JPH11119825A - Plant alarm monitoring device - Google Patents

Abstract

PROBLEM TO BE SOLVED: To provide a plant alarm monitoring device that can simply judge an alarm factor of a high degree of urgency and makes it possible to properly execute development on a related screen. SOLUTION: The device inputs the amount of processing regarding to condition of a plant through a plant input processing device 11 and judges at an alarm processing means 12 whether the amount of processing deviates from the predetermined alarm value or not. A display processing means 13 discriminates an alarm system, to which alarm items related to the process amount that deviates from the alarm value belong, from other alarm system and displays it on a display device 14. The alarm system discriminated and displayed on the display device 14 are specified by a driver through an input device 15 and, when it is decided by an interaction input processing means 16 that there is a specification of the alarm system by the driver, a list of the alarm items of alarm condition of the alarm system is outputted from an alarm system classification information part 18 to the display device 15.

Description

DETAILED DESCRIPTION OF THE INVENTION

[0001]

BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention relates to a plant alarm monitoring apparatus for displaying an alarm item in an abnormal state on a display device at the request of an operator when a plant state becomes abnormal, and monitoring the plant. About.

[0002]

2. Description of the Related Art Generally, a plant is provided with a plant alarm monitoring device for notifying an operator of an operation state of the plant. For example, in a power plant, an alarm window is provided in a monitoring control panel, and when an abnormality occurs in the plant, the alarm window is turned on to notify an operator.
Furthermore, with the recent improvement in the reliability of control devices and modernization of the central control room, the number of alarm windows installed on the monitoring and control panel has been reduced.

[0003] In such a plant monitoring apparatus without an alarm window, when the operation state of the plant, the state of the equipment composing the plant, and the state of the control device (plant state) that controls the plant (plant state) become abnormal, a display is displayed. An alarm message is displayed on the alarm screen of the device, and the alarm information is notified to the operator. In this case, the operator checks the content of the alarm that has occurred in the alarm message displayed on the alarm screen, and further relates to the related trend graph screen,
After confirming the detailed information on the group trend screen, the system diagram screen, the alarm guidance screen, and the like, the action to the plant is determined and the corresponding operation is performed.

FIG. 13 is a block diagram of a conventional plant monitoring apparatus. The alarm monitoring processing unit 24 determines whether or not the monitoring information of the plant is an alarm. If the alarm is an alarm, the corresponding alarm window 25 is turned on, the display processing unit 13 is activated, and the display unit 14 is activated. Display an alarm message on the alarm screen. In this case, the alarm screen displayed on the display device 14 displays all alarm items in the alarm state in the order of occurrence. The operator confirms the contents of the alarm based on the alarm message on the alarm screen, and determines how to respond to the plant.

On the other hand, an alarm window image can be displayed on the display device 14 in response to a request from the operator via the input device 15. When there is a display request from the operator via the input device 15, the interactive input processing means 16 is activated and the alarm monitoring processing means 24 is notified of this.
Upon receiving the notification, the alarm monitoring processing means 24 sets the alarm window 2
The corresponding alarm window on the alarm screen is turned on based on the data of No. 5 and displayed on the display device 3.

From the screen of the alarm window image on the display device 14, it is possible to display the alarm factor of each alarm window. That is, when an alarm window is specified from the input device 15 and a warning window for requesting display of an alarm factor is notified to the interactive input processing means 16 at the request of the operator, the alarm monitoring processing means 24
Notifies the display processing means 13 of the corresponding alarm window and its factor, and displays the requested alarm factor of the alarm window on the display device 14. The operator determines a corresponding operation method for the plant from the displayed alarm factor.

[0007]

However, in the alarm monitoring using the alarm message on the alarm screen, when a plurality of alarms are generated at the same time, the alarm messages are displayed on the alarm screen in the order in which they are generated. It is difficult to instantly grasp the urgent alarm factors.

Therefore, as one means for more accurately grasping a plurality of alarm messages, the operator switches to the display of an alarm window image screen and sequentially displays the causes of the lit alarm windows to sequentially display each alarm message. And an alarm window are associated with each other, but the number of operation steps is increased, and the operability is poor.

