JP2002023843A - Information display device - Google Patents

Abstract

PROBLEM TO BE SOLVED: To solve the problem that information on a monitor screen is masked at the time of displaying a window screen in a conventional information display device. SOLUTION: At the time of displaying a window screen 3 for displaying detailed information of information on a monitor screen 2 for monitoring a plant on which monitor information such as an alarm window 7 for issuing alarm, a process parameter 8 or the like is displayed, the overlap of the window screen 3 is detected according to the coordinates of the window screen 3, the alarm window 7 or the process parameter 8 so that the alarm window 7 or the process parameter 8 can be prevented from being covered with the window screen 3, and the window screen 3 whose overlap is detected is erased, so that the monitor screen 2 can be prevented from being masked.

Description

DETAILED DESCRIPTION OF THE INVENTION

[0001]

BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention relates to an information display device for displaying information on a large-scale plant such as a power plant.

[0002]

2. Description of the Related Art FIG. 1 is a diagram showing a configuration of a conventional information display device. In FIG. 1, 1 is a large screen or CR
An information display device having a first display unit such as T, 2 is a monitoring screen for monitoring a power plant or the like, 3 is a window screen for monitoring detailed information, and constitutes a second display window. 4
Is a pointer for controlling the request, movement, size change, etc. of the window screen 3, 5 is a computer for collecting plant information and driving the display screen, 6 is an input device such as a mouse or trackball for controlling the pointer 4. It is.
Reference numeral 7 denotes an alarm window which is displayed on the monitoring screen 2 and sends an alarm.
Construct a first display window. Reference numeral 8 denotes a process parameter displayed on the monitoring screen 2, which constitutes a first display window.

Next, the operation will be described. Monitoring screen 2
, The monitoring information of the plant such as the alarm window 7 and the process parameter 8 is displayed. For large-scale plants such as power plants, the information of the entire plant is displayed in a more consolidated manner.
The alarm window 7 collects a plurality of alarm messages, and the process parameters 8 are displayed as digital values. The window screen 3 is a screen for temporarily displaying detailed information that supplements the information on the monitoring screen 2. For example, when the pointer 4 is moved by the input device 6 and the alarm window 7 is clicked, the window screen 3 is displayed as a pop-up, and the alarm messages corresponding to the alarm window 7 can be confirmed one by one. When the process parameter 8 is clicked with the pointer 4, the window screen 3 is displayed in a pop-up, and the trend screen of the process parameter 8 can be confirmed. When the monitoring is completed, the window screen 3 is erased by the pointer 4. Thus, particularly when a large-scale plant is to be monitored, the monitoring screen 2 and the window screen 3
And monitor the overall information and detailed information efficiently.

[0004]

Since the conventional information display device is configured as described above, there is a problem that when the window screen 3 is displayed, the information on the monitoring screen 2 is masked. In particular, when information on the entire plant is displayed on the monitoring screen 2, a part of the entire monitoring information is lost, and the problem is serious.

SUMMARY OF THE INVENTION The present invention has been made to solve the above-described problem, and detects a change in information on a monitoring screen in the background of a window screen, and detects the change.
An object of the present invention is to provide an information display device capable of avoiding the adverse effects of masking.

[0006]

In an information display apparatus according to the present invention, a first display window for displaying monitoring information and a second display window for displaying information supplementing monitoring information are displayed on a monitoring screen. A first display unit configured to display on the first display unit, the first display unit, the second display window overlaps the first display window and the second display window overlaps the first display When a change occurs in the monitoring information of the window, the second display window is deleted. Also, a first display unit configured to display a first display window for displaying monitoring information and a second display window for displaying information supplementing the monitoring information on a monitoring screen, One display unit is configured such that when the second display window overlaps the first display window and the monitoring information of the first display window where the second display window overlaps changes, the second display window Is moved so as not to overlap the first display window in which the monitoring information fluctuates. Further, a first display window for displaying the monitoring information and a second display window for displaying information supplementing the monitoring information are configured to be displayed on the monitoring screen, and are divided into a plurality of sections. A first display including a first display unit, wherein the first display unit is a first display in which the second display window overlaps the second display window on the first display window in any of the plurality of sections. When a change occurs in the monitoring information of the window, the second display window is moved to a section having no first display window in which the monitoring information has changed.

