JP4192431B2 - Monitoring screen display device - Google Patents

Description

[0001]
BACKGROUND OF THE INVENTION
The present invention relates to a monitor screen display device provided with a plurality of screens.
[0002]
[Prior art]
There is an integrated production control system as a distributed control system for controlling a large-scale plant.
The distributed control system has a configuration in which an operation monitoring station and a control station are connected to a control system network, the control station is in charge of plant control, and the operation monitoring station is in charge of operation and monitoring of the plant. A plurality of control stations are distributed in the plant according to the scale of the plant to be controlled.
The operation monitoring station includes a monitoring screen display device that displays a screen necessary for operating and monitoring the plant. In the integrated production control system, since there are many monitoring targets, there is a display device that has two screens.
[0003]
FIG. 8 is a diagram showing a configuration example of a conventional display device in which two screens are stacked.
As shown in FIG. 8, display devices 2 and 3 are stacked in a cabinet 1 in two stages. This display device has a fixed screen resolution, window size, etc., and is not versatile.
[0004]
FIG. 9 is a schematic diagram showing a screen configuration of the display device of FIG.
In FIG. 9, the upper screen 10 and the lower screen 20 have the same screen configuration. The upper screen 10 is a main monitor and the lower screen 20 is a sub monitor.
The upper screen 10 includes a system message window 11, an upper full size window 12, and a data input area 13.
[0005]
The system message window 11 displays process alarm messages, system alarm messages, and operation guide messages. This window is always displayed for performing the operation monitoring function, and immediately notifies the operator of an abnormality in the process or system. The system message window 11 is created as a window having the attribute of the up bar window.
Upbar window attributes have the following characteristics:
(1) Stick to somewhere on the four sides (upper side, lower side, left side, right side) of the screen.
(2) Always displayed in front.
(3) Other windows do not cover the display area.
[0006]
The full size window 12 is a maximized window that covers the desktop. The full-size window of the operation monitoring station also has a role of not showing the desktop to the operator for security. For this reason, the window is created with a window that cannot be minimized.
[0007]
The data input area 13 is a command input area for sending commands to the operation monitoring station. The data input area 13 is created by a window having the attribute of the up bar window.
The desktop refers to all areas other than windows with the upbar window attribute. In FIG. 9, the full size window 12 is the same size as the desktop.
The lower screen 20 has a similar screen configuration.
[0008]
However, the conventional example shown in FIGS. 8 and 9 has the following problems.
(A) The full-size windows on the upper and lower screens cannot be resized.
(B) The data input area 13 of the upper screen 10 exists only in form in order to make the screen configuration the same as that of the lower screen, and has no function. Commands cannot be entered in the data input area 13 of the upper screen 10.
[0009]
[Problems to be solved by the invention]
The present invention has been made to solve the above-described problems, and in the monitoring screen display device provided in the operation monitoring station of the distributed control system, when the work area of the main monitor screen is resized, In conjunction with this, by resizing the work area of the secondary monitor screen to be the same as the work area size of the main monitor screen, the screen configuration of the primary monitor screen and the secondary monitor screen can be unified, and the operability is improved. An object of the present invention is to realize a monitoring screen display device that can provide a good environment.
[0010]
[Means for Solving the Problems]
The present invention is a monitor screen display device configured as follows.
[0012]
(1) A monitoring screen display device provided in an operation monitoring station of a distributed control system , wherein a main monitor screen display device and a sub monitor screen display device are provided separately. Resizing means for changing the size of the work area that is always a full-size window on the desktop of the monitor screen, and when the work area of the main monitor screen is resized, the sub monitor screen desktop A monitoring screen display device comprising: equalizing means for resizing a work area that is always a full size window so as to be the same as the work area size of the main monitor screen.
[0013]
(2) The monitor screen display according to (1) , wherein a task bar area for displaying a task bar is provided in the desktop area of the main monitor screen, and a desktop area for displaying an icon is provided in the sub-monitor screen. apparatus.
[0014]
(3) The monitor screen display device according to (2), wherein an icon for starting a document editor is arranged in the desktop area of the sub-monitor screen .
[0015]
(4) provided on the operation monitoring station of a distributed control system, wherein the desktop area of the sub-monitor screen according to claim (2), wherein the icon to start the functions other than the operation monitoring function is arranged Monitor screen display device.
[0016]