After confirming the warning message, a screen (trend graph screen, group trend screen, system diagram screen, traffic congestion monitoring screen, warning guidance screen, etc.) necessary for obtaining detailed information may be displayed. In that case,
It is necessary to expand from the main menu, and not only the number of operation steps increases, but also it is necessary to remember where the screen to be displayed is registered in the menu. If the user does not remember where the screen to be displayed is registered in the menu, the number of steps is further increased.

On the other hand, for the purpose of reducing the number of operation steps, it is conceivable to change the registration in the menu in the development of the relevant screen. This is a very labor-intensive task.

SUMMARY OF THE INVENTION It is an object of the present invention to provide a plant alarm monitoring device capable of easily determining an alarm factor having a high degree of urgency and appropriately developing the alarm screen.

[0012]

According to a first aspect of the present invention, there is provided a plant alarm monitoring device for inputting a process amount related to a plant state at a constant scanning cycle, and a plant input processing device. Alarm processing means for monitoring at a constant scanning cycle whether the process amount deviates from a predetermined alarm value, and an alarm system in which predetermined alarm items are classified for each system is displayed on a display device. A display processing means for identifying an alarm system to which an alarm item relating to a process amount deviating from the alarm value belongs to another alarm system and displaying the alarm system on a display device; Dialog input processing means for determining whether or not the alarm system has been designated, and an alarm system is stored, and it is determined that the operator has specified the alarm system by the dialog input processing means. When it is obtained by a warning phylogenetic information unit to be outputted to the display device a list of alarm items of the alarm state of the alarm system.

In the plant alarm monitoring device according to the first aspect of the present invention, a process amount related to a plant state is input via a plant input processing device, and whether or not the process amount deviates from a predetermined alarm value. Is determined by the alarm processing means. The display processing means identifies the alarm system to which the alarm item relating to the process amount deviating from the alarm value belongs from the other alarm systems and displays it on the display device. The alarm system identified and displayed on the display device is specified by the operator via the input device, and when it is determined by the interactive input processing means that the operator has specified the alarm system, the alarm system classification information unit outputs the alarm system. A list of alarm items in the system alarm state is output to the display device.

According to a second aspect of the present invention, there is provided a plant alarm monitoring apparatus, wherein a plant input processing device for inputting a process amount related to a plant state at a constant scanning cycle, and a process amount input from the plant input processing device are predetermined. Alarm processing means for monitoring whether or not the alarm value has deviated at a predetermined scanning cycle, and a process for displaying an alarm system in which predetermined alarm items are classified for each system on a display device and deviating from the alarm value. Display processing means for identifying the alarm system to which the alarm item related to the quantity belongs from other alarm systems and displaying the same on the display device, and whether the alarm system identified and displayed on the display device has been designated by the operator via the input device Dialog input processing means for determining whether or not an alarm system has been designated by the operator when the dialog input processing means determines that the alarm system has been designated; A system deployment menu information processing unit that displays a system deployment menu showing the indices on the display device, and displays the contents of the display screen when the index of the system deployment menu display screen is specified by the operator via the input device. Screen call processing means for outputting to a device.

In the plant alarm monitoring device according to the second aspect of the present invention, a process amount related to a plant state is input via a plant input processing device, and whether the process amount deviates from a predetermined alarm value is determined. Is determined by the alarm processing means. The display processing means identifies the alarm system to which the alarm item relating to the process amount deviating from the alarm value belongs from the other alarm systems and displays it on the display device. When the alarm system identified and displayed on the display device is specified by the operator via the input device, and it is determined by the interactive input processing means that the operator has specified the alarm system, the system development menu information processing unit A system deployment menu showing the indicators of the display screen related to the alarm system is displayed on the display device, and when the index of the display screen of the system deployment menu is designated by the operator via the input device, the screen call processing means The contents of the display screen are output to a display device. Thereby, the display screen is displayed on the display device.

According to a third aspect of the present invention, in the plant alarm monitoring device according to the second aspect of the present invention, when a display screen index of a system development menu is designated in advance by an operator via an input device, the display screen index is displayed. An automatic display flag selection processing unit for registering and storing is provided, and the system development menu information processing unit is registered and stored in the automatic display flag selection processing unit when it is determined by the interactive input processing unit that the alarm system has been designated by the operator. The display screen index is selected and the display screen index is notified to the screen call processing means, and the screen call processing means outputs the contents of the display screen to the display device.

