JP2012103978A - Display device for plant monitoring control system and creation method for its display screen - Google Patents

Abstract

PROBLEM TO BE SOLVED: To provide a display device of a plant monitoring control system for easily performing manufacturing and preservation of a display screen on which monitoring control information is displayed.SOLUTION: A display device for a plant monitoring control system includes: a storage part 22 for storing plotting data; and a display processing part 21 for creating and displaying a display screen. The plotting data is configured of: a display object/tag number association table in which a display object file and a tag number to be applied to data are associated with each other; a plurality of grid pattern files for designating the display position and its display size; and a display object/group table for designating a display object and the display position and size of the tab number, and the display processing part is configured to extract a grid pattern and a display object, and to superimpose and display the display object on the grid pattern, and to determine the display position and its size, and to display the display object on the display screen, and to create a corresponding display object/group table.

Description

  The present invention relates to a display device for a plant monitoring control system and a method for creating a display screen thereof.

  BACKGROUND ART A plant monitoring control system that performs plant monitoring control includes a display device that displays monitoring control information to be monitored and controlled. The display screen displayed by the display device is a screen that displays the entire system system being monitored and controlled, as well as a part of the monitoring control status, as a single screen, and is easily displayed to the system operator.

  A conventional display screen is configured by registering various display objects in advance and creating a screen by appropriately combining the display objects.

  For example, FIG. 12 is a monitoring control screen of the plant that controls the water level of the tank, and the display object thereof is the entire configuration of the pre-registered water level monitoring control system in the tank shown in FIG. The graphic object shown, the trend data object of the water level shown in FIG. 12 (b), and the meter object for controlling the water level shown in FIG. 12 (c).

  The data to be monitored and controlled by the water level control system is registered in advance as tag numbers in association with the respective display objects. For example, the water level of the tank is as tag number 1 “88.00 m”. Characters are displayed, and the upper limit set value of the water level is displayed as characters such as tag number 2 “PH90.00m”.

  The time series data such as the water level data of the tank is displayed as trend data as shown in the graph of FIG. 13B, and the set value of the control device for controlling the flow rate flowing into the tank or the non-control amount is the tag number. As shown in FIG. 3, characters are displayed or displayed as a bar graph, and are associated with each display object and registered in advance.

  The data designated by these tag numbers is requested to display data by clicking characters on the display screen or a predetermined position, and the data of the requested tag number is transmitted from the corresponding process monitoring control system.

  For example, in the instrument screen shown in FIG. 12 (c), first, the a point is clicked to display the instrument screen, and when the tag number 3 displayed on the instrument screen is clicked, a bar tag is displayed. The trend data is displayed.

  The display screen of such a plant monitoring and control system includes either a trend screen or an instrument screen in order to open the screen creation to the user in a plant total instrumentation operator station having a graphic screen, a trend screen, and an instrument screen. Is a display unit screen, and a technology is disclosed that increases the degree of freedom in product development and creation for each screen (see, for example, Patent Document 1).

  Further, in the plant monitoring device, drawing data is stored in advance, and based on a preset scaling instruction, a bitmap of an instrument diagram that does not break drawing at a reduced scale is selected, a font is selected, and drawing is performed. There is disclosed an instrument diagram display device that includes a display processing unit that performs scale calculation on data and that allows a plurality of instrument diagrams to be freely set on a monitoring screen (for example, see Patent Document 2). ).

JP-A-11-175221 Japanese Patent No. 3350923

  However, the above-described patent document does not disclose a technique or description that suggests a display device that can arbitrarily and easily set the sizes and display positions of a plurality of different display objects.

  For example, as shown in FIG. 13, when the plurality of display screens shown in FIG. 12 are created as one screen, the display positions and display sizes of the plurality of display objects and display data are changed each time, and It is necessary to handle the overlap appropriately.

  Such image processing increases the scale of the system, and in the case of providing a large number of monitoring screens, not only when creating a new monitoring screen, but also when creating a monitoring screen in the case of a system change. It took a lot of time and effort to secure the quality.