DETAILED DESCRIPTION OF THE INVENTION
Hereinafter, the present invention will be described in detail with reference to the drawings. FIG. 1 is a block diagram showing an embodiment of the present invention. The apparatus shown in FIG. 1 is provided in an operation monitoring station. The operation monitoring unit 10 performs processing for operation monitoring. The display means 11, 12, and 13 display a monitor screen displayed on the operation monitoring station. The display unit 11 displays the main monitor screen 14, and the display units 12 and 13 provided separately from the display unit 11 display the sub monitor screens 15 and 16. The window management means 17 manages the monitor screen displayed on the display means 11, 12, 13. A window is displayed on the monitor screen.
[0017]
The storage means 18 stores data necessary for operation monitoring, windows managed by the window management means 17, and the like.
The size changing means 19 changes the size of the work area on the main monitor screen.
When the work area of the main monitor screen is resized, the equalization means 20 resizes the work area of the sub monitor screen so that it is the same as the work area size of the main monitor screen.
[0018]
FIG. 2 is an explanatory diagram showing how to change the size of the work area on the monitor screen.
In FIG. 2, the work area corresponds to a full-size window portion.
When the size A of the full-size window on the main monitor screen 30 is changed, the size B1 and B2 of the full-size window on the sub-monitor screens 31 and 32 are linked with this so that they are the same as the main monitor screen. It will be resized.
The main monitor screen 30 includes a system message window for displaying various messages, a full size window corresponding to a work area, and a task bar area for displaying a task bar.
The sub monitor screens 31 and 32 include a system message window, a full size window, and a desktop area for displaying icons. In the desktop area, for example, an icon for starting a document editor is arranged.
[0019]
The operation of the apparatus shown in FIG. 1 will be described.
(1) Generation and destruction of operation monitoring panel The window managed by the window management means 17 is set as the operation monitoring panel. The operation monitoring panel displays windows for operation monitoring of the plant, such as a graphic window, a tuning window, and a trend window.
The window management unit 17 is activated when the operation monitoring unit 10 is started up. When started, the window management unit 17 generates a necessary number of operation monitoring panels. When the window management is finished, the generated operation monitoring panel is discarded.
[0020]
The window management unit 17 requests the size changing unit 19 to notify when the work area size is changed in order to equalize the size of the full size window between the monitors. The size changing means 19 notifies the window management means 17 of the size change when changing the work area size of the main monitor screen. When the window management unit 17 receives the size change notification, the window management unit 17 causes the equalization unit 20 to change the size of the sub-monitor screen.
The size changing unit 19 operates under the control of the OS (operating system) of the operation monitoring unit 10.
[0021]
FIG. 3 is a flowchart showing a procedure for the window management means 17 to generate an operation monitoring panel.
As shown in FIG. 3, the window management means 17 requests the size change means 19 to notify when the work area size is changed. The window management unit 17 generates an operation monitoring panel and registers the generated panel in a management area in the storage unit 18. This process is performed until all panels are generated.
In this case, when the main monitor screen is resized, the window management means 17 is notified of the change, and the sub monitor screen is resized accordingly.
[0022]
FIG. 4 is a flowchart showing a procedure for the window management means 17 to discard the operation monitoring panel.
As shown in FIG. 4, the window management means 17 requests the size changing means 19 not to notify when the work area size is changed. The window management unit 17 discards the operation monitoring panel and deletes the discarded panel from the management area in the storage unit 18. This process is performed until all panels are generated. In this case, the window management unit 17 is not notified even if the size is changed.
[0023]
(2) Equalization of operation monitoring panel size A case where the work area size is changed will be described.
When the window management unit 17 receives a work area size change notification from the size change unit 19, the window management unit 17 transmits a window size change message to the equalization unit 20. The equalization means 20 changes the work area size of the sub-monitor screen for the operation monitoring panel of the full-size window monitored by the window management means 17 so as to be equal to the work area size of the main monitor screen.
As a result, the sub-monitor screen having the full size window becomes the same as the work area size of the main monitor screen, and the size of the work area can be equalized between monitors.
[0024]
FIG. 5 is a flowchart showing a procedure for changing the work area size.
A case where the work area size is changed from the full size window to another size will be described.
When the window management unit 17 receives the work area size change notification from the size change unit 19, the window management unit 17 checks whether each operation monitoring panel is a full-size window.