A first display unit configured to display on a monitor screen a first display window for displaying monitor information and a second display window for displaying information supplementing the monitor information. The first display unit includes a second display window on the first display window and a second display window when the monitoring information of the first display window overlaps with the second display window, the second display window changes. The display color of the display window is changed. Furthermore, a first display unit configured to display a first display window for displaying monitoring information and a second display window for displaying information supplementing the monitoring information on a monitoring screen, One display unit displays a message on the monitoring screen when the monitoring information of the first display window in which the second display window overlaps the first display window and the second display window overlaps is changed. Is displayed.

[0008] An input device for controlling the second display window is provided, and the second display window overlapping the first display window in which the monitoring information fluctuates is moved by the input device. . In addition, a first display window for displaying monitoring information and a second display window for displaying information supplementing the monitoring information are displayed on the monitoring screen, and a first display unit including a plurality of layers is provided. The first display unit is configured to monitor when a change occurs in monitoring information of the first display window where the second display window overlaps the first display window and the second display window overlaps. The first display window in which the information has changed is configured to be displayed on the foreground layer.

Further, a plurality of second display windows are displayed, and when the plurality of second display windows overlap the first display window in which the monitoring information fluctuates, the plurality of overlapping display windows are displayed. The second display window is deleted. Further, a return button is provided for returning the erased second display window to its original state.

In addition, when a plurality of second display windows are displayed and the plurality of second display windows overlap the first display window in which the monitoring information fluctuates, and the section is moved, This is displayed superimposed on the destination block. in addition,
A plurality of second display windows are displayed, and a plurality of second display windows are overlapped on the first display window in which the monitoring information has changed, and when the section is moved, a plurality of destination windows are moved. This is assigned to the section and displayed.

[0011] Also, there is provided a second display unit connected to the first display unit via a network, and the second display unit is configured to display the erased second display window. Things. A second display unit connected to the first display unit via a network, wherein the second display unit includes a plurality of second display windows at any time displayed on the first display unit; Are displayed at the same time.
Further, the second display window displayed on the second display unit is configured to return to the first display unit.

[0012]

DESCRIPTION OF THE PREFERRED EMBODIMENTS Embodiment 1 The configuration of the first embodiment is the same as the configuration of FIG.
This will be described with reference to FIG. FIG. 2 is a flowchart illustrating a determination process of the information display device according to the first embodiment of the present invention. In the first embodiment, when the information on the monitoring screen 2 on the background of the window screen 3 fluctuates, for example, when the alarm window 7 issues an alarm, or when the value of the process parameter 8 changes (for each process parameter) Are set in advance, and it is determined whether or not the value of the process parameter is within the set value. If the set value is exceeded, it is considered that the value has changed.) At that time, the four corners of the window screen 3 are determined. Get the coordinate information of. Then, a comparison is made with the coordinates of the alarm window 7 and the process parameters 8 to determine whether or not it is the background of the window screen 3. If it is the background, the window screen 3 is automatically erased.

Next, the determination process of the information display device according to the first embodiment will be described with reference to the flowchart of FIG. First, in step S1, when the alarm window 7 issues an alarm or when the value of the process parameter 8 fluctuates,
In step S2, the coordinates of the four corners of the window screen 3 are obtained. Next, in step S3, the coordinates of the window screen 3 are compared with the coordinates of the alarm window 7 and the process parameters 8, and if they are overlapped in step S4, step S5
Deletes the overlapping window screen 3. If they do not overlap in step S4, it is checked in step S6 if there is any other change in the transmission information or value. If there is any change, the process returns to step S1.

Thus, the background of the window screen 3 is
Even if there is the alarm window 7 or the process parameter 8, it is possible to prevent the fluctuation from being overlooked.

Embodiment 2 FIG. 3 is a diagram showing a correspondence table between window screens and display sections of the information display device according to the second embodiment of the present invention. In FIG.
Are the same as those in. FIG. 4 is a diagram showing a correspondence table between display sections such as alarm windows and sections of the information display device according to the second embodiment of the present invention. FIG. 5 is a diagram showing a list of sections of the information display device according to the second embodiment of the present invention and the presence or absence of changed information. FIG. 6 is a flowchart showing processing of the information display device according to the second embodiment of the present invention.

