JPH01229308A - Method for displaying instrument monitoring and controlling screen - Google Patents

Abstract

PURPOSE:To reduce loss in the processing time of a host computer by synthesizing and displaying animation information in a basic moving picture layer, which data of designation term inputted from the host computer designates with the basic picture of a basic picture layer. CONSTITUTION:A CRT display 6 down-loads a part of or whole term table data base 5 on the side of the host computer 4, which is linked with a basic picture data base 9. Animation information in the basic animation layer, which data of both designation terms inputted from the computer 4 designates, is synthesized with the basic picture in the basic picture layer and displayed. Thus, the computer 4 and the display 6 share the same data base, and loss in the processing time of the computer 4 at the time of screen display is reduced.

Description

DETAILED DESCRIPTION OF THE INVENTION [Field of Industrial Application] The present invention relates to a power system diagram in an instrumentation monitoring and control system for building management facilities, traffic monitoring facilities, and the like.

The present invention relates to a method for displaying an instrumentation monitoring and control screen that displays an instrumentation monitoring and control screen such as a road system diagram.

[Conventional technology]

Conventionally, in an instrumentation monitoring and control system such as the one shown in FIG.
) calls the necessary data from the database (2), and based on these data, a desired power system diagram as shown in FIG. 5 is displayed on the CRT (3) in a semi-graphical manner.

By the way, in the power system diagram shown in FIG. 5, depending on the status of various devices such as transformers and circuit breakers.

When changing the display attributes of a device symbol, that is, when changing the display color of the device symbol and changing the two figures by flickering, the host computer (1) displays the target device symbol on the screen of the CRT (3). After the coordinates are calculated, a predetermined program is executed to change the display attributes of the equipment symbol having the calculated coordinates, and the display attributes of the desired equipment symbol are changed.

At this time, the database (2) stored in the host computer (1) contains, for example, as shown in FIG. , the information necessary for display is registered.

[Problems to be Solved by the Invention] However, in this case, the host computer (1) performs all controls related to display attributes, including a series of controls related to changes in display attributes, and all other controls related to screen display. ) There is a problem that the processing items of the computer (1) become very large, and the time that the host computers (1) are occupied with screen display processing becomes long.

In addition, if one display terminal also has data that cannot be displayed on the screen, the duplicate data must be re-entered between the host computer (1) and the other terminal, and the time required to re-enter the data is reduced. host computer (1
) will take a long time.

Therefore, the present invention has been made with the above points in mind.

Part or all of the database required for screen display.

The data is downloaded from the host computer to the display terminal, and the same database is shared between the host computer and the display terminal, eliminating the need to re-enter duplicate data as in the past. The aim is to reduce processing time loss.

[Failure to solve the problem]

Next, means for achieving the above object will be explained using FIGS. 1 and 2, which correspond to embodiments.

That is, in the present invention, information constituting an instrumentation monitoring and control screen such as a power system diagram is divided into a basic layer (A) consisting of basic image information without changes in display attributes such as equipment symbols and lines.

A plurality of basic video layers (Bl) to (Bn) consisting of video information for each device symbol of the basic layer (A) classified by display processing mode, and both designation items of device number item 1 function identification code item , and a device information layer for search (C) consisting of display items such as a device name, a string of letters and numbers, and a basic image database (9) in a three-layer format,
n1] A basic drawing database (9) is provided on the CRT display (6) side as a display terminal, and an item table database (5) which is another database necessary for display in addition to the basic drawing database (9) is provided on the host computer. (4
) side and when displaying, the item table database (5)
A part or all of the above is downloaded to the CRT display (6) and linked with the basic image database (9), and the basic moving image layer specified by the data of both specified items input from the host computer (4) is downloaded. (Bl
) to (Bn) are combined and displayed on the basic image of the basic layer (A).

[For production]

Therefore, according to the invention, the host computer (4
) side item table database (5) is partially or completely CR
It is downloaded to the T-display (6), linked with the basic drawing database (9), and then transferred to the host computer (4).
) The moving image information of the basic moving image layer specified by the data of the above-mentioned two specified items inputted from is displayed after being combined with the basic image of the basic layer (A).

Host computer (4) and CRT display (6)
Since all hosts share the same database, the re-input of data as in the conventional method can be omitted, and the loss of processing time of the host computer (4) during screen display is reduced.

