JPH01222306A - Method for displaying monitoring and controlling screen for instrumentation - Google Patents

Abstract

PURPOSE:To reduce the processing terms of a host computer at the time of altering a display attribute by designating a basic moving picture layers by means of respective parameters of commands which the host computer issues and selecting moving picture information required. CONSTITUTION:Basic picture information whose display attribute is not altered is registered in a data base 7 on the side of a CRT display 4 as a basic picture layer 8, moving picture information with respect to respective unit symbols as the basic moving picture layers 91-9n and unit information for retrieval as a unit information layer 10. With only inputting the parameters of the commands which the host computer 3 issues, moving information required is selected among respective basic moving picture layers 91-9n, and moving information selected for the basic picture of the basic picture layer 8 are synthesized and displayed. Since the display attribute can easily be altered by only altering the contents of respective parameters, the processing which the host computer 3 executes for the alteration of the display attribute can be reduced.

Description

DETAILED DESCRIPTION OF THE INVENTION [Industrial Application Field] The present invention relates to a power system diagram in an instrumentation monitoring and control system for pill 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 instrumentation monitoring and control systems, when forming an instrumentation monitoring and control screen on a CRT, a semi-graphic method has been mainly adopted, as shown in Fig. 1θ.
Specify the coordinates of a minute area on the screen of the host computer (1) or CRT (2+), place image components such as vertical or horizontal lines or arcs in the specified minute area, and then Repeatedly for each micro area, an instrumentation monitoring control screen such as a power system diagram consisting of equipment symbols of various equipment such as transformers and circuit breakers as shown in FIG. 11 is formed.

By the way, in the power system diagram shown in Fig. 11, when changing the display attributes of equipment symbols, that is, when changing the display color and flickering the 9-shaped symbol, the host computer (11) After calculating the coordinates of the target device symbol on the CRT+21 screen, the host computer+1 issues commands based on a predetermined program, such as changing the display color of the calculated coordinates.
) to the CRT (21) to change the display attributes of the desired device symbol.

[Problem to be Solved by the Invention] However, in this case, the host computer (1) performs all the series of controls regarding changes in display attributes.
If there are a large number of processing items on the host computer (11), and the host computer (11) is occupied for a long time in display attribute change processing, and if it becomes necessary to change the display attribute processing content itself, There is a problem in that it is necessary to take measures such as changing the processing program on the host computer 111 side, which is very time-consuming.

Therefore, an object of the present invention is to reduce the processing items of the host computer when changing the display attributes of the elements of the instrumentation monitoring control screen.

[Means to solve the problem]

Next, means for achieving the above object will be explained using FIGS. 1 to 9, which correspond to embodiments.

That is, in the present invention, among the information constituting an instrumentation monitoring and control screen such as a power system diagram, equipment symbols of various equipment such as transformers and circuit breakers.

And basic image information with no change in display attributes, such as line 9 diagram frame connecting each device symbol, is set as the basic layer 181.

It is registered in the database (7) provided on the CRT display (41 side) which is a display terminal, and the video information for each of the device symbols in the basic layer (8) is stored for each display processing mode such as display color and symbol change. Registered in the database (7) as multiple basic video layers (91) to (9n), function identification code item (ib) for header indicating display attribute processing, and equipment provided for each function identification code. Both designated items of number item (IC) and one device name.

It consists of ≠display item (la) such as a string of letters and numbers.

Device information for search is registered in the database (7) as a device information layer flO, and a command number and 1 device number are used to request a predetermined process from the CRT display+41.

Parameter p and -
Issue a command from the host computer +31 to
When the command is a command related to display, a predetermined basic video layer is specified by each parameter of the command, necessary video information is selected, and the basic layer 18
The first basic image and the selected moving image information are combined and displayed.

[Effect]

Therefore, according to the present invention, among the information constituting the instrumentation monitoring control screen, the basic image information whose display attributes are not changed is registered as the basic layer (81) in the database (7) on the CRT display (41 side), and The video information for each device symbol in the layer 18) is stored in the database (
7), and the device information for searching the host computer +31 consisting of specified items (lb), (Ic) and display item (1a) is stored in the database 7,1 as the device information layer ao.
7), and when displayed, the host computer (31
The command number, 9 equipment number, and 9 function identification code are the parameters of the command issued from.

The necessary video information is selected from each basic video layer (91) to (9n) by simply inputting the contents of the display process through the host computer +31, and one is selected for the basic image of the basic layer +81. Video information is combined and displayed.

As a result, even if the display attributes of the elements on the instrumentation monitoring control screen are changed, the video information to be combined with the basic image will be changed by changing the contents of each parameter of the command issued by the host computer +31. Therefore, the display attributes can be easily changed, and the processing performed by the host computer (3) to change the display attributes of the elements of the instrumentation monitoring and control screen is greatly reduced.This also reduces the burden on the host computer (31). Ru.