In the plant alarm monitoring device according to the third aspect of the present invention, in addition to the function of the second aspect of the present invention, the operator automatically displays a display screen index in a system development menu automatically displayed in advance via an input device. It is registered and stored in the selection processing unit. When the dialog input processing means determines that the operator has designated the alarm system, the system development menu information processing section selects the display screen index registered and stored in the automatic display flag selection processing section and calls the screen. The display means is notified to the processing means, and the screen call processing means outputs the contents of the display screen to the display device. Thus, the display screen registered and stored in the automatic display flag selection processing unit is automatically displayed on the display device.

According to a fourth aspect of the present invention, in the plant alarm monitoring device according to the second or third aspect of the present invention, the display screen index of the system development menu is additionally changed from the input device via the interactive input processing means. Menu maintenance processing means is provided.

In the plant alarm monitoring apparatus according to the fourth aspect of the present invention, in addition to the function of the second or third aspect of the present invention, the menu maintenance processing means is activated from the input device via the interactive input processing means, and the system is developed. Make additional changes to the menu display screen index. As a result, the operator can easily develop the screen according to the operation state of the plant, and can reduce the number of maintenance steps.

[0020]

Embodiments of the present invention will be described below. FIG. 1 is a block diagram of a plant alarm monitoring device according to a first embodiment of the present invention. This plant alarm monitoring device, when the operating state of the plant, the state of the equipment constituting the plant, and the state of the control device that controls the plant (plant state) becomes abnormal, becomes an abnormal state at the request of the operator. A process value and a state value are displayed on a warning screen as a warning message to notify an operator of a warning state, and are configured as follows.

A plant input processing unit 11 for inputting process values and state values (plant state) relating to the operation state of the plant, the state of the equipment constituting the plant, and the state of the control device for controlling the plant at a constant scanning cycle; The process value and the status value transmitted from the plant input processing device 11 are monitored at regular scanning intervals to determine whether or not the value is abnormal, and when it is determined that the value is abnormal, an alarm to be displayed on the display device 14 Alarm processing means 12 for notifying a message to the display processing means 13, display processing means 13 for displaying an alarm message on the display device 14 in response to the notification from the alarm processing means 12 or a request from the operator, and operation on the display device 14. Input device 15 for inputting the operator's request, and interactive input processing means for notifying the operator's request input via the input device 15 to the alarm processing device 12 6, an alarm information section 17 which stores an alarm value of a predetermined alarm item and an alarm state of an alarm item determined by the alarm processing means 12, and an alarm which classifies the predetermined alarm item for each system. And an alarm system classification information unit 18 which stores the system.

The plant input processing unit 11 keeps a process value and a state value (process amount) related to the operation state of the plant, the state of the equipment constituting the plant, and the state of the control device (plant state) for controlling the plant, constant. It is input in the scanning cycle and is notified to the alarm processing means 12. Alarm processing means 1
2 determines whether or not the data from the plant input processing device 11 is in an alarm state based on the data (alarm value) of the alarm information section 17 and picks up the alarm message information. The alarm processing unit 12 notifies the alarm system classification information unit 18 of the data determined to be in the alarm state.

The alarm system classification information section 18 notifies the alarm processing unit 12 to which alarm system classification the data (alarm item) notified from the alarm processing unit 12 belongs. The display processing unit 13 changes the color of the alarm system in the alarm window image area installed in the top area of the screen of the display device 14 based on the alarm system classification information notified from the alarm processing unit 12.

On the other hand, the dialogue input processing means 16 informs the alarm processing means 12 via the input device 15 that one of the alarm system classifications displayed in the alarm window image area in the top area of the screen has been selected by the operator. Notify. The alarm processing unit 12 displays, on the display device 14, alarm items belonging to the alarm system notified from the alarm system classification information unit 18 among the alarm message information notified from the alarm information unit 17 as a list of system-specific alarm messages. .