  The present invention has been made to solve the above problems, and in a display device that displays monitoring control information of a plant monitoring control system that performs plant monitoring control, production and maintenance of a display screen that displays monitoring control information It is an object of the present invention to provide a display device for a plant monitoring and control system that can be easily performed.

  In order to achieve the above object, a display device of a plant monitoring control system according to the present invention is a display device of a plant monitoring control system, and the display device stores a drawing data for generating a display screen; A display processing unit that processes the drawing data and creates and displays the display screen. The drawing data includes a display object file including a plurality of display objects to be displayed, the display object, and the plant monitoring control. A display object / tag number correspondence table in which tag numbers assigned to data to be monitored and controlled by the system are associated, and a plurality of designations for designating display positions and display sizes of the plurality of display objects to be displayed on the display screen A grid pattern file and a layout on the grid pattern to display the display A display object group table for designating the display object to be displayed on a screen and the display position and display size of the tag number, and the display processing unit extracts the specified grid pattern from the storage unit In addition, the specified display object is extracted from the display object file, the specified display object is displayed on the extracted grid pattern, and the specified display position and display size are displayed. Further, referring to the display object / tag number correspondence table, the display position and the display size of the tag number displayed in association with the designated display object are obtained, and the display object and the tag The number is displayed on the display screen and corresponds to the display screen. It is characterized in that so as to create a serial display object-group table.

  In order to achieve the above object, a method for creating a display screen of a display device of a plant monitoring control system according to the present invention is a method of creating a display screen of a display device of a plant monitoring control system, wherein the display device is a display screen. A storage unit for storing the drawing data for generating the display data, and a display processing unit for processing the drawing data and generating and displaying the display screen, wherein the drawing data includes a display object file of an object to be displayed, Display object / tag number correspondence table that associates tag numbers assigned to data to be monitored and controlled by the plant monitoring control system, and display positions and display sizes of the plurality of display objects displayed on the display screen And a plurality of grid patterns for designating and layout on the grid pattern And a display object group table for designating a display position and a display size of the display object and the tag number to be displayed on the display screen, and extracting a grid pattern having a size designated from the grid pattern. A step of displaying, a step of extracting the display object specified from the display object file, displaying the display object on the grid pattern, specifying a display position and a display size of the display object, and the display object tag Referring to a number correspondence table, designating a display position and a display size of the tag number to be displayed in association with the displayed display object, and displaying the designated display object and the tag number in the display And display it on the screen. Characterized by comprising the steps of generating the display object group table corresponding to the screen, the.

  According to the present invention, in a display device that displays monitoring control information of a plant monitoring control system that performs monitoring control of a plant, a plant monitoring control system that can easily produce and maintain a display screen that displays monitoring control information. A display device can be provided.

The block diagram of the plant monitoring control system and display apparatus of this invention. The block diagram of the file and table with which a memory | storage part is equipped. 4 is an example of a grid pattern according to the first embodiment. 4 is an example of a display object / tag correspondence table according to the first embodiment. FIG. 6 is an operation flowchart of the display device when creating the initial screen according to the first embodiment. FIG. 6 is an operation flowchart of the display device when the screen is changed according to the first embodiment. 4 is an example of a display screen created in the first embodiment. 4 is an example of a display object group table according to the first embodiment. 10 is an example of a display object priority display table according to the second embodiment. FIG. 10 is an operation flowchart of the display device according to the second embodiment. 10 is an example of a display object group table according to the second embodiment. A display screen of a conventional supervisory control system. The figure explaining the problem at the time of preparation of the display screen of the conventional monitoring control system.

  Embodiments of the present invention will be described below with reference to the drawings.

  The first embodiment will be described with reference to FIGS. FIG. 1 is a diagram illustrating the configuration of the plant monitoring control system 100 and the display device 2 according to the first embodiment. In FIG. 1, the configuration of a plant monitoring control system 100 according to the first embodiment includes a monitoring control device 1 of a plant 3 to be controlled and a display device 2 thereof, and the display device 2 stores a drawing data to be displayed. And a display processing unit 21 that generates a display screen for monitoring control from the drawing data and the monitoring control data of the monitoring control device 1.