In the first embodiment, the case has been described where each time the information on the monitoring screen 2 in the background of the window changes, it is determined whether or not there is a window screen 3 on that screen. 2 is to divide the monitoring screen 2 into several sections and determine whether or not there is any new change in information for each section. FIG. 3 shows the monitoring screen 2
An example of division is shown, and a database of a correspondence table indicating which section is displayed for each window screen 3 is created. In addition, a correspondence table with information such as an alarm window displayed for each section is made into a database as shown in FIG. When a change occurs on the display screen, a search is made from the database of FIG. 4 as to which section the information is displayed on, and a list indicating which section has the change information is created as shown in FIG. Then, it is determined whether or not there is a window screen 3 in that section by using the table of FIG. 3. If the window screen 3 is in that section, the window screen 3 is placed in another section where the information does not change. To move.

Next, the determination process will be described with reference to the flowchart of FIG. First, in step S11, when the alarm window 7 issues an alarm,
Is changed in step S12, a search is made from the database shown in FIG. 4 to determine in which section the alarm is issued and the value is changed, and a list as shown in FIG. 5 is created. Check for outgoing alarms and value changes. Next, in step S13, it is compared using the information in FIGS. 3 and 5 whether or not there is a window screen 3 in the section where the transmission alarm or the value changes. In step S14, window screen 3
If there is a section with an outgoing alarm or a value change that overlaps with the window screen 3, the window screen 3 is moved to a section without an outgoing alarm or a value change in step S15, and there is no section that overlaps the window screen 3 in step S14. If step S1
Move on without processing of 6.

As a result, it is possible to prevent a situation in which the information on the background of the window screen 3 fluctuates from being overlooked, and to continuously monitor the information on the window screen 3 being displayed.

Embodiment 3 FIG. 7 is a flowchart illustrating a determination process of the information display device according to the third embodiment of the present invention. In the first embodiment, the case where the window screen is automatically erased has been described.
When the background information fluctuates, the operator is notified by changing the display of the window, for example, by blinking the frame in red. Then, when the operator moves the window screen using the input device, and the background information is in a position where the background information is not hidden, the display of the window screen is returned to the original state, such as stopping the display of the frame red and blinking.

Next, the processing of the information display device according to the third embodiment will be described with reference to the flowchart of FIG. Steps S1 to S4 and step S6 correspond to FIG.
Performs the same operation as that described in. In step S21, the position of the window is changed by the operator, and the result is reflected in step S2. Step S22
When the alarm window and the window screen overlap in step S4, the overlapping window frame is displayed in red.

Thus, it is possible to select whether to give priority to monitoring the front window screen or to give priority to monitoring background information, based on the judgment of the operator.

Embodiment 4 FIG. 8 is a diagram showing a message display example of the information display device according to the fourth embodiment of the present invention. 8, 1 to 3 are the same as those in FIG. 9 is a message displayed on the monitoring screen 2. FIG. 9 is a flowchart showing processing of the information display device according to the fourth embodiment of the present invention.

In the third embodiment, the case where the display of the window screen is changed when the background information fluctuates has been described. However, in the fourth embodiment, when the background information fluctuates, the monitoring screen is changed. 2. A message is displayed on the display 2 to notify the operator. FIG. 8 shows an example of a message display screen. The processing flow is the same as that shown in FIG.
If it is the same as the flowchart shown in FIG. 9 or the window screen overlaps with the alarm window as shown in FIG. 9, a message "Caution for masking" is displayed in step S23. When the operator moves the window screen 3 with the input device and the background information is at a position where the background information is not hidden,
Delete the message.

Thus, the fact that the background information has fluctuated can be directly communicated to the operator by a message. According to the judgment of the operator, the monitoring of the front window screen 3 is given priority, or the information in the background is displayed. You can choose whether to give priority to monitoring

Embodiment 5 FIG. FIG. 10 is a diagram showing a structure of a display layer of the information display device according to the fifth embodiment of the present invention. 10, 2, 3, 7, and 8 are the same as those in FIG. Reference numeral 10 denotes a layer constituting the screen. The lowermost layer 10-1 and the lower layer 10-1
It is composed of a layer 10-2 higher than 0-1 and a top layer 10-3.

In the first embodiment, the case where the window screen is automatically erased has been described.
When the background information fluctuates, the fluctuating information is displayed in front of the window screen, and the same effect as in the first embodiment can be obtained. On the monitoring screen 2, the alarm window 7, the process parameter 8, and the window screen 3 are displayed separately in layers 10. Normally, the alarm window 7 and the process parameters 8 are assigned to the lowermost layer 1
0-1 and the window screen 3 is displayed on a higher layer 10-2. In the fifth embodiment, an upper layer 10-3 is further provided, and the transmitted alarm window 7 and process parameter 8 are changed to this layer 10-3 and displayed on the foreground.