FIG. 2 is a flowchart showing the operation of the plant alarm monitoring device according to the first embodiment. A process value and a state value (process amount) related to the operation state of the plant, the state of the equipment constituting the plant, and the state of the control device (plant state) that controls the plant are input to the plant input processing device 11 as monitoring information. You. The alarm processing means 12 determines the presence or absence of an alarm registration for the data from the plant input processing device 11 based on the data from the alarm information section 17 (S1). That is, the display device 14
It is determined whether or not the item is a monitoring target that is to be monitored by displaying an alarm message. When such monitoring is not performed, general monitoring is performed.

On the other hand, if an alarm has been registered,
It is determined from the data (alarm value) from the alarm information unit 17 whether the monitoring information (process amount) is in an alarm state (S2). When the monitoring information (process amount) does not deviate from the alarm value, the monitoring is general monitoring. When the monitoring information (process amount) deviates from the alarm value, the alarm processing unit 12 uses the data from the alarm system classification information unit 18 to calculate the process amount. Input point (point)
Is identified, and the alarm system classification information is notified to the display processing means 13 (S3).

The display processing means 13, as shown in FIG.
Of the alarm systems displayed in the top area of the screen of the display device 14, the alarm system including the alarm item in the alarm state is displayed in a different color (S4). That is, the alarm system to which the alarm item in the alarm state belongs is identified and displayed from other alarm systems. FIG. 3 shows a case where the condensate system is displayed while being distinguished from other alarm systems.

Next, when the operator selects the alarm system displayed in color change by the input device 15 (pointing device), a list is displayed for each alarm system, so that the alarm system displayed in color change by the operator is displayed. It is determined whether or not has been selected (S5). If there is no operator choice,
The list display by alarm system is hidden.

On the other hand, when the alarm system, which is displayed in a different color by the operator, is selected by the input device 15 (pointing device), the interactive input processing means 16 outputs the alarm system information selected via the input device 15. Is notified to the alarm processing means 12. The alarm processing unit 12 extracts the alarm items belonging to the system classification notified from the dialog input processing unit 16 from the alarm system classification information unit 18 and picks up the alarm message information from the information from the alarm information unit 17;
The display processing means 13 is notified (S6).

The display processing means 13, as shown in FIG.
The alarm message information notified from the alarm processing means 12 is displayed on the display device 14 as an alarm list for each system (S7). That is, when the condensate system is selected as the alarm system, a list of alarms for the condensate system is displayed.

In the first embodiment, the display device 14
By displaying the alarm window image classified for each alarm system in the screen top area that is always displayed on the screen of the system, changing the color when the alarm of the system occurs, and selecting the alarm window image The list of the alarm items generated in the alarm system is displayed in one step. Therefore, it is possible to easily determine a more urgent alarm factor.

Next, a second embodiment of the present invention will be described. FIG. 5 is a block configuration diagram of a plant alarm monitoring device according to the second embodiment of the present invention. In the second embodiment, it is determined that an operator's alarm system has been designated by the dialogue input processing means 16 in place of the alarm system classification information unit 18 in the first embodiment shown in FIG. When the operation is performed, a system expansion menu information processing unit 19 for displaying a system expansion menu indicating an index of a display screen related to the alarm system on the display device 14, and an index of the display screen of the system expansion menu is input by an operator using an input device. 15 is provided with a screen call processing means 20 for outputting the contents of the display screen to the display device 14 when designated through the display unit 15 and an associated screen registration unit 21 storing the contents of the display screen of the system development menu. is there.

In FIG. 5, the plant input processing device 11
Inputs a process amount related to the plant state at a constant scanning cycle and notifies the alarm processing unit 12 of the input. Alarm processing means 1
The alarm information unit 17 determines whether or not the data (process amount) from the plant input processing device 11 is in an alarm state.
Is determined based on the data (alarm value) of (1), and the alarm message information is picked up. The alarm processing unit 12 notifies the system development menu information processing unit 19 of the data determined to be in the alarm state.

The system development menu information processing unit 19 notifies the alarm processing unit 12 to which system classification the data notified from the alarm processing unit 12 belongs. The display processing unit 13 changes the color of the alarm system in the alarm window image area displayed on the screen top area of the display device 14 based on the alarm system classification information notified from the alarm processing unit 12. That is, the alarm system including the alarm item in the alarm state is displayed in different colors.