  Next, details of the drawing data stored in the storage unit 22 will be described with reference to FIG. The drawing data includes a plurality of grid pattern files 22a for designating display positions and display sizes of the plurality of display objects displayed on the display screen (hereinafter, size and size are used as synonyms), and a plurality of grid pattern files 22a. A display object file 22b composed of display objects, a display object / tag number correspondence table 22c in which tag numbers given to data monitored and controlled by the plant monitoring control system 100 are associated with the display objects, and a grid pattern The display object group table 22d that designates the display object to be laid out and displayed on the display screen, and the display position and display size of the tag number.

  Next, the display processing unit 21 that generates a display screen using these drawing data processes the drawing data included in the storage unit 22 and the monitoring control data generated by the monitoring control device 1 and associated with the tag number. A processing unit 21a, an operation unit 21b that is an operation terminal thereof, and a display unit 21c that displays drawing data generated by the processing unit 21a.

  Next, details of files and tables stored in the storage unit 22 will be described. FIG. 3 shows an example of a grid pattern. FIG. 3A shows a grid pattern composed of 8 sections of equal size, and FIG. 3B shows a grid pattern composed of 16 sections of 2 rows × 8 columns. Show.

  This grid pattern is displayed as a grid line on the background of the display screen, and its size corresponds to the display resolution (vertical × horizontal) of the display screen of the display unit 21c.

  One section of the grid pattern is a minimum section (screen) for designating the position and size of a display object stored in advance.

  For this reason, when the resolution of the section to be displayed on the grid pattern and the display position of the display object displayed on the display screen are designated, the processing unit 21a performs the reduction or enlargement processing for each of the vertical and horizontal directions of the display screen. Go and display.

  Therefore, the display object file 22b sets and stores in advance what resolution and size should be stored for each display object, and the grid pattern file 22a displays the number of grid pattern sections. It is desirable to prepare in advance a plurality of units 21c so as to be compatible with display screens having different resolutions.

  Also, the resolution of the display object is prepared so as to be compatible with various display resolutions, and is compressed and displayed in a designated size.

  In general, as described in FIG. 12, the types of display objects include a graphic object indicating a plant system monitored and controlled by the plant monitoring control system, a meter object indicating a control device of the plant monitoring control system, and the control device. Are composed of characters indicating data to be monitored and controlled, bar graphs, and trend objects indicating data trends.

  Various data to be monitored and controlled are displayed as characters, bar graphs, trend graphs or the like in association with tag numbers.

  Next, the display object / tag number correspondence table 22c will be described with reference to FIG. The display object / tag number correspondence table 22c describes a list of display objects and tag numbers registered in association with the display objects stored in the storage unit 22 in advance. Can be set.

  When creating the first display screen, this display object / tag number correspondence table 22c is selected from a screen menu (not shown), and is used when a display object to be displayed is designated. This table may be a table of table object type units as shown in FIG. 4 (a) graphic and FIG. 4 (b) trend.

  Next, the operation of the display device 2 when a display screen is created using a grid pattern and the display object / group table 2d corresponding to the display screen is created will be described with reference to FIGS.

  First, the display screen laid out in the state shown in FIG. 7 using the three-segment display objects of the graphic, trend, and instrument as described in FIG. 12 using the grid pattern of 16 sections shown in FIG. 3B. The operation of the display device 2 will be described with reference to the flowchart of FIG.

  First, a grid pattern of 16 sections is selected and displayed from a plurality of grid pattern menus (not shown) (s1).

  Next, a graphic object is selected from a menu of display objects (not shown) of the target plant and displayed on the grid pattern. In this processing, in the processing unit 21a, the creator operates the operation unit 21b, the processing unit 21a extracts the designated graphic object from the storage unit 22, temporarily stores it in a display buffer memory provided in the processing unit 21a, and The temporarily stored image data is transferred to the frame memory of the display unit 21c and displayed on the display screen as a frame signal.

  At this time, the display position of the displayed graphic object is the position of the screen set in advance, and the displayed size is displayed with the resolution of the display object stored in advance or converted to the initial resolution set in advance. Is done.