In addition, due to equipment changes, etc., the host computer (4)
Even if there is a change in the information in the database downloaded from the host computer p (4)
Since the CRT display (6) and the CRT display (6) share the same database, the database on the host computer (4) side can be easily changed by uploading change information from the CRT display (6) to the host computer (4). .

〔Example〕

Next, the present invention will be explained in detail with reference to FIGS. 1 and 2 showing one embodiment thereof.

Figure 1 shows the schematic configuration of the instrumentation monitoring and control system.
4) is the host computer, (5) is the item table database, which is another database necessary for displaying the instrumentation monitoring and control screen viewed on the host computer (4) side.
6) is a CRT display as a display terminal, and C
RT (7), the terminal side CPU (8), the basic design database (9) in which information necessary for displaying the instrumentation monitoring and control screen is registered, and some or all of the information downloaded from the host computer (4). It also includes an item list database α0.

By the way, as shown in FIG. 2, the basic image database (9) includes a basic image layer (A) and a plurality of basic moving image layers (Bl).

(B2), ・, (Bn), device information layer (C)
(7) Necessary information is registered and formed in an 8-layer format, and each of these layers (A
), (Bl) to (Bn).

The registration procedure for (C) will be explained below.

First, to explain the registration of basic image information to the basic layer (A), it is necessary to register fixed image elements such as lines and arrows connecting equipment symbols of various devices in the power system diagram and other fixed image elements whose display attributes do not change. Select the device symbols to be registered from the device symbol file μ, which is a database of device symbols normally used in the configuration of and register the basic drawing as the basic layer (A).
Register.

At this time, each device symbol in the basic layer (A) is 1
, since the display attributes do not change, it is treated as a fixed image element.

Next, when registering video information for each device symbol in the basic layer (A) described above in the basic video layers (B1) to (Bn), display of display color change, flicker, symbol change, etc. of each device symbol is required. The video information is classified by processing mode, and the classified video information for each of the display processing modes is registered in a predetermined basic video layer.

Furthermore, for each device symbol registered in the basic layer (A) as the device information layer (C), the device symbol, a string of characters and numbers to represent response data from the device of the device symbol, and the device symbol. Register display items such as the device name, the status name representing the ON, OFF, etc. status of the device in the device, the measurement value representing the rated value or measured value of the device, and the unit. In addition to these, both designation items are registered: a function identification code item for a header indicating processing of display attributes of the device symbol, and a device number item provided for each function identification code.

On the other hand, the item list database (5) contains, as before,
Information necessary for screen display is registered for each item such as device number 9 device name, coordinates, display color, and presence or absence of flicker for various devices.

It is assumed that a database of JIS level 1 or level 2 kanji sets required for one-screen display is prepared on the CRT display (6) side.

Next, the operation when actually displaying the power system diagram on the CRT (7) will be explained using the flowchart in Figure 8.As shown in Figure 3, first, when the system starts up, the host computer Part or all of the item table database (5) is downloaded from (4) to the CRT display (6), and the downloaded data is rearranged according to a predetermined format.
Display (6) as item table database QQ,
It resides together with the basic drawing database (9), and the same database is shared between the host computer (4) and the CRT display (6).

Then, as shown in Figure 3, a CRT display (6
) is operated, CPTJ (8
), it is determined whether the key requests the display of the power system diagram on the screen, and if the result of the determination is negative (NO), the process moves to other processing, and if the result of the determination is affirmative (YES), C
The P U (8) analyzes the screen to be displayed on the CRT (7), and the host computer (4) performs management in order to display the screen from the CPU (8) to the host computer (4). A screen display request command is issued to request the status of the device to be displayed, a request is made to the host computer (4) for data such as the device status necessary for screen display, and based on this request, the host computer (4)
4) collects the ON/OFF status of each device and measurement data.

Next, while the host computer (4) is collecting data, the CPU (8)
As a result, the basic image registered in the basic layer (A) of the basic image database (9) is displayed on the CRT (7).

When data etc. are returned from the host computer (4), the CPU (s) is sent from the host computer (4).
A response command to the screen display request command is issued, and based on each parameter of the response command, which is reply data from the host computer (4), the CPU (s) downloads the basic video M (Bri~) from the basic drawing database (9). (Bn)
Necessary moving image information is selected from among them, and the selected moving image information is synthesized and displayed on the basic image displayed on the CRT (7).

