base 3 as the history data. A history data processing function 4 judges the degree of the emphasis of the process information displayed in the routine screen information 2 corresponding to the number of times and frequency, etc., of the alarm generation based on the data of the history data base 3. The process information is emphasized in a screen working processing function 5 for the routine screen information 2 and the result is displayed at a display device by a screen display function 6. Also, the display contents of a screen can be changed corresponding to a user by providing a function for specifying the user of the display device by utilizing an ID card or the like.


Inventors:
Masaru Sugihara
Masayuki Fukai
Takekazu Maruyama
Application Number:
JP17227394A
Publication Date:
September 04, 2000
Filing Date:
July 25, 1994
Export Citation:
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Assignee:
株式会社日立製作所
International Classes:
G08B23/00; G07C3/00; (IPC1-7): G08B23/00
Domestic Patent References:
JP2193300A
JP62264397A
Attorney, Agent or Firm:
Yasuo Sakuta



 
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