  At this time, the resolution of the displayed display object may be a resolution that allows the contents of the selected display object to be visually recognized.

  Next, the display position and size of the displayed graphic object are designated on the display grid pattern and displayed again. There are various methods for specifying the display position and the display size. For example, as shown in FIG. 7, a method of specifying two corners (point P1, point P2) of the grid pattern may be used (s2).

  Then, the processing unit 21a performs compression conversion of the image of the display object from the designated display position and the designated display size, and temporarily stores it in the display buffer memory (s3).

  This scale ratio is the display (resolution) size / original (resolution) size stored in advance in the storage unit 22, and may have different scale ratios in the vertical and horizontal directions of the display image. Usually, the original image size is stored at a high resolution so that the resolution of the display screen is not insufficient, but if not, it may be enlarged.

  The compressed image is displayed with the screen size specified by the grid pattern. The size and position of the displayed screen are visually confirmed. If it is satisfactory, the process proceeds to the next process. If not, the display position and size are further changed (s4).

  Next, data corresponding to the graphic object, that is, a tag number is set. For example, the tag number L00 in FIG. 7 is selected and the upper limit value of the water level is set (s6). The set tag number is in an active state, and can be displayed, for example, when data from the monitoring control device 1 is received.

  The display state of the monitoring control data by the tag number may be set collectively after all display objects are set.

  When the setting of one display object is completed, the process proceeds to the setting of the next display object. When all the display settings are completed and it is desired to change the layout, the display position and size setting operation is repeated (s2 to s8). As a result, the display is appropriately laid out as shown in FIG. Screen creation is complete.

  Next, when this display screen registration is instructed, a display object / group table as shown in FIG. 8 is generated from the display screen of FIG. 7 temporarily stored in the display buffer memory and stored in the storage unit 22 (s8). .

  Next, the display object / group table will be described with reference to FIG.

  Each column of the display object / group table is displayed with a group name and the number of grid pattern sections for a plurality of display screens, and each row is displayed for each number of grid pattern sections for each group name (screen). Describes specifications and lists multiple display screens.

  The created display screen for each grape name can be registered as this display object / group table. The registered group table can be displayed on the display unit 21c by designating the group name.

  Further, as will be described later, it is also possible to create a display screen by first creating specifications for each column of one group name in this display object / group table.

  Next, description examples of the display object / group table will be described. For example, in the display screen of group 2 using a grid pattern of 16 sections, the number of sections, 16 sections (vertical × horizontal = 2 × 8), the top section 1 has a size: 2 × 1 section, Display object name = tank level A and tag number = L00 are described.

  In section 2, size: 2 × 4 sections, display object name = tank B, and tag number = none are described.

  Similarly, in the last section 16, the size is 1 × 1 section, and the object name = instrument and tag number 3 = F1211 are described.

  That is, the display object displayed across a plurality of sections is designated by the size displayed in the head section, so that the display position and display size of the display object as shown in FIG. The tag number specification corresponding to the display object can be set.

  Next, an operation for changing the display screen of one group in a preset display object / group table will be described with reference to FIG.

  First, the group to be changed is displayed on the display screen with reference to the display object / group table (s11).

  Next, for one group to be changed, a change value between the partition size and the position of the target display object is described (s12).

  Next, the changed display object / group table is designated, the scale calculation and the display position are changed, and displayed on the display screen (s13, s14). As a result, the quality of the displayed screen is visually confirmed, and the same operation is repeated when further changing (s12 to s15).

  Here, regarding the changed display screen, when it is desired to change the setting of the tag number, the tag number is designated and the setting is changed (s16, s17). Further, when all the changes are completed, the display object / group table is updated (s18).

  As described above, the display device 2 according to the present embodiment extracts the specified grid pattern from the storage unit 2 and displays it, extracts the specified display object from the display object file thereon, and displays the display object. The display position and the display size specified are obtained in a superimposed manner, and the display position and the display size of the tag number displayed in association with the display object are further referred to by referring to the display object / tag number correspondence table. Ask.

  Then, the display object and the tag number are displayed on the display screen, and a display object / group table corresponding to the display screen is created.