On the other hand, the interactive input processing means 16 notifies the system development menu information processing section 19 via the input device 15 that the operator has selected one of the alarm system classifications in the screen top area. System development menu information processing section 19
Displays the selected system development menu information in the display processing means 1
Notify 3. The display processing means 13 displays the system development menu notified on the display device 14.

Further, the dialog input processing means 16 notifies the screen call processing means 20 via the input device 15 that the operator has selected one of the related screens registered in the system development menu. The screen call processing means 20 picks up the coast information of the selected screen from the related screen registration unit 21 and notifies the display processing means 13. The display processing means 13 displays the notified screen on the display device 14.

FIG. 6 is a flowchart showing the operation of the plant alarm monitoring device according to the second embodiment. The process amount related to the plant state is input to the plant input processing device 11 as monitoring information. Alarm processing means 12
Then, for the data from the plant input processing device 11,
The presence or absence of the alarm registration is determined based on the data from the alarm information section 17 (S1). That is, it is determined whether or not the monitoring item is a monitoring target to be monitored by displaying an alarm message on the display device 14. When such monitoring is not performed, general monitoring is performed.

On the other hand, if an alarm has been registered,
It is determined from the data (alarm value) from the alarm information unit 17 whether the monitoring information (process amount) is in an alarm state (S2). When the monitoring information (process amount) does not deviate from the alarm value, the general monitoring is performed. When the monitoring information (process amount) deviates from the alarm value, the alarm processing unit 12 outputs the process amount based on the data from the system development menu information processing unit 19. Is identified, and the alarm system classification information is notified to the display processing means 13 (S3).

The display processing means 13 changes the color of the alarm system including the alarm item in the alarm state among the alarm systems displayed in the top area of the screen of the display device 14 (S
4). That is, the alarm system to which the alarm item in the alarm state belongs is identified and displayed from other alarm systems.

Here, when the operator selects the alarm system displayed in color change by the input device 15 (pointing device), a system expansion menu is displayed. Therefore, the top area of the screen in which the operator displays the color change is displayed. It is determined whether or not the alarm system is selected by the input device 15 (S
8). If there is no selection by the operator, the system deployment menu display is hidden.

On the other hand, when the operator selects the alarm system displayed in a different color by the input device 15 (pointing device), the interactive input processing means 16 outputs the alarm system information selected via the input device 15. To the system development menu information processing unit 19. The system development menu information processing unit 19 notifies the system processing menu information of the system classification notified from the dialogue input processing unit 16 to the display processing unit 13 (S9).

The display processing means 13, as shown in FIG.
The system development menu notified from the alarm processing means 12 is displayed on the display device 14 (S10). The system development menu is a list of display screen indices for designating a screen for displaying details of the alarm system. FIG.
Shows a system development menu of the condensate system, and shows a case where the condensate system alarm list is selected by the operator.

When the operator selects a screen registered from the system development menu by the input device 15 (S11),
The dialogue input processing unit 16 notifies the screen call processing unit 20 of the selected screen via the input device 15. The screen call processing means 20 notifies the display processing means 13 of the screen information picked up by the related screen registration unit 21 (S12). The display processing means 13 displays a list of related screens notified from the screen call processing means 20 on the display device 14 (S13).

In the second embodiment, the display device 14
The alarm window image classified for each alarm system is displayed in the screen top area that is always displayed on the screen, and the color change display is performed when an alarm of the alarm system occurs. By displaying the system deployment menu, it is possible to easily determine the cause of the alarm and easily deploy it to the related screen.

Next, a third embodiment of the present invention will be described. FIG. 8 is a block configuration diagram of a plant alarm monitoring device according to the third embodiment of the present invention. This third embodiment is different from the second embodiment shown in FIG. 5 in that when a display screen index of a system development menu is designated in advance by the operator via the input device 15, the display screen index is displayed. Is added and provided.

In this case, the system development menu information processing section 1
9, when the dialogue input processing means 16 determines that the alarm system has been designated by the operator, the display screen index registered and stored in the automatic display flag selection processing section 22 is selected and transmitted to the screen call processing means 20. The display screen index is notified, and the screen call processing means 20 reads out the content of the display screen from the related screen registration unit 21 and outputs it to the display device 14.