Thus, it is possible to confirm the details of the change in the background information without moving / erasing the window.

Embodiment 6 FIG. FIG. 11 is a flowchart showing processing of the information display device according to the sixth embodiment of the present invention. In the first embodiment, the processing when the displayed window screen is a single is described. However, in the sixth embodiment,
This is for a case where a plurality of window screens are displayed. In the sixth embodiment, the number of window screens being displayed is constantly monitored, and when a change occurs in the background information, it is determined whether or not each window screen is located above the changed information. Clear only the top window screen. Unlike the first embodiment, the comparison with the coordinates of the alarm window is repeatedly performed for the number of displayed windows.

Next, the determination process of the information display device according to the sixth embodiment will be described with reference to FIG. Step S1
S7 is the same process as that in FIG. 2, but in step S2, the number of windows being displayed and the coordinate information of each are acquired, and steps S3 to S5 are repeated by the number of windows.

This makes it possible to prevent a change in background information from being overlooked even when a plurality of window screens are being displayed.

Embodiment 7 FIG. 12 is a diagram showing a configuration of an information display device according to Embodiment 7 of the present invention. 12, reference numerals 1 to 8 are the same as those in FIG. A return button 11 restores the deleted window screen 3 to its original state. In the sixth embodiment, a case has been described in which a window is automatically deleted when a plurality of windows are displayed. However, in the seventh embodiment, the deleted window screen 3 is returned to the original state. It was done. In the flowchart of FIG. 11, when the window screen 3 is deleted, processing for recording the display contents and the display position of the window screen 3 is added. When the return button 11 for returning the window screen 3 to the original state is depressed based on this information, all the window screens 3 are returned to the original state.

Thus, even if the background information changes and the window screen is deleted while the information is being monitored on the plurality of window screens, the plurality of window screens are kept in one.
It is possible to return by an action and continue monitoring before erasing the window.

Embodiment 8 FIG. FIG. 13 is a diagram showing a correspondence table between window screens and sections of the information display device according to the eighth embodiment of the present invention. FIG. 14 is a diagram showing a screen after moving the window of the information display device according to the eighth embodiment of the present invention. 13 and 14, 1 to 3 are the same as those in FIG. 3, and 3-1 and 3-2 show individual window screens.

In the second embodiment, a case has been described in which, when the information in the background of a single window screen fluctuates, the screen moves to a section in which the information does not fluctuate. , For multiple window screens,
The same processing is performed. When there are the window screens 3-1 and 3-2 as shown in FIG. 13, the window screens 3-1 and 3-2 are moved to the section 1 as shown in FIG.
-2 are collectively displayed. However, in order to fit a plurality of window screens in one section, the positions of the windows are slightly changed and displayed in an overlapping manner.

Thus, even when a plurality of windows are displayed, a change in information in the background can be recognized while the windows are kept.

Embodiment 9 FIG. 15 is a diagram showing a window display example of the information display device according to the ninth embodiment of the present invention. In FIG. 15, reference numerals 1 to 3 and 7 are the same as those in FIG. Reference numerals 3-1 and 3-2 denote individual window screens. In the eighth embodiment, when information in the background fluctuates, a plurality of window screens are displayed in a superimposed manner while changing the position of the window little by little, so that a plurality of window screens are displayed in one section where the information does not fluctuate. Although the case where the window screen is moved has been described, in the ninth embodiment, when there are a plurality of sections in which the information does not change, a plurality of window screens are assigned to each section as shown in FIG. It is intended to be. In this case, when the number of window screens is larger than the number of sections in which information does not change, by overlapping windows as in Embodiment 8, the number of sections in which information does not change is reduced. To fit.

As a result, it is possible to minimize the possibility that the display contents of the overlapping windows cannot be monitored.

