JPH076012A - Plant monitor device - Google Patents

Abstract

PURPOSE:To display a window, which can be operated in current operation mode, in an easy-to-understand state. CONSTITUTION:A mode decision means decides the operation mode set by an operation mode switching setting means, a security mode decision means 6 decides security modes by windows displayed on a display device 2, and a possible/impossible operation discrimination display processing means discriminates and displays whether or not each window displayed on the display device 2 can be operated in the operation mode decided by the security mode decision means 6 on the basis of the decision result of the security mode decision means 6 by the windows displayed on the display device 2. Consequently, an operator easily judges whether or not each window of the multiwindow display on the display device 2 can be operated in the current operation mode, window by window.

Description

Detailed Description of the Invention

[0001]

BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention relates to a plant monitoring device having a multi-window display function.

[0002]

2. Description of the Related Art Conventionally, in a plant monitoring device in which a multi-window display of a plant monitoring screen is performed on a CRT display device to perform plant monitoring, a window in which a mouse pointer exists or a key operation is designated to activate. Only the open window (hereinafter referred to as the focus window) can be used for touch operation and other input operations.

[0003]

However, such a conventional plant monitoring apparatus has the following problems. In other words, a security function was added to the plant monitoring device that displays multiple windows, and operation modes such as operation prohibition mode, operator mode for normal operation, administrator mode, and maintenance mode were switched using the security key. In this case, it is necessary for the operator to easily judge whether it is possible or not to operate in the operation mode set by the security key on a window-by-window basis, but in the past, only the focus window could be operated. There is a problem that the operator cannot easily determine which window can be operated in the operation mode.

The present invention has been made in view of the above conventional problems, and provides a plant monitoring apparatus in which an operator can easily determine which window can be operated in the current operation mode. The purpose is to do.

[0005]

According to the invention of claim 1, in a plant monitoring apparatus having a plurality of operation mode switching setting means for security and a display device capable of displaying a Mathil window, operation mode switching setting means. Mode determining means for determining the current operation mode set by, the security mode determining means for determining the security mode for each window displayed by the display device, and the security mode determining means for each window displayed by the display device. An operation enable / disable identification display processing means is provided for performing an identification display of an operable window or an inoperable window in the current operation mode determined by the operation mode determination means based on the determination result.

According to a second aspect of the present invention, in the plant monitoring apparatus according to the first aspect, the operable / inoperable identification display processing means performs the inoperable / inoperable identification display by changing the color of the window frame of each window. is there.

In the plant monitoring apparatus according to the third aspect of the present invention, the operable / inoperable identification display processing means displays the inoperable / inoperable state on the icon attached to each window.

[0008]

In the plant monitoring apparatus according to the first aspect of the present invention, the current operation mode set by the operation mode switching setting means is discriminated by the mode discriminating means,
In addition, the security mode determining means determines the security mode for each window displayed by the display device,
The operable / inoperable identification display processing means identifies and displays an operable window or an inoperable window in the current operation mode determined by the operation mode determination means based on the determination result of the security mode determination means for each window displayed by the display device. Do. As a result, the operator can easily determine whether each window of the multi-window displayed on the display device can be operated in the current operation mode.

According to another aspect of the plant monitoring apparatus of the present invention,
Whether each window can be operated in the current operation mode is identified by the color of the window frame.

According to another aspect of the plant monitoring apparatus of the present invention,
Whether or not the operation can be performed in the current operation mode is identified by displaying an icon attached to each window.

[0011]

Embodiments of the present invention will now be described in detail with reference to the drawings. FIG. 2 shows a hardware configuration of a plant monitoring apparatus of a common embodiment of the inventions of claims 1 and 2,
A desktop keyboard 1 is provided as an input means, and a CRT display device 2 is provided for displaying a monitor screen.
The keyboard 1 is provided with a security key 3 for switching the operation mode for security.

The security key 3 can be switched among four modes, for example, an operation prohibition mode, an operator mode, an administrator mode, and a maintenance mode, and corresponds to the security mode as follows.

(1) Operation prohibition ... Operation prohibition mode (2) Level 1 ... Operator mode (3) Level 2 ... Administrator mode (level 1 can be operated) (4) Level 3 ... Maintenance mode (levels 1 and 2 can also be operated) The operation prohibition in (1) above is a mode in which operation is prohibited when the plant side is at rest, and in level 2 operator mode in (2). Is a mode that regulates the level at which an operator can operate in normal operation, and the level 2 administrator mode in (3) is used when there is no responsible administrator.
Alternatively, it is a mode that defines a more serious operation level that the administrator himself needs to operate, and (4) Level 3 maintenance mode is used when a professional engineer changes or tests the system for maintenance. It is a mode to be used for, and it is possible to perform operations belonging to lower levels from higher mode, but it is impossible to perform operations belonging to higher levels from lower mode. It ensures security.

The plant monitoring apparatus having the above hardware configuration has the functions shown in FIG. 1 as software. That is, an input unit 4 as a man-machine input interface including a touch screen (not shown), a mouse (not shown), a keyboard 1, and the like, and a key position determination unit 5 for determining the key position of the security key 3. A security mode determination unit 6 for determining which one of the security modes the input unit 4 gives a display command to, and a security mode table for storing a target table of which security mode each window belongs to. Equipped with 7.