Furthermore, there are changes in the status of each device, measurement data, etc. U (8)
If there is a change in status on the screen being displayed on the CRT (7), video information based on the parameters of the status change notification command is selected and combined with the basic image, display processing of status change data is performed, and the CRT (7) If it is unrelated to the screen being displayed in (7), the data of the status change notification command is ignored, and the series of processing in response to the operator's screen display request ends.

By the way, the response command issued by the host computer (4) includes, in addition to the command number for command identification, a function identification code that is a header that indicates processing of display attributes, and the equipment number of each device that is a component of each screen. and the device number and 1 of each device for which display processing was instructed using the function identification code.
It includes a display color indicating the processing content of the display attribute, display mode designation data such as presence or absence of flicker, presence or absence of display exclusion, and a data section consisting of the status of each device and the content of the measurement data itself.

Therefore, the basic video layer (B1
) to (Bn), and the CPU (s) synthesizes the selected video information with the basic image of the basic layer (A) and displays it on the CRT (
7) will be displayed.

Furthermore, when the screen is displayed on the CRT (7) by the CPU (s), the basic drawing database (9) is linked with the above-mentioned database of kanji sets, etc., and predetermined characters, numbers, etc. are displayed on the power system diagram. will be added and displayed.

In addition, due to equipment changes, etc., the host computer (4)
When a change occurs in the information in the database that has been downloaded, as described above, since the host computer (4) and CRT display (6) share the same database, the changed information is transferred from the CRT display (6) to the host computer ( 4), the database on the host computer (4) side can be easily changed.

Therefore, according to the embodiment, part or all of the item table database (5) on the host computer (4) side is downloaded to the CRT display (6), so that the host computer (4) and the CRT display (6
) will share the same database, eliminating the need to re-enter data as in the past and improving system reliability. Time loss can be significantly reduced.

In addition, due to equipment changes, etc., the host computer (4)
Even if there is a change in the information in the database downloaded from the host computer (4) and C.
Since the RT display (6) and the RT display (6) share the same database, the database on the host computer (4) side can be easily changed by uploading change information to the CRT display (6) and host computer (4). can.

In the above embodiment, a case has been described in which a power system diagram is displayed as an instrumentation monitoring and control screen, but the present invention is not limited to this, and a case where another instrumentation monitoring and control screen such as a road system diagram in a traffic monitoring facility is displayed. However, the present invention can be implemented in the same manner.

〔Effect of the invention〕

Since the present invention is configured as described above, it produces the effects described below.

Because part or all of the database on the host computer side is downloaded to the display terminal side, the same database is shared between the host computer and the display terminal, eliminating the need to re-enter data as in the past. It is possible to significantly reduce the loss of processing time of the host computer due to screen display.

In addition, even if the information in the database downloaded from the host computer changes due to changes in equipment, etc., the host computer and display terminal share the same database, so the changed information can be uploaded from the display terminal to the host computer. The database on the host computer side can be easily changed.

[Brief explanation of the drawing]

1 to 3 show an embodiment of the method for displaying an instrumentation monitoring and control screen according to the present invention, FIG. 1 is a block diagram of the instrumentation monitoring and control system used in the present invention, and FIG. 2 is a basic plan database. Fig. 3 is a flowchart for explaining the operation, Fig. 4 shows a conventional example, Fig. 4 is a block diagram of an instrumentation monitoring and control system, Fig. 5 is a schematic diagram for explaining the information registration system of The figure is an illustrative diagram of the displayed power system diagram, and FIG. 6 is an explanatory diagram of the item table database. (4)...Host computer, (5), (1
0...Item table database, (6)...CRT display, (7)...CRT. (8)...CPU, (9)...Basic drawing database.

Claims (1)

[Claims] (1) The information constituting the instrumentation monitoring and control screen, such as a power system diagram, is divided into a basic layer consisting of basic drawing information that does not change display attributes such as equipment symbols and lines, and the basic drawing classified by display processing mode. A multi-layer basic video layer consisting of video information for each device symbol in the layer, a device information layer for searching consisting of both specification items such as device number item and function identification code item, and display items such as device name and string of characters and numbers. , is registered as a basic drawing database in a three-layer format, the basic drawing database is provided on the display terminal side, other databases necessary for display in addition to the basic drawing database are provided on the host computer side, and when displaying, the other databases are Part or all of the database is downloaded to the display terminal and linked to the basic image database, and the video information of the basic video layer specified by the data of both specified items input from the host computer is displayed in the basic image. A method for displaying an instrumentation monitoring and control screen characterized by displaying the screen by compositing it with a basic image of a layer.