Embodiment 10 FIG. FIG. 16 is a diagram showing a system configuration of the information display device according to the tenth embodiment of the present invention. In FIG. 16, reference numerals 1 to 8 are the same as those in FIG. Reference numeral 12 denotes a computer connected to the computer 5 via the network equipment 13, and reference numeral 14 denotes an auxiliary information display device connected to the computer 12 and having a second display unit. Reference numeral 15 denotes a redisplayed window screen. In the first to ninth embodiments, the case where only the information display device 1 is used has been described. In the tenth embodiment, an auxiliary information display device 14 that complements the information display device 1 is provided. The information display device 14 is driven by the computer 12. Calculator 1
The computer 2 and the computer 5 are connected via the network equipment 13 and are configured to be able to transmit information on the history of the window displayed on the monitoring screen 2. In the first embodiment, when the information in the background fluctuates, the window screen 3 is deleted. However, the same window screen 15 can be displayed again by the auxiliary information display device 14 instead.

Thus, the monitoring of the detailed information on the window screen and the monitoring of the background information can be performed in parallel.

Embodiment 11 FIG. FIG. 17 is a diagram showing a screen example of the information display device according to the eleventh embodiment of the present invention. 17, reference numerals 1 to 8 and 12 to 14 are the same as those in FIG. In the tenth embodiment, the case has been described where the auxiliary information display device 14 is provided, and the window screen 3 in which the information in the background has changed is deleted from the information display device 1 and simultaneously displayed again on the auxiliary information display device 14. In the eleventh embodiment, the function of constantly monitoring the history of displaying the window screens by the computer 12 and displaying a list of a plurality of window screens recently monitored at any time on the auxiliary information display device 14 is added. are doing.

Thus, even when the window screen 3 is automatically erased, the monitoring of the window screen can be continued by the auxiliary information display device and the display history of the window screen can also be known as in the tenth embodiment. it can.

Embodiment 12 FIG. FIG. 18 is a diagram showing a window return display function of the information display device according to Embodiment 12 of the present invention. In FIG. 18, 1 to 8, 12 to
14 is the same as that in FIG. Each window screen of the auxiliary information display device 14
It is configured to be able to return to. In the eleventh embodiment, a case has been described in which a list of window screens recently monitored by the auxiliary information display device 14 is displayed.
2 further selects an arbitrary window screen from the auxiliary information display device 14 and causes the information display device 1 to redisplay it.

In the eleventh embodiment, it is necessary to perform monitoring using both the information display device 1 and the auxiliary information display device 14. In the twelfth embodiment, after redisplay, monitoring is performed using only the information display device 1. can do.

[0044]

Since the present invention is configured as described above, it has the following effects. A first display unit configured to display a first display window for displaying monitoring information and a second display window for displaying information supplementing the monitoring information on a monitoring screen. The display unit erases the second display window when the second display window overlaps the first display window and the monitoring information of the first display window where the second display window overlaps changes. The information in the first display window can be prevented from being overlooked. Also, a first display unit configured to display a first display window for displaying monitoring information and a second display window for displaying information supplementing the monitoring information on a monitoring screen, One display unit is configured such that when the second display window overlaps the first display window and the monitoring information of the first display window where the second display window overlaps changes, the second display window Is moved so as not to overlap with the first display window in which the monitoring information fluctuates, so as not to overlook the information of the first display window, Information can also be monitored.

Further, a first display window for displaying the monitoring information and a second display window for displaying information supplementing the monitoring information are configured to be displayed on the monitoring screen. The first display unit includes a divided first display unit, and the first display unit is a second display window in which the second display window overlaps the second display window on the first display window in any of the plurality of sections. When the monitoring information of one display window fluctuates, the second display window is moved to a section without the first display window where the monitoring information fluctuates. The information in the second display window can be monitored while the information in the second display window is not overlooked. Also, a first display unit configured to display a first display window for displaying monitoring information and a second display window for displaying information supplementing the monitoring information on a monitoring screen, One display unit is configured such that when the second display window overlaps the first display window and the monitoring information of the first display window where the second display window overlaps changes, the second display window Is configured to change the display color of, it is possible to notify the presence of the first display window that is issuing the alarm.

Further, a first display unit configured to display a first display window for displaying monitoring information and a second display window for displaying information supplementing the monitoring information on the monitoring screen is provided. The first display unit includes a second display window on the first display window and a monitor screen when a change occurs in monitoring information of the first display window on which the second display window overlaps. Since it is configured to display the message above, it is possible to notify the presence of the first display window that is issuing the alarm. Also,
With an input device that controls the second display window, the second display window overlapping the first display window where the monitoring information has changed,
Since the information is moved by the input device, the information in the first display window can be prevented from being overlooked.

