JPS6447911A - Process display apparatus - Google Patents
Process display apparatusInfo
- Publication number
- JPS6447911A JPS6447911A JP62204216A JP20421687A JPS6447911A JP S6447911 A JPS6447911 A JP S6447911A JP 62204216 A JP62204216 A JP 62204216A JP 20421687 A JP20421687 A JP 20421687A JP S6447911 A JPS6447911 A JP S6447911A
- Authority
- JP
- Japan
- Prior art keywords
- trend
- data
- history
- requested
- file
- 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
Links
Landscapes
- Indicating Measured Values (AREA)
- Testing And Monitoring For Control Systems (AREA)
- Controls And Circuits For Display Device (AREA)
Abstract
PURPOSE:To improve a plant monitoring function, by displaying the past time series data, which are stored beforehand when a trend display is requested, and instantaneously providing the change and the trend of the data. CONSTITUTION:When trend registration is requested 2, the request 2 is processed with the following parts: a trend-history registrating means 3, which registers the necessity of trend history; a trend-history storing means 10, which takes out the process data, for which the trend history registration is performed, and stores the data periodically in a trend history file 11; and a history display means 13, which displays the contents of the file 11 on a CRT 14 when the trend display is requested. In this way, the necessity of the trend history is registered beforehand. With respect to the process, which is specified by the trend history data, the data are stored in the file 11 every time the data are updated. The data before the trend display request are displayed 14 by using the data, which are stored in the file 11, in trend displaying. When the trend display is requested, the change and the trend of process data can be instantaneously provided for an operator.
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP62204216A JPS6447911A (en) | 1987-08-19 | 1987-08-19 | Process display apparatus |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP62204216A JPS6447911A (en) | 1987-08-19 | 1987-08-19 | Process display apparatus |
Publications (1)
Publication Number | Publication Date |
---|---|
JPS6447911A true JPS6447911A (en) | 1989-02-22 |
Family
ID=16486758
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
JP62204216A Pending JPS6447911A (en) | 1987-08-19 | 1987-08-19 | Process display apparatus |
Country Status (1)
Country | Link |
---|---|
JP (1) | JPS6447911A (en) |
Cited By (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPH0321652U (en) * | 1989-07-07 | 1991-03-05 | ||
JP2002071877A (en) * | 2000-08-29 | 2002-03-12 | Mitsubishi Heavy Ind Ltd | Monitoring method, and apparatus thereof |
-
1987
- 1987-08-19 JP JP62204216A patent/JPS6447911A/en active Pending
Cited By (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPH0321652U (en) * | 1989-07-07 | 1991-03-05 | ||
JP2002071877A (en) * | 2000-08-29 | 2002-03-12 | Mitsubishi Heavy Ind Ltd | Monitoring method, and apparatus thereof |
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