  When the created display screen is changed, this display object / group table is displayed, and the display position and display size of the display object are changed.

  Similarly, when changing the setting of the tag number, the setting of the tag number displayed on the display screen is changed, and the contents to be received and displayed from the plant monitoring control system are changed.

  According to the first embodiment configured as described above, a display object registered with a grid pattern and high resolution can be displayed, and a display position and a display size can be easily specified. Visual quality can be confirmed by visual recognition.

  Furthermore, since this screen can be registered as a display object / group table, it can be easily updated by rewriting the display specifications of the display object / group table not only when the initial screen is produced but also when the screen is changed.

  Therefore, the maintenance work is easy and the maintenance history becomes clear, so that the quality is improved.

  Next, with reference to FIGS. 9 to 11, a display device of the plant monitoring control system according to the second embodiment and a method for creating the display screen will be described. The same parts of the second embodiment as those of the first embodiment shown in FIG. 1 are denoted by the same reference numerals, and the description thereof is omitted.

  The second embodiment is different from the first embodiment in the second embodiment, in the configuration of the first embodiment, the storage unit 22 further includes a display object priority display table 22e and is displayed. A new display object is displayed in a superimposed manner on the display screen of one group name 22d, and it is possible to automatically determine whether there is an empty space (section) that can be laid out.

  An example of the display object priority display table 22e is shown in FIG. In this table, display objects to be added to the created group name display screen are registered in advance.

  An example is described in which one display object is described on the display screen with the group name group 1, and the display specifications of the two display objects are described on the display screen 2 with the group name group 2.

  Each column of the display object priority display table 22e describes the display priority of display objects to be displayed and the display specifications for each display screen of the target loop name.

  The display specification is the same as the specification description field of the display object / group table 22d, and the display position (first section number), size, display object name, and tag number are described.

  When the display object of the display object priority display table 22e is described and a priority display request is made, as shown in FIG. 11, the display object for the group name to be additionally displayed is displayed in the display object / group table 22d. The additional display specifications are group names as shown in AUTO1 and AUTO2, and the display specifications are displayed in the corresponding partition column of each column.

  Further, when each posting is requested, the presence / absence of an empty partition is determined in the order of priority, and if there is an empty partition, it is automatically transferred to each column of the corresponding group name, the group 1 column, and the group 2 column. The AUTO1 and AUTO2 columns are erased, and the display remains if there are no empty partitions.

  When it is determined that there is no space, the description of the display object priority display table 22e is deleted or the additional display specification of the display object priority display table 22e is reset to request the presence or absence of an empty partition.

  Display operation functions such as registration, deletion, and transcription of the display object priority display table 22e may be changed as appropriate.

  Next, the operation of the display device 2 provided with such a display object priority display table 22e will be described with reference to FIG.

  When priority display is requested from a screen menu (not shown) on the displayed group name screen, the processing unit 21a searches the display object priority display table 22e (s21), and an empty space (section) of the corresponding display object. It is checked whether or not there is (s22).

  If there is a requested empty section, its contents are registered in the display object / group table 22d (s23). If there is no empty section, the presence / absence of the next priority display order is confirmed (s22).

  If there is no display object described in the display object priority display table 22e, the presence / absence of an empty partition is determined (s23), and the number of grid pattern sections in the display object priority display table 22e is described and displayed (s24).

  If it is desired to add a new display to the displayed empty section, the display specification is described and the display object priority display table 22e is updated (s25).

  According to the display device 2 of the second embodiment configured as described above, it is possible to easily register a display object to be added or not, and to easily register a new display object when there is an empty section.

  The present invention is not limited to the above-described embodiments. The shape and size of the grid pattern and the description specifications of the display object / group table are the same as the configuration and monitoring of the applied monitoring control system. It may be changed as appropriate according to the control data, and can be changed as appropriate without departing from the spirit of the present invention.

