JPH028998A - Plant monitor - Google Patents

Abstract

PURPOSE:To precisely judge the abnormality contents of a plant and to attain the best measures for an abnormality by displaying a system condition displaying screen to show the condition of the system designated based on the memory contents of an abnormality information data table. CONSTITUTION:An abnormality information system control means 5 identifies the condition of respective systems of a plant based on the normal/abnormal condition of an input process signal. The identified result is brought systematically into the system abnormality monitoring screen by a data displaying control means 9 and is displayed in parallel to the monitoring screen of respective parts of the plant. An abnormality information picture data editing means 13, when a system abnormality monitoring screen is designated by an address input device 11, outputs and displays the system condition displaying screen to display the condition of the system designated based on the memory contents of an abnormality information data table 8 to a display device 12. Thus, a monitoring person can monitor the condition for a system from the displaying contents of the system abnormality displayed on the monitoring screen and can take the precise measures against the abnormality contents.

Description

DETAILED DESCRIPTION OF THE INVENTION [Object of the Invention (Industrial Application Field) The present invention relates to a plant monitoring device that displays plant monitoring information and detects and displays abnormal conditions in the plant.

(Prior art) When a plant monitoring device for monitoring the operating status of an industrial plant detects an abnormality in the plant, it displays an alarm to report the detected abnormality, and also displays the detected abnormality and its details. It was displayed. The plant monitoring device is also equipped with a function to display a list of abnormal items.

Therefore, when an abnormality detection alarm is displayed, the supervisor can check based on the abnormality detection item and its contents, as well as the displayed contents of the list of abnormality items.

The details of the abnormality that occurred and the measures taken to deal with the abnormality were taken.

(Problems to be Solved by the Invention) However, with such conventional technology, it takes time from the occurrence of an abnormality to the time when a corrective action is taken for the abnormality, and the result of determining the content of the abnormality and the measures taken against the abnormality are not available to the monitor. This has led to the inconvenience that when an abnormality occurs in a plant, it is not possible to immediately take the best measures to deal with the abnormality.

Therefore, one aspect of the present invention is to solve the problems of the prior art, and to enable supervisors to accurately determine the nature of abnormality in the plant.

The objective is to provide a plant monitoring device that can take the best measures against abnormalities.

[Configuration of the Invention (Means for Solving the Problem) The present invention provides an address input device for specifying an arbitrary point on the screen of a screen display device that displays a monitoring screen, and an input process signal and its normal/abnormal state. An abnormality information data table that stores the distinction, an abnormality information system management means that identifies the status of each system of the plant based on the normal/abnormal state of the input process signal, and an abnormality information system management means that identifies the identification results of the abnormality information system management means for each system. display control means for displaying a combined system abnormality monitoring screen in parallel on the monitoring screen of each part of the plant; and when the system abnormality monitoring screen is specified by the address input device, the system abnormality monitoring screen is specified based on the stored contents of the abnormality information data table. The system is equipped with abnormality information screen data editing means for displaying a system status display screen on a screen display device, which displays the status of the system that has been detected.

(Function) Therefore, the monitor can monitor the normal/abnormal status of each system from the display contents of the system abnormality screen displayed on the monitoring screen, and can also check whether an abnormality has been detected by inputting the address of the system abnormality screen. Since the system status display screen of the system can be displayed immediately, the content of the abnormality can be appropriately and quickly determined, and the corresponding measures can be taken accurately.

(Embodiments) Hereinafter, embodiments of the present invention will be described in detail with reference to the accompanying drawings.

FIG. 1 shows a plant monitoring device according to an embodiment of the present invention.

In the figure, process signals of a plant 1 are applied to a plant status determination means 4 of a plant monitoring bag @3 via a data input device 2.

In the plant monitoring device 3, the plant state determining means 4
compares each input process signal with a specified state and determines whether each process signal is normal or abnormal, and the process signal determined to be normal is the normal process signal NP. The process signal determined to be abnormal is output to the abnormality information system management means 5, the plant data processing means 6, and the alarm/failure data as an abnormal process signal BP. It is output to the editing means 7.

The abnormality information system management means 5 stores the contents of the input normal process signal NP and abnormal process signal BP in the abnormality information data table 8, and also stores the contents of the normal process signal NP and abnormal process signal B for each system of the plant 1.
Based on the contents of P and the stored contents of the abnormality information data table 8, it is determined whether or not there is an abnormality, and the determination result is stored in the abnormality information data table 8.