〔Example〕

Next, the present invention will be explained in detail with reference to FIGS. 1 to 9 showing embodiments thereof.

First, Figure 1 shows the schematic configuration of the instrumentation monitoring and control system, where (3) is a host computer, C4) is a CRT display as a display terminal, CRT15+, terminal side CP Ll (e), and instrumentation monitor and control system. It also includes a database (7) in which information necessary for displaying the monitoring control screen is registered.

At this time, the database 17) includes a basic solid layer [8], a plurality of basic moving image layers (91), (92
),...

Necessary information is registered and formed in a three-layer format of (9n) and equipment information layer 00, and each of these layers (8) when forming a power system diagram as an instrumentation monitoring control screen.

The registration procedures for (91) to (9n) and no will be explained below.

First, to explain the registration of basic plan information to the basic solid layer +81, as shown in FIG. 3(a), lines connecting equipment symbols of various devices in the power system diagram.

In addition to registering fixed image elements such as frames, arrows, and other fixed image elements whose display attributes do not change, the device symbols to be registered are selected from the device symbol files of various devices as shown in Figure (b). The selected equipment symbols are placed and registered in the appropriate positions on the scale/L/l-plane consisting of the registered fixed image elements as shown in (C) of the same figure, and the basic drawing as shown in the same figure (C) is added to the basic solid layer ( 8) Register.

At this time, each equipment symbol in the basic solid layer +81 is
Since the display attributes do not change, it is treated as a fixed image element.

Next, when registering video information for each equipment symbol of the basic solid layer 18) in the basic video layers (91) to (9n), the display color and flicker of each equipment symbol.

It is classified into display processing modes such as symbol change, and the video information for each of the classified display processing modes is registered in a predetermined basic video layer.

Specifically, the basic solid layer (8) as shown in Figure 3 (C)
Among the basic images, as video information of circuit breakers and switching contacts whose display attributes are changed, for example, for the display color change process of circuit breakers, as shown in FIG. 4(a) or (b), The circuit breaker symbols with different display colors are registered in each predetermined layer, and the switching contact symbol change processing is performed in the same figure (e
) Or, as shown in (d), symbols of switching contacts with different switching states are registered in each predetermined layer, and video information for each display processing mode that requires changing of display attributes is registered in each layer, and multiple Basic video layer (91) ~ (
9n).

Furthermore, as shown in FIG. 5(a), as the equipment information layer aO, for each equipment symbol registered in the basic solid layer [8], the equipment symposium A/A, the response from the equipment of the equipment symbol, etc. Character/numeric string to represent data 81 Device name of the device symbol C1 O of the device of the device symbol
In addition to registering display items (18) such as status name 01 to represent the status such as N or OFF, measurement value E to represent the rated value or measured value of the device symbol, and unit F, etc. As shown in Figure (a), there are two designation items: a function identification code item (lh) for the header that indicates the display attribute processing of the device symbol, and an equipment number item (lc) provided for each function identification code. Register.

At this time, as the video information corresponding to the display item (la), as shown in FIG. If the number of characters is * symbol, what is the number of digits of the measurement value E? It is registered in each predetermined layer among the basic moving image layers (91) to (9n) in a form in which the number of characters of the unit F is set with a symbol, a period symbol indicating a decimal point, and a $ symbol.

In addition, the J18 level 1 or 2 level kanji set database and other databases required when actually displaying the instrumentation monitoring and control screen can be stored on a CRT display (4
: Must be prepared on the side.

Next, CR the power system diagram as the instrumentation monitoring and control screen.
Regarding the operation when displaying on T15+, see 7 in Figure 6.
This will be explained using a 0-chart.

Now, when a key on the keyboard of the CRT display (4) is operated, it is determined by CP[J (61) whether or not the key requests screen display, as shown in FIG. If the determination result is affirmative (YF; 8), the CPU (6) analyzes the screen to be displayed on the CRT (51), and the CPU (61 In order to display the screen, a screen display request command is issued to the host computer (3) to request the status of the equipment managed by the host computer (3), and a request is sent to the host computer +31 for the data necessary for screen display. Based on this request, the host computer +31 turns on and off each device.
``Status and measurement data such as ' are collected.

Then, while data etc. are being collected by the host computer +31, as shown in FIG.
61, the basic layer (I'll
The basic drawing as shown in Fig. 3(e) registered in CI'
L T (displayed at 51, host computer (3)
The host computer p
Based on each parameter of the response command, which is the reply data from the L3+color OP U (61 is issued a response command to the screen display request command, and the host computer 3), the basic video layer of the database (7) is sent to the CPU (61). The necessary video information is selected from (9I) to (9n), and 1 is added to the basic image displayed in CIt T (51).
The selected video information is combined and a power system diagram is displayed.