DESCRIPTION OF SYMBOLS 1 Monitoring and control apparatus 2 Display apparatus 3 Plant 21 Display display process part 21a Process part 21b Operation part 21c Display part 22 Storage part 22a Grid pattern 22b Display object file 22c Display object / tag number correspondence table 22d Display object / group table 22e Display object Priority display table 100 Plant monitoring and control system

Claims (8)

A display device for a plant monitoring control system,
The display device includes a storage unit that stores drawing data for generating a display screen;
A display processing unit that processes the drawing data and creates and displays the display screen;
With
The drawing data includes a display object file including a plurality of display objects to be displayed,
A display object / tag number correspondence table in which the display object is associated with the tag number assigned to the data to be monitored and controlled by the plant monitoring control system;
A plurality of grid pattern files for designating display positions and display sizes of the plurality of display objects to be displayed on the display screen;
A display object group table that specifies the display position and display size of the display object and the tag number to be laid out on the grid pattern and displayed on the display screen,
The display processing unit extracts and displays the designated grid pattern from the storage unit,
Further, the specified display object is extracted from the display object file, the specified display object is superimposed on the extracted grid pattern, and the specified display position and display size are obtained.
Further, referring to the display object / tag number correspondence table, a display position and a display size of the tag number to be displayed in association with the designated display object are obtained,
A display device for a plant monitoring and control system, wherein the display object and the tag number are displayed on the display screen and the display object group table corresponding to the display screen is created. The display processing unit displays the specified display object / group table,
The display device of the plant monitoring control system according to claim 1, wherein when the specified display object and the tag number are updated, the display screen corresponding to the display object group table is created and displayed.   2. The display device for a plant monitoring control system according to claim 1, wherein the display processing unit accesses the tag number displayed on the display screen to receive and display the data from the plant monitoring control system. .   The display object is a graphic object indicating a plant system monitored and controlled by the plant monitoring control system, a meter object indicating a control device of the plant monitoring control system, characters indicating the data monitored and controlled by the control device, and a bar graph 2. A display device for a plant monitoring control system according to claim 1, comprising a trend object indicating a trend of the data. The storage unit includes a display object priority display table for designating the display object to be preferentially displayed next to the display screen created in advance.
The display processing unit activates the display object priority display table, obtains an empty space of the displayed display screen,
When the display object described in the display object priority display table can be displayed, the display object / group table is updated by writing to the corresponding display object / group table and the updated display object / group table. 2. The display device for a plant monitoring control system according to claim 1, wherein the display screen corresponding to is displayed. A method for creating a display screen of a display device of a plant monitoring control system,
The display device includes a storage unit that stores drawing data for generating a display screen;
A display processing unit that processes the drawing data and creates and displays the display screen;
With
The drawing data includes a display object file of an object to be displayed,
A display object / tag number correspondence table in which the display object is associated with the tag number assigned to the data to be monitored and controlled by the plant monitoring control system;
A plurality of grid patterns for designating display positions and display sizes of the plurality of display objects to be displayed on the display screen;
A display object group table that specifies the display position and display size of the display object and the tag number to be laid out on the grid pattern and displayed on the display screen,
Extracting and displaying a grid pattern of a specified size from the grid pattern; and
Extracting the display object to be designated from the display object file, displaying the display object on the grid pattern, and designating a display position and a display size of the display object;
Designating the display position and display size of the tag number to be displayed in association with the displayed display object with reference to the display object / tag number correspondence table;
Displaying the specified display object and the tag number on the display screen, and creating the display object group table corresponding to the display screen;
A method for creating a display screen of a display device of a plant monitoring control system, comprising:   Further, when the display object / group table created is displayed again and the designated display object and the tag number are updated, the display screen corresponding to the display object / group table is updated and displayed. A method for creating a display screen of a display device of a plant monitoring control system according to claim 6, comprising: The storage unit includes a display object priority display table for designating the display object to be preferentially displayed next to the display screen created in advance.
The display processing unit activates the display object priority display table, obtains an empty space of the displayed display screen,
When the display object described in the display object priority display table can be displayed, the display object / group table is updated by writing to the corresponding display object / group table and the updated display object / group table. The method for creating the display screen of the display device of the plant monitoring control system according to claim 6, further comprising the step of displaying the display screen corresponding to the above.

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