In FIG. 8, the plant input processing device 11
Inputs a process amount related to the plant state at a constant scanning cycle and notifies the alarm processing unit 12 of the input. Alarm processing means 1
Reference numeral 2 determines whether or not data (process amount) from the plant input processing device 11 is in an alarm state based on an alarm value of the alarm information section 17 and picks up alarm message information. The alarm processing unit 12 notifies the system development menu information processing unit 19 of the data determined to be in the alarm state.

The system development menu information processing unit 19 notifies the alarm processing unit 12 to which alarm system classification the data notified from the alarm processing unit 12 belongs. The display processing unit 13 changes the color of the alarm system in the alarm window image area displayed on the screen top area of the display device 14 based on the alarm system classification information notified from the alarm processing unit 12.

When the system development menu information processing section 19 receives a notification of data in an alarm state from the alarm information section 17, if the system development menu to which the data belongs has a screen on which the automatic display flag is selected, Then, the information is notified to the screen call processing means 20. Screen call processing means 2
“0” retrieves the information of the notified screen from the related screen registration unit 21 and notifies the display processing unit 13. The display processing means 13 displays the notified information on the display device 14.

Here, the operator selects in advance a screen desired to be automatically displayed from a system development menu on the display device 14. That is, the selected screen information is stored in the input device 15 in advance.
To the automatic display flag selection processing unit 22 by the interactive input processing means 16 via The automatic display flag selection processing unit 22 that has received the notification notifies the system development menu information processing unit 19 of the selected screen, whereby the system development menu information processing unit 19 updates the automatic display flag selection items. In this case, it is assumed that only one automatic display flag selection item can be selected for each alarm system, and when a change notification of the selection item is received, the screen which has been selected so far is deselected.

FIG. 9 is a flowchart showing the operation of the plant alarm monitoring device according to the third embodiment. The process amount related to the plant state is input to the plant input processing device 11 as monitoring information. Alarm processing means 12
Then, for the data from the plant input processing device 11,
The presence or absence of the alarm registration is determined based on the data from the alarm information section 17 (S1). That is, it is determined whether or not the monitoring item is a monitoring target to be monitored by displaying an alarm message on the display device 14. When such monitoring is not performed, general monitoring is performed.

On the other hand, if an alarm has been registered,
It is determined from the data (alarm value) from the alarm information unit 17 whether the monitoring information (process amount) is in an alarm state (S2). When the monitoring information (process amount) does not deviate from the alarm value, the monitoring is performed in a general manner. Is identified, and the alarm system classification information is notified to the display processing means 13 (S3).

The display processing means 13 changes the color of the alarm system including the alarm item in the alarm state among the alarm systems displayed in the top area of the screen of the display device 14 (S).
4). That is, the alarm system to which the alarm item in the alarm state belongs is identified and displayed from other alarm systems.

The system development menu information processing section 19
Checks whether the automatic display flag is selected in the system development menu to which the alarm system belongs (S14), and if there is a selected screen, notifies the screen call processing means 20 of the selection information (S14). S15). The screen call processing means 20 picks up the information of the selected screen that has been notified from the related screen registration unit 21 and notifies the display processing means 13 (S1).
2). The display processing means 13 displays the notified screen on the display device 14 (S13).

FIG. 10 is an example of a screen showing an automatic display flag when an alarm is generated in the alarm system for which the automatic display flag is selected, and a method of selecting an automatic display flag in a system development menu. This is the case of the condensate system, and the condensate system diagram 1
Has been selected in advance.

In the third embodiment, an automatic display flag selection function for preliminarily selecting a screen to be automatically displayed when an alarm is generated is provided in the system development menu in the second embodiment. Enables automatic deployment to related screens when they occur.

Next, a fourth embodiment of the present invention will be described. FIG. 11 is a block diagram of a plant alarm monitoring apparatus according to a fourth embodiment of the present invention. This fourth embodiment is different from the second embodiment shown in FIG. 5 in that a menu for adding and changing the display screen index of the system development menu from the input device 15 via the interactive input processing means 16 is provided. The maintenance processing means 23 is additionally provided.