In addition, the abnormality information system management means 5 instructs the data display control means 9 to switch the abnormality display for the system whose determination result has been changed to abnormal state using the display switching signal DC.
Furthermore, for the systems whose determination result has changed to normal, a command is given to change the normal display.

The abnormality information data table 8 stores information on the normal/abnormal status of the system input from the abnormality information system management means 5 and the contents of process signals for each system, as well as the causes and countermeasures for each abnormality. Information for displaying each is also stored.

The plant data processing means 6 forms monitoring screen display information for monitoring the status of each part of the plant 1 based on the input normal process signal NP and abnormal process signal BP, and the monitoring screen display information DD. is output to the data display control means 9.

The alarm/failure data editing means 7 outputs the abnormal process signal BP.
Based on this, alarm/failure message data for notifying the occurrence of an abnormality and an abnormal item is formed, and the alarm/failure message data MS is output to the data display control means 9.

The screen address identification means 10 includes an address input device 11 (
Based on the address signal AD output from the display device 12 (described later), the system that has been operated on the system status display screen (described later) displayed on the screen of the display device 12 (described later) is determined, and the determination result is , is added to the abnormality information screen data editing means 13 and the plant data processing means 6.

The abnormality information screen data editing means 13 selects the screen address identification means 1 based on the stored contents of the abnormality information data table 8.
The abnormality information display screen information DB for displaying the abnormality information of the system notified from 0 is formed, and the abnormality information display screen information DB is output to the data display control means 9.

The data display means 9 displays the display switching signal DC inputted from the abnormality information system management means 5, the monitoring screen display information DD inputted from the plant data processing means 6, and the alarm/failure message data inputted from the W report/failure data editing means 7. sticky,
The content of the display screen to be displayed on the display device 12 is configured based on the abnormality information display screen information on input from the abnormality information screen data editing means 13, and the display information DS is output to the display device 12. has been done.

Further, the keyboard device 14 is used for interactively inputting contents to be displayed on the display device 12, and the address input device 11 is used for inputting an address signal indicating an arbitrary point on the display screen of the display device 12. belongs to. A well-known pointing device can be used as the address input bag @11.

FIG. 2(a) shows the display contents of the display device 12. As shown in FIG.

The display screen of the display device 12 has an area ARI at the top for indicating the title of the display screen, and an area AR for displaying the contents of the alarm/failure message data MS at the top f.
4, area AR3 of the system status display screen for displaying the status of each system is allocated above area AR4, and area AR2 for displaying the plant status is allocated to most of the other center area. .

With the above configuration, when the observer inputs the identification information of the screen to be displayed (for example, screen number or system number) using the keyboard device 14, the data display control means 9 displays the input screen in the area ARI. In addition to displaying the title, display information DS for displaying the contents of the screen in the area AR2 is formed and outputted to the display device 12 (processes 101 and 102 in FIG. 3(a)). Note that the display contents of the area AR2 are formed based on the monitoring screen display information DD.

Also, if all systems are normal at this time, area AR3
The normal state of each system is displayed in a gray color, and nothing is displayed in the area AR4.

In this case, a character string that indicates the abnormal state of each system is assigned to area AR3, and the part where the normal state is displayed in the color that indicates the normal state is because the background color and the character string color are the same. The character string cannot be visually recognized by the supervisor, and the character string can be visually recognized by the supervisor because the background color and the character string color are different in the part where the abnormal condition is displayed in a hail color.

In this state, the rX X X
It is assumed that an abnormality in the “×” system is determined.

Thereby, the abnormal state system management means 5 instructs the data display control means 9 to switch the display of the "XXXX" system to the abnormal state using the display switching signal DC. Also, alarm/
The defective data editing means 7 outputs the warning and defective message data MS to the data display control means 9 to notify that the oO00J device has become abnormal (processes 201 to 204 in FIG. 3(b)).

Therefore, the data display control means 9 displays (
In addition to displaying the bottom of rXXXXJXXXX in an abnormal color,
Display information O3 for displaying a message (“○000” device failure) in area AR4 is formed and output to display device 12. Note that at this time, the area ARI,
The contents of display information O5 corresponding to the display contents of AR2 are the same as described above.

As a result, (rXXXXJ system failure) is displayed in a visible state in area AR3, and ('00
00J device failure) message is displayed.

Here, the supervisor uses the address input device 11 to check the area AR3 (rXXXXJ system failure) where the abnormality is displayed.
When display is designated, the address signal AD corresponding to the designated point is output from the address input device 11.