When the window is a full size window, a message for changing the size of the corresponding panel is notified to the size changing means 19.
[0025]
The size changing means 19 obtains information on the work area of the main monitor screen. Also, information on the work area of the corresponding operation monitoring panel is obtained. Then, the size is changed so that the size of the work area of the corresponding operation monitoring panel becomes equal to the size of the work area of the main monitor screen.
[0026]
FIG. 6 is a view showing a display screen example of the apparatus of FIG.
The main monitor screen 40 and the sub monitor screen 41 have the same work area size. Thereby, as shown in FIG. 6, when the image displayed on the main monitor screen 40 is displayed on the sub monitor screen 41, it can be displayed with the same scaling ratio. That is, the character font and the figure are the same size between monitors.
[0027]
FIG. 7 is a view showing another display screen example of the apparatus of FIG.
As shown in FIG. 7, a task bar area 51 is provided on the main monitor screen 50, and a desktop area 61 is provided on the secondary monitor screen 60. By providing the desktop area 61 on the secondary monitor screen 60, functions other than the operation monitoring function can be opened to the operator. By using the desktop area 61, the operator can perform general operations, and the operability of the operation monitoring station is improved.
For example, icons for daily reports, schedules, utilities, notepads, calculators, and manuals are displayed in the desktop area. The operator can start the program by clicking the icon. When the daily report is clicked, the daily document editor can be started. By placing icons permitted by the operator in the desktop area, an environment with better operability can be provided.
[0030]
【The invention's effect】
According to the present invention, the following effects can be obtained.
[0031]
According to the first aspect of the present invention, in the monitoring screen display device provided in the operation monitoring station of the distributed control system, when the work area of a certain screen is resized, the work area of another screen is linked with this. Resize to be the same as the work area size on the change screen. As a result, the screen configurations of a plurality of screens can be unified, the screen configurations can be unified between the main monitor screen and the sub monitor screen, and an environment with better operability can be provided.
[0033]
According to the second aspect of the present invention, since the desktop area displaying icons on the secondary monitor screen is provided, functions other than the functions on the primary monitor screen can be opened to the operator on the secondary monitor screen.
[0034]
According to the third aspect of the present invention, since an icon for starting the document editor is arranged in the desktop area, the operator can easily check daily reports and the like.
[0035]
According to the fourth aspect of the present invention, since an icon for starting a function other than the operation monitoring function is arranged in the desktop area of the sub monitor screen, the function other than the operation monitoring function can be opened to the operator.
[Brief description of the drawings]
FIG. 1 is a configuration diagram showing an embodiment of the present invention.
FIG. 2 is an explanatory diagram showing how to change the size of a work area.
FIG. 3 is an operation explanatory diagram of the present invention.
FIG. 4 is an operation explanatory diagram of the present invention.
FIG. 5 is an operation explanatory diagram of the present invention.
FIG. 6 is an operation explanatory diagram of the present invention.
FIG. 7 is an operation explanatory diagram of the present invention.
FIG. 8 is a schematic view showing a screen configuration of a conventional display device.
9 is a schematic diagram showing a screen configuration of the display device of FIG. 8;
[Explanation of symbols]
10 Operation monitoring unit 11, 12, 13 Display unit 14, 50 Main monitor screen 15, 16, 60 Sub monitor screen 19 Size changing unit 20 Equalizing unit 51 Task bar area 61 Desktop area

Claims (4)

A monitoring screen display device provided in an operation monitoring station of a distributed control system , wherein a main monitor screen display device and a sub monitor screen display device are provided separately. Resizing means that changes the size of the work area that is always a full-size window on the desktop, and when the work area of the main monitor screen is resized, it is always full on the desktop of the secondary monitor screen. A monitoring screen display device comprising: equalization means for resizing a work area as a size window so as to be the same as a work area size of the main monitor screen. 2. The monitor screen display device according to claim 1, wherein a task bar area for displaying a task bar is provided in a desktop area of the main monitor screen, and a desktop area for displaying an icon is provided in the sub monitor screen. The monitor screen display device according to claim 2, wherein an icon for starting a document editor is arranged in a desktop area of the sub monitor screen. 3. A monitor screen display according to claim 2, wherein an icon for activating a function other than the operation monitoring function is disposed in an operation monitoring station of a distributed control system, and a desktop area of the sub-monitor screen is arranged. apparatus.

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