Further, a first display window for displaying monitoring information and a second display window for displaying information supplementing the monitoring information are displayed on the monitoring screen, and the first display window includes a plurality of layers. The first display unit, when the second display window overlaps the first display window and the monitoring information of the first display window in which the second display window overlaps, a change occurs. Is configured to display the first display window in which the monitoring information has changed on the foreground layer, so that the information in the first display window can be prevented from being overlooked. Furthermore, a plurality of second display windows are displayed, and when the plurality of second display windows overlap on the first display window in which the monitoring information has changed, the plurality of second display windows overlap. Since the display window is deleted, even if a plurality of second display windows are displayed, information on the first display window can be prevented from being overlooked.

Further, since a return button for returning the erased second display window to the original state is provided, the second display window can be returned to the original state. Also, the second display window,
A plurality of display windows are displayed, and a plurality of second display windows are superimposed on the first display window in which the monitoring information fluctuates. When the section is moved, the display is superimposed on the destination section. Even when a plurality of second display windows are displayed, information on the first display window can be prevented from being overlooked.

In addition, when a plurality of second display windows are displayed and the plurality of second display windows overlap the first display window in which the monitoring information fluctuates, the second display window is moved. Is assigned to a plurality of destination blocks and displayed, so that even when a plurality of second display windows are displayed, information on the first display window can be prevented from being overlooked, The display window can also be monitored. In addition, a second display unit connected to the first display unit via a network is provided, and the second display unit is configured to display the deleted second display window. Monitoring can be performed in parallel by the first display unit and the second display unit.

The apparatus further includes a second display unit connected to the first display unit via a network, and the second display unit includes a plurality of second display units at arbitrary times displayed on the first display unit. Is configured to simultaneously display the display windows, so that the first display unit and the second display unit can monitor in parallel and can know the display history of the second display window. . Further, since the second display window displayed on the second display unit is configured to be returned to the first display unit, the second display window may be returned to the first display unit. Can be.

[Brief description of the drawings]

FIG. 1 is a diagram showing a configuration of an information display device according to a conventional and a first embodiment.

FIG. 2 is a flowchart showing a determination process of the information display device according to the first embodiment of the present invention.

FIG. 3 is a diagram showing a correspondence table between a window screen and a display section of the information display device according to the second embodiment of the present invention.

FIG. 4 is a diagram showing a correspondence table between display sections such as alarm windows and sections of an information display device according to a second embodiment of the present invention.

FIG. 5 is a diagram showing a section of an information display device according to a second embodiment of the present invention and a list of the presence or absence of changed information.

FIG. 6 is a flowchart showing processing of the information display device according to the second embodiment of the present invention.

FIG. 7 is a flowchart illustrating a determination process of the information display device according to the third embodiment of the present invention.

FIG. 8 is a diagram showing a message display example of the information display device according to the fourth embodiment of the present invention.

FIG. 9 is a flowchart showing a process of the information display device according to the fourth embodiment of the present invention.

FIG. 10 is a diagram showing a structure of a display layer of an information display device according to a fifth embodiment of the present invention.

FIG. 11 is a flowchart showing a process of the information display device according to the sixth embodiment of the present invention.

FIG. 12 is a diagram showing a configuration of an information display device according to a seventh embodiment of the present invention.

FIG. 13 is a diagram showing a correspondence table between window screens and sections of the information display device according to the eighth embodiment of the present invention.

FIG. 14 is a diagram showing a screen after moving a window of the information display device according to the eighth embodiment of the present invention.

FIG. 15 is a diagram showing a window display example of the information display device according to the ninth embodiment of the present invention.

FIG. 16 is a diagram showing a system configuration of an information display device according to a tenth embodiment of the present invention.

FIG. 17 is a diagram showing a screen example of the information display device according to the eleventh embodiment of the present invention.

FIG. 18 is a diagram showing a window return display function of the information display device according to the twelfth embodiment of the present invention.

[Explanation of symbols]

1 information display device, 2 monitoring screen, 3,15 window screen, 4 pointer, 5,12 computer, 6 input device, 7 alarm window, 8 process parameter, 9 message, 10 layer, 11 return button, 13 network equipment, 14 Auxiliary information display.