In FIG. 11, the plant input processing device 1
1 inputs a process amount related to the state of the plant at a constant scanning cycle and notifies the alarm processing unit 12 of the input. The alarm processing unit 12 determines whether or not the data from the plant input processing device 11 is in an alarm state based on the data of the alarm information unit 17 and picks up the alarm message information.

The alarm processing means 12 notifies the system development menu information processing section 19 of the data determined to be in the alarm state. The system development menu information processing unit 19 notifies the alarm processing unit 12 to which system classification the data notified from the alarm processing unit 12 belongs. Display processing means 13
Displays the color of the alarm system in the alarm window image area displayed in the top area of the screen of the display device 14 based on the alarm system classification information notified from the alarm processing means.

On the other hand, the interactive input processing means 16 notifies the system development menu information processing section 19 via the input device 15 that the operator has selected one of the alarm system classifications in the screen top area. System development menu information processing section 19
Displays the selected system development menu information in the display processing means 1
Notify 3. The display processing means 13 displays the system development menu notified on the display device 14.

Further, the dialogue input processing means 16 notifies the screen call processing means 20 via the input device 15 that the operator has selected one of the related screens registered in the system development menu. The screen call processing means 20 retrieves information on the selected screen from the related screen registration unit 21 and notifies the display processing means 13. The display processing means 13 displays the notified screen on the display device 14.

On the other hand, as shown in FIG. 12, a registration icon 24 for additionally changing the registered contents of the menu is provided on the system development menu, and when the operator selects this registration icon 26, an interactive input is performed. The processing unit 16 notifies the menu maintenance processing unit 23 that the operator has selected the registration icon 26.

The menu maintenance processing means 23 notifies the display processing means 13 of the screen registration menu information. The display processing means 13 displays the notified screen registration menu 27 on the display device 14. The operator selects a screen to be newly registered from the screen registration menu 27. The selected item is input to the interactive input processing means 1 via the input device 15.
6 to the menu maintenance processing means 23. The menu maintenance processing unit 23 notifies the system development menu information unit 19 of the registration screen information. The system development menu information section 19 adds the screen notified to the menu.

FIG. 12 shows an operation of displaying the screen registration menu 27 from the system development menu and adding the registration screen to the system development menu.

In the fourth embodiment, the screen registration menu 27 for maintaining the registration of the development screen to be registered in the system development menu in the second embodiment is displayed, so that the related screen when an alarm is generated can be displayed. It has flexibility in deployment and enables reduction of maintenance man-hours.

[0066]

As described above, according to the first aspect of the present invention, the operator can set the alarm window image classified for each alarm system in the screen top area constantly displayed on the screen of the display device. As described above, the system of the generated alarm can be instantaneously confirmed by the color change display when the alarm is generated. Then, by selecting the alarm window image, it is possible to display a list of the generated alarm items of the alarm system in one step, and it is possible to easily determine the alarm factor of higher urgency.

According to the second aspect of the present invention, the operator can set the color at the time of occurrence of an alarm on the alarm window image classified for each alarm system in the screen top area which is always displayed on the screen of the display device. The system of the generated alarm can be confirmed instantly by the replacement display. In addition, by displaying a system development menu for developing a related screen of the alarm system from the alarm window image, it is possible to easily determine the cause of the alarm and easily develop the screen on the related screen.

According to the third aspect of the present invention, the operator can set the color at the time of alarm generation on the alarm window image classified for each alarm system in the screen top area constantly displayed on the screen of the display device. The alarm display can be instantaneously confirmed by the replacement display. Then, by selecting an automatic display flag on a system development menu for performing screen development from the alarm window image, a related screen can be automatically displayed.

Further, since this automatic display flag can arbitrarily select one item from among the screens registered in the menu, it is possible to monitor the plant in accordance with the operation status.

According to the fourth aspect of the present invention, the operator can set the color at the time of the occurrence of the alarm on the alarm window image classified for each alarm system in the screen top area constantly displayed on the screen of the display device. The alarm display can be instantaneously confirmed by the replacement display. Further, by assigning a maintenance function of the registered contents to a system development menu for performing screen development from the alarm window image, it is possible to reduce the number of man-hours during menu maintenance.