Furthermore, when a change occurs in the status or measurement data of each device, the host computer (3) issues a status change notification command as shown in Figure 6, and the CPU (6) issues a status change notification command.
If it is a state change on the screen being displayed on CRT If it is unrelated to the screen, the data of the status change notification command is ignored, and a series of processes in response to the operator's screen display request are completed.

Furthermore, when the CPU (61) displays the screen on the CRT r5+, the power system diagram is displayed with predetermined characters and numbers added to it by referring to the database [7] and other data bases necessary for display. be done.

By the way, the response command and status change notification command issued from the host computer +31 are composed of parameters as shown in FIG.
40", the command length, a function identification code that is a header that indicates processing of display attributes, the screen number of the display screen, and the equipment number and meter of the equipment that is the component of each screen. It is composed of buildings.

Here, each parameter has a word structure, and the command number, command length 1 function identification code, and screen number are each 2 bytes, and the data identification number is 4 bytes.

In addition, in the data section, the data length is entered in the first 2 Bytes, the display mode designation section is entered in the next 2 Bytes, and the data is entered in the following variable length B)+te.

The display mode designation section of the data section described above is the eighth section.
The bit configuration is as shown in the figure.The first two bits specify the display color of the device status, the next two bits specify whether to exclude the display and whether there is flicker, and the next two bits specify the normal color. 0 selection, failure, and unused display modes are designated, and other necessary display processing is designated as appropriate using the following pits.

Note that the configuration of the screen display request command issued from the CPU (6) also conforms to the parameter configuration shown in FIG. 7, but since the status of each device is unknown in the screen display request command, ) will not last.

In this way, based on each parameter of the command issued from the host computer (31),
) is selected as the video information of one of the circuit breakers in the power system diagram basic drawing, for example, the equipment symbol of the display color shown in FIG. For example, the device symbol with the display color shown in FIG. 4(b) is selected, and the switching state shown in FIG. 4(e) is selected as the video information of the switching contact in the basic image, and The basic image shown in FIG. 9 and each selected moving image information are combined, and as a result, a power system diagram as shown in FIG. 9 is displayed on the CRT (51).

Therefore, according to the embodiment, when changing the display attributes of symbols in the power system diagram, which is the instrumentation monitoring and control screen, the basic Since the video information to be combined with the image is changed and displayed in combination with the basic image, it is possible to significantly reduce the processing required by the host computer + 31 hours to change the display attributes compared to the past.
The burden on the host computer (31) can be reduced.

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.

Among the information that makes up the instrumentation monitoring and control screen, basic image information is registered as a basic layer in the database provided on the display terminal side, and video information for each equipment symbol in the basic layer is classified by display processing mode. Since the video information of the device symbol whose display attributes should be changed can be easily selected based on the contents of each parameter of the command issued by the host computer, the display attributes can be changed. for,
The host computer only needs to change the contents of the parameters of the issued command, and the processing performed by the host computer can be significantly reduced compared to the conventional method, and the burden on the host computer can be reduced.

[Brief explanation of the drawing]

1 to 9 show one embodiment of the method for displaying the instrumentation monitoring and control screen of 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 database A schematic diagram for explaining the information registration layer, Figure 3 (a)
) to (0) are explanatory diagrams of the basic layer registration operation, and Fig. 4 (a
) to (d) are explanatory diagrams of the registration operation of the basic video layer, and Figure 5 (
a) and (b) are explanatory diagrams of the registration operation of the device information layer, FIG. 6 is a flowchart for explaining the operation, FIG. 7 is a configuration diagram of commands, FIG. 8 is a configuration diagram of the display mode specifying section, and FIG. 9 10 is an example of a displayed power system diagram, FIG. 10 and the following drawings show a conventional example, FIG. 10 is a block diagram of an instrumentation monitoring and control system, and FIG. 11 is an example of a displayed power system diagram. be. (3)...Host computer, C4)...CRT display, 151...CRT, +61...CPU
, (7)...Database, (8)...Basic layer,
(91) to (9n)...Basic video layer.

Claims (1)

[Claims] (1) Among the information that constitutes the instrumentation monitoring and control screen such as power system diagrams, change of display attributes such as equipment symbols of various equipment such as transformers and circuit breakers, lines connecting the equipment symbols, and diagram frames. Basic image information that does not exist is registered as a basic layer in a database provided on the display terminal side, and video information for each device symbol in the basic layer is registered for each display processing mode such as display color and symbol change. Registered in the database as the basic video layer of the layer, the header function identification code item indicating display attribute processing and the device number item provided for each function identification code, as well as the device name and character/numeric string. Device information for search, which consists of display items such as, is registered in the database as a device information layer, and a command number, a device number, and a function identification code for requesting a predetermined process from the display terminal. , the content of display processing is issued from the host computer as a parameter, and when the command is a command related to display, the predetermined basic video layer is specified by each parameter of the command and necessary video information is generated. A method for displaying an instrumentation monitoring and control screen, characterized in that the basic image of the basic layer and the selected moving image information are combined and displayed.