 ────────────────────────────────────────────────── ─── Continued on the front page F term (reference) 5B069 AA18 CA04 CA05 CA16 5E501 AC02 AC32 BA02 BA03 EA05 EA10 EB17 FA03 FA06 FA22 FA42 FB02 FB22 FB28 FB30 5H223 AA02 CC08 DD03 EE06 EE08 EE30 FF03

Claims (14)

[Claims] 1. An information display device for displaying a monitoring screen for monitoring a plant, comprising: a first display window for displaying monitoring information; and a second display window for displaying information supplementing the monitoring information. A first display unit configured to be displayed on a monitoring screen, wherein the first display unit overlaps the second display window on the first display window and the second display window An information display device configured to delete the second display window when a change occurs in the monitoring information of the first display window on which is overlapped. 2. An information display device for displaying a monitoring screen for monitoring a plant, comprising: a first display window for displaying monitoring information; and a second display window for displaying information supplementing the monitoring information. A first display unit configured to be displayed on a monitoring screen, wherein the first display unit overlaps the second display window on the first display window and the second display window When a change occurs in the monitoring information of the first display window that overlaps, the second display window is configured to move so as not to overlap the first display window in which the monitoring information has changed. An information display device, comprising: 3. An information display device for displaying a monitoring screen for monitoring a plant, comprising: a first display window for displaying monitoring information; and a second display window for displaying information supplementing the monitoring information. Along with being configured to be displayed on the monitoring screen, it has a first display section divided into a plurality of sections,
The first display unit monitors a first display window in which the second display window overlaps the first display window and the second display window overlaps in any one of the plurality of sections. An information display device, wherein when the information fluctuates, the second display window is moved to a section having no first display window where the monitoring information fluctuates. 4. An information display device for displaying a monitoring screen for monitoring a plant, comprising: a first display window for displaying monitoring information; and a second display window for displaying information supplementing the monitoring information. A first display unit configured to be displayed on a monitoring screen, wherein the first display unit overlaps the second display window on the first display window and the second display window An information display device configured to change a display color of the second display window when a change occurs in monitoring information of the first display window on which the information overlaps. 5. An information display device for displaying a monitoring screen for monitoring a plant, comprising: a first display window for displaying monitoring information; and a second display window for displaying information supplementing the monitoring information. A first display unit configured to be displayed on a monitoring screen, wherein the first display unit overlaps the second display window on the first display window and the second display window An information display device configured to display a message on the monitoring screen when a change occurs in the monitoring information of the first display window on which the information overlaps. 6. An input device for controlling a second display window, wherein a second display window overlapping the first display window in which the monitoring information fluctuates is moved by the input device. The information display device according to claim 4 or 5, wherein 7. An information display device for displaying a monitoring screen for monitoring a plant, comprising: a first display window for displaying monitoring information; and a second display window for displaying information supplementing the monitoring information. Displayed on the monitoring screen, and provided with a first display unit composed of a plurality of layers, the first display unit, the second display window overlaps the first display window and the second display window When a change occurs in the monitoring information of the first display window where the two display windows overlap, the first display window having the change in the monitoring information is displayed on the foreground layer. An information display device, characterized in that: 8. A plurality of second display windows are displayed, and when the plurality of second display windows are overlapped on the first display window in which the monitoring information fluctuates, the plurality of overlapping display windows are displayed. The information display device according to claim 1, wherein the second display window is deleted. 9. The apparatus according to claim 1, further comprising a return button for returning the erased second display window to its original state.
Or the information display device according to claim 8. 10. When a plurality of second display windows are displayed, and the plurality of second display windows overlap the first display window in which the monitoring information has changed, and the section is moved, The information display device according to claim 3, wherein the information display device is displayed so as to be superimposed on the destination section. 11. A plurality of second display windows are displayed, and when the plurality of second display windows are overlapped on the first display window in which the monitoring information fluctuates, and the section is moved, 4. The information display device according to claim 3, wherein the information is displayed by being assigned to a plurality of destination blocks. And a second display unit connected to the first display unit via a network, wherein the second display unit comprises:
9. The information display device according to claim 1, wherein the information display device is configured to display the erased second display window. And a second display unit connected to the first display unit via a network, wherein the second display unit comprises:
The information according to any one of claims 1 to 12, wherein a plurality of second display windows at any time displayed on the first display unit are simultaneously displayed. Display device. 14. The information display device according to claim 13, wherein the second display window displayed on the second display unit is configured to return to the first display unit.