Further, with respect to the window to which the display command is given, the display for performing the display control is displayed by changing the color of the window frame to indicate whether the window is operable or not in accordance with the security mode determined by the security mode determination unit 6. The display device 2 includes a control unit 8 and a display data storage unit 9 that stores identification display data for each window that can be operated and cannot be operated. The display device 2 displays the window for which a display command is given. 8 has a function of displaying a multi-window in a mode designated by 8.

Next, the operation of the plant monitoring device having the above configuration will be described.

FIG. 3 shows a flowchart of the color change display processing in which the operation is not possible, which is performed when a display command for any window is input. , For example window W
When the display command of 1 is input from the input unit 4, the security mode determination unit 6 determines the security mode for the designated window W1 by referring to the security mode table 7 (steps S1 and S2). The security mode determination unit 6 also reads the current operation mode determined by the key position determination unit 5 from the position of the security key 3 (step S3).

Subsequently, the security mode judging section 6
The security mode of the specified window W1 is made to correspond to the current operation mode, and it is determined whether or not the operation of the window W1 is possible in the current operation mode (step S4).

If it is determined that the window W1 can be operated, the display controller 8 reads the display data of the window W1 when the window W1 is operable from the display data storage 9 and supplies it to the display device 2.
The display data for displaying the window frame of the window W1 in a color indicating that it is operable, for example, green, is created (step S
5) This is displayed on the display device 2 in the multi-window format (step S7).

On the other hand, when it is determined that the operation is impossible in the determination of the operation inability in step S4, the display control unit 8 reads the display data of the window W1 when the operation is not possible from the display data storage unit 9 and displays it. The display data is given to the device 2 to display the window frame of the window W1 in a color indicating that the window cannot be operated, for example, red (step S6),
This is displayed on the display device 10 in a multi-window format (step S7).

FIG. 4 shows an example of the multi-window display. In the multi-window display of the windows W1 to W3 on the display device 10, the window W1 and the window W3 are shown to be operable, and the window W is displayed.
For No. 2, it is indicated that a display indicating that operation is impossible is made.

In this way, for each window for which a display command has been input by the input unit 4, it is determined whether or not operation is possible in the current operation mode specified by the security key 3 for switching the operation mode, and operation is enabled. By displaying the window frame in green for windows that are inoperable and in red for windows that cannot be operated, it is possible to identify which windows are inoperable so that the operator can easily determine which window can be operated. Of.

The present invention is not limited to the above-described embodiment. For example, as shown in FIG. 5, in a multi-window display, an operable window and an inoperable window in the current operation mode are respectively set. You may make it identify by the display of the icon provided in the window. That is, the icon 1 indicating that the windows W1 and W3 are operable
1 may be displayed and the window W2 may be identified by not displaying such an icon.

In the case of identifying whether the operation is possible or not by changing the color of the window frame, the color is not limited to that of the embodiment. Further, instead of changing the color of the window frame, it is possible to change the background color of each window, and change the display color such that the operable window is colored and the inoperable window is achromatic. .

[0025]

As described above, according to the invention of claim 1,
The current operation mode is determined, the security mode for each window of the multi-window displayed by the display device is determined, and whether or not the operation in the current operation mode is possible is determined for each window. Since it is arranged to display the operation-prohibited identification for each window, the operator can judge whether the operation can be performed in the current operation mode by looking at the operation-prohibited identification of each window displayed in each multi-window. Can be easily performed for each window, and it becomes possible to perform precise operation on an operable window.

According to the second aspect of the present invention, whether or not the window can be operated in the current operation mode is identified by the color of the window frame for each window. You will be able to identify.

According to the third aspect of the present invention, whether or not the operation can be performed in the current operation mode is identified by the display of the icon attached to each window. To be able to identify.

[Brief description of drawings]

FIG. 1 is a functional block diagram of a common embodiment of the inventions of claims 1 and 2. FIG.

FIG. 2 is a perspective view showing a hardware configuration of the above embodiment.

FIG. 3 is a flowchart showing the operation of the above embodiment.

FIG. 4 is an explanatory diagram showing a multi-window display mode of the above embodiment.

FIG. 5 is an explanatory view showing a multi-window display mode according to a common embodiment of the inventions of claims 1 and 3.

[Explanation of symbols]

 2 display device 3 security key 4 input unit 5 key position determination unit 6 security mode determination unit 7 security mode table 8 display control unit 9 display data storage unit

Claims (3)

[Claims] 1. A plant monitoring apparatus comprising a plurality of operation mode switching setting means for security and a display device capable of displaying a Mathil window, wherein a current operation mode set by the operation mode switching setting means is set. Mode determining means for determining, a security mode determining means for determining a security mode for each window displayed by the display device, and for each window displayed by the display device, the operation based on the determination result of the security mode determining means A plant monitoring apparatus comprising: an operable / inoperable identification display processing means for displaying an operable window or an inoperable window in the current operation mode determined by the mode determining means. 2. The plant monitoring apparatus according to claim 1, wherein the operable / inoperable identification display processing unit displays inoperable / inoperable identification by changing the color of the window frame of each window. 3. The plant monitoring apparatus according to claim 1, wherein the operable / inoperable identification display processing unit displays inoperable / inoperable on an icon attached to each window.