Title:
PLANT ALARM MONITORING DEVICE
Document Type and Number:
Japanese Patent JP3445409
Kind Code:
B2
Abstract:
PURPOSE: To enable a monitor to instantaneously confirm the number of alarm data in every criticality and also to prevent the overlooking or alarms or high criticality toy retrieving the plant state display data on the criticality out of the data store means and displaying them as the alarm data.
CONSTITUTION: A display data generation means 5 reads the PID numbers one by one out of a display request rank store area 15 and successively use these PID numbers as keys to retrieve the data on the time, the present value, the alarm limitation, etc., out of a plant state display data table 6. Then the means 5 adds the rank data to those retrieved data and transfers these data to a display means 11 as the alarm data. Thus the alarm data belonging to every selected rank are shown in a list in the alarm data display area of an alarm screen. Therefore, the number of plant state display data which are kept in an alarm state are displayed in every criticality. Then the data of the criticality selected optionally can be displayed in a list as the alarm data.
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Inventors:
Hidenobu Nishiyama
Mitsuru Kishigami
Shigeyuki Kurakami
Mitsuru Kishigami
Shigeyuki Kurakami
Application Number:
JP14433795A
Publication Date:
September 08, 2003
Filing Date:
June 12, 1995
Export Citation:
Assignee:
Toshiba System Technology Corporation
Toshiba Corporation
Toshiba Corporation
International Classes:
G21C17/00; G05B23/02; G08B25/00; (IPC1-7): G05B23/02; G08B25/00
Domestic Patent References:
| JP63179216A | ||||
| JP5174274A | ||||
| JP793682A | ||||
| JP4369099A |
Attorney, Agent or Firm:
Saichi Suyama
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