[Brief description of the drawings]

FIG. 1 is a block configuration diagram of a plant alarm monitoring device according to a first embodiment of the present invention.

FIG. 2 is a flowchart showing the operation of the plant alarm monitoring device according to the first embodiment of the present invention.

FIG. 3 is an explanatory diagram of a screen displaying an alarm system in an alarm window image area displayed on the display device according to the first embodiment of the present invention.

FIG. 4 is an explanatory diagram of a screen when a system-specific alarm list is displayed on the display device according to the first embodiment of the present invention.

FIG. 5 is a block configuration diagram of a plant alarm monitoring device according to a second embodiment of the present invention.

FIG. 6 is a flowchart showing the operation of the plant alarm monitoring device according to the second embodiment of the present invention.

FIG. 7 is an explanatory diagram of a case where a system development menu is displayed and a related screen is displayed on the display device according to the second embodiment of the present invention.

FIG. 8 is a block diagram of a plant alarm monitoring device according to a third embodiment of the present invention.

FIG. 9 is a flowchart showing the operation of the plant alarm monitoring device according to the third embodiment of the present invention.

FIG. 10 is an explanatory diagram of a case where a related screen of an alarm system is automatically displayed on a display device according to a third embodiment of the present invention.

FIG. 11 is a block diagram of a plant alarm monitoring device according to a fourth embodiment of the present invention.

FIG. 12 is a screen example according to the fourth embodiment.

FIG. 13 is a block diagram showing a conventional example.

[Explanation of symbols]

 REFERENCE SIGNS LIST 11 plant input processing device 12 alarm processing means 13 display processing means 14 display device 15 input device 16 interactive input processing means 17 alarm information section 18 alarm system classification information section 19 system development menu information processing section 20 screen call processing section 21 related screen registration Unit 22 automatic display flag selection processing unit 23 menu maintenance processing means 24 alarm monitoring processing means 25 alarm window 26 registration icon 27 screen registration menu

Claims (4)

[Claims] 1. A plant input processing device for inputting a process amount related to a plant state at a constant scanning cycle, and whether a process amount input from the plant input processing device deviates from a predetermined alarm value. Alarm processing means for monitoring at predetermined scanning intervals, an alarm system which classifies predetermined alarm items for each system on a display device, and an alarm to which an alarm item relating to a process amount deviating from the alarm value belongs. Display processing means for distinguishing a system from another alarm system and displaying the same on a display device, and interactive input processing for determining whether the alarm system identified and displayed on the display device has been designated by an operator via an input device Means for storing the alarm system, and when it is determined by the dialogue input processing means that the operator has specified the alarm system, an alarm item of the alarm state of the alarm system And a warning system classification information section for outputting a list of the warnings to a display device. 2. A plant input processing device for inputting a process amount related to a plant state at a constant scanning period, and whether or not a process amount input from the plant input processing device deviates from a predetermined alarm value. Alarm processing means for monitoring at predetermined scanning intervals, an alarm system which classifies predetermined alarm items for each system on a display device, and an alarm to which an alarm item relating to a process amount deviating from the alarm value belongs. Display processing means for distinguishing a system from another alarm system and displaying the same on a display device, and interactive input processing for determining whether the alarm system identified and displayed on the display device has been designated by an operator via an input device Means, and a system expansion menu showing an index on a display screen related to the alarm system when it is determined by the dialogue input processing means that an alarm system has been designated by the operator. And a screen for outputting the contents of the display screen to the display device when an index of the display screen of the system development menu is designated by the operator via the input device. A plant alarm monitoring device comprising a call processing means. 3. The automatic display flag selection processing unit according to claim 2, further comprising, when an operator specifies a display screen index of the system deployment menu in advance via an input device, registers and stores the display screen index. The system development menu information processing unit selects a display screen index registered and stored in the automatic display flag selection processing unit when it is determined by the dialogue input processing unit that the operator has designated an alarm system. Wherein the screen call processing means notifies the screen call processing means of the display screen index, and the screen call processing means outputs the contents of the display screen to a display device. 4. The system according to claim 2, further comprising a menu maintenance processing means for performing an additional change of a display screen index of the system development menu from the input device via the interactive input processing means. A plant alarm monitoring device characterized by the above-mentioned.