Thereby, the screen address identifying means 10 recognizes that the designated point is an area of the "XXXX" system, and the recognition result is notified to the abnormality information screen data editing means 13 (third Process 301 in Figure (C).

As a result, the abnormality information screen data editing means 13.

rx X Abnormality information display screen information D
B and outputs it to the data display control means 9 (
Processes 302 and 303 in FIG. 3(C).

As a result, the data display control means 9 displays the data as shown in FIG. 2(b).
As shown in , at that time, the title corresponding to the abnormal information display screen information DB is placed in the area ARI, and the abnormal information display screen information D
The contents of B are displayed in area AR2.

In addition, in the same figure, (rxxxx" system failure) is displayed in a visible state in area AR3, and (
roooOJ device failure) message is displayed.

Further, in this case, in the area AR2, only the display area that is actually in an abnormal state (roooOJ device failure) is displayed in an abnormal color, and the display areas of other elements are displayed in a normal color. In addition, the causes of abnormalities in those elements and countermeasures are also displayed in proximity to the display area of each element.

In this way, in this embodiment, information identifying the normal/abnormal state of each system and the elements in the abnormal state are displayed on the monitoring screen, and when the system in the abnormal state is indicated, A system diagram showing the abnormal state of the system will be displayed, and the cause and countermeasures for the abnormality will also be displayed.
The monitor can accurately determine the content of an abnormality when an abnormality is detected and take appropriate countermeasures.

By the way, in the above-mentioned embodiment, when an abnormality is detected, the contents of the system specified by the supervisor are connected by a line between each element in the system according to their relationship, and each element is colored according to its normality/abnormality. The system diagram for the abnormal state is displayed separately, but as shown in Figure 4, each element is listed in a table format, and each element is colored according to normality/abnormality. It may be displayed separately.

[Effects of the Invention] As explained above, according to the present invention, there is provided an address input device for specifying an arbitrary point on the screen of a screen display device for displaying a monitoring screen, an input process signal and its normal/abnormal distinction. an abnormality information data table that stores the information, an abnormality information system management means that identifies the status of each system of the plant based on the normal/abnormal state of the input process signal, and a summary of the identification results of the abnormality information system management means for each system. display control means for displaying a system abnormality monitoring screen in parallel on the monitoring screen of each part of the plant; The system is equipped with an abnormality information screen data editing means that displays a system status display screen that displays the status of the system that has been detected on the screen display device. Normal/abnormal conditions can be monitored, and the system status display screen for the system where an abnormality has been detected can be immediately displayed by inputting the address of the system abnormality screen, so the content of the abnormality can be determined appropriately and quickly. The effect of this is that it is possible to take appropriate action against the problem.

[Brief explanation of the drawing]

Figure 1 is a plan according to an embodiment of the present invention! Fig. 2(a) and (b) are schematic diagrams showing an example of a display screen, and Fig. 3(a) is a flowchart showing an example of display processing of an operation monitoring screen. b) is a flowchart showing an example of the display process for switching the display color of alarm/failure messages and systems, and (c) is a flowchart showing an example of the display process of the abnormality information screen. It is a schematic diagram showing another example. 4... Plant state judgment means, 5... Abnormal state system management means, 6... Plant data processing means, 7...
Alarm/failure data editing means, 8... Abnormality information data table, 9... Data display control means, 10... Screen address identification means, 11... Address input M! , 12
. . . Display device, 13 . . . Abnormality information screen data editing means. (7317) Agent, patent attorney, close aide Kensuke (88)
69) Ken Daikomaru (Q) (b) Figure 2 Figure 3

Claims (1)

[Claims] A screen of a screen display device that displays a monitoring screen in a plant monitoring device that displays monitoring information for each part of the plant based on various process signals input from the plant, and also detects abnormalities in the input process signals and displays the detection results. An address input device for specifying any point above, an abnormality information data table that stores input process signals and their normal/abnormal status, and a status of each plant system based on the normal/abnormal status of the input process signals. an abnormality information system management means for identifying; a display control means for displaying a system abnormality monitoring screen in which the identification results of the abnormality information system management means are summarized for each system in parallel on the monitoring screens of each part of the plant;
When the system abnormality monitoring screen is specified by the address input device, an abnormality information screen is displayed on the screen display device to display a system status display screen that displays the status of the specified system based on the stored contents of the abnormality information data table. A plant monitoring device characterized by comprising data editing means.