JPH04204995A - Meter pattern display device - Google Patents

Abstract

PURPOSE:To allow the easy change of the form of meter patterns without changing logics by breaking down and registering the patterns of the various meters displayed on the display of a man-machine interface to plural display elements. CONSTITUTION:A meter pattern display request task section 14 sends a tag number, the number of a meter pattern registration table and the display position on a CRT to a meter pattern display forming section 15 by the start command of a key input. The display forming section 15 reads out the respective display elements by retrieving the registration table 12, reads input/output data out of a data storage section 13 by the tag number and sends the data to a station 1. A meter pattern registration device 16 connected to a meter pattern display processor 10 changes, deletes and adds the registration contents of the respective display elements registered in the registration table 12 by the change tool to be exclusively used for registration.

Description

[Detailed Description of the Invention] [Object of the Invention] (Industrial Application Field) The present invention relates to an instrument applied to display an instrument pattern on a display device to display process quantities, etc. for monitoring operations of processes, etc. The present invention relates to a pattern display device.

(Prior Art) In the field of process automation (PA) and factory automation (FA), operator interface stations, which are man-machine interfaces, are provided for monitoring operations. Stations for monitoring operations in such fields manage process input/output signals, parameters, status, etc. as tagged words.

In addition, the operator interface station has a CT
An R display is provided, and this CRT display displays instrument patterns as well as process input/output signals, parameters, status, etc. In displaying this instrument pattern, an instrument pattern program is created for each instrument type, for example, analog indicator, PID controller, or failure indicator.

However, note that instrument pattern programs are created for each instrument type, and when changing, deleting, or adding instrument pattern formats, such as data display 1, position, and display color, The logic of the instrument pattern program must be changed. Therefore, in order to match various instrument patterns to the intended use of the system, the logic of the instrument pattern program must be changed as described above. Therefore, the amount of work required to change the instrument pattern program becomes enormous, making it difficult to ensure the reliability of the instrument pattern program. Moreover, changing the instrument pattern program can only be done easily by software engineers.

(Problem to be Solved by the Invention) As described above, since a meter pattern program is created for each type of meter, when changing the format of a meter pattern, etc., the logic of the meter pattern program must be changed.

SUMMARY OF THE INVENTION Accordingly, an object of the present invention is to provide an instrument pattern display device that can easily change the format of an instrument pattern by changing the logic of an instrument pattern program.

[Structure of the Invention (Means for Solving the Problems) The present invention provides a man-machine interface and a plurality of displays each of which is divided into a plurality of display patterns of various instruments displayed on the display of this man-machine interface. a pattern registration means in which display data for each element is registered; a pattern display means for reading each display element of a meter specified from the man-machine interface from the instrument pattern registration means, combining them and sending them to the man-machine interface; This is an instrument pattern display device which attempts to achieve the above object by being equipped with pattern registration means for changing and setting the registered contents of each display element registered in the instrument pattern registration means.

(Function) By providing such a means, when each display element is specified from the man-machine interface, the pattern display means reads each display element of the specified instrument from the instrument pattern registration means and combines it. and send it to the man-machine interface.

As a result, a desired instrument pattern that is a combination of display elements is displayed on the man-machine interface.

The registered contents of each display element registered in the meter pattern registration means are changed and set by the pattern registration means.

(Example) Hereinafter, an example of the present invention will be described with reference to the drawings.

FIG. 1 is a functional block diagram of the meter pattern display device. Operator Interface Station (hereinafter referred to as
(abbreviated as station) 1 has a CRT display 2
and a keyboard device 3. This keyboard device 3 is provided with function keys for calling up a screen. By operating this function key, the activation command, tag number, instrument pattern registration table number, and display position on the CRT display are input manually.

On the other hand, the instrument pattern display processing device 10 displays each display element obtained by decomposing the instrument pattern into a plurality of parts, such as a tag number, tag name, pv value, engineering unit, upper and lower limits of the instrument range, bar graph, and alarm in the case of an analog indicator. Upper and lower limit bar graphs, alarm names, etc. are registered, and it has a function of reading out each display element of the instrument specified from the keyboard device 3 of the station 1, combining them, and sending them to the station 1.

The specific configuration is as follows. A plurality of instrument pattern registration tables 12 are formed in the memory section 11. Each display element of the above-mentioned instrument pattern is registered in these instrument pattern registration tables 12, and numbers rlJ, r2J, . . . are assigned to each table to distinguish them. FIG. 2 is a schematic diagram showing the registered contents of the instrument pattern registration table 12, and each display element, that is, in the figure, the abbreviation, tag number, tag name, Pv capital letter, etc. are display element numbers rlJ r2J... is registered with.

These display elements include search numbers XI (-1, 2, 3,
) is attached. In addition, these display elements include the first
Coordinates, second coordinates, display colors, etc. are registered.

Further, process input/output signals, parameters, status, etc. are stored in the data storage unit 13 with tag numbers attached.

On the other hand, the instrument pattern display request task unit 14 is activated by a start command manually entered from the keyboard device 3, and displays the tag number, the instrument pattern registration table number, and the CRT.
It has a function of sending the display position on the display to the instrument pattern display creation section 15.

The instrument pattern display creation unit 15 creates the instrument pattern registration table 12 specified by the instrument pattern registration table number.
It has a function of searching for and reading each display element, reading input/output data, etc. from the data storage section 13 based on the tag number, and combining these display elements and sending the combined input/output data, etc. to the station 1. ing.

Further, an instrument pattern registration device 16 is connected to the instrument pattern display processing device 0. This instrument pattern registration device 16 consists of a specialized tool for changing registration, and has the function of changing, deleting, adding, etc. the registered contents of each display element registered in each instrument pattern registration table 12, such as display position, display color, etc. have.

Next, the operation of the apparatus constructed as described above will be explained with reference to the flowchart of the meter pattern display program shown in FIG.

When the function keys of the keyboard device 3 are operated by the operator to enter a start command, tag number, instrument pattern registration table number, and display position on the CRT display, the start command, tag number, instrument pattern registration table number, and display are input. The position is sent to the instrument pattern display request task section 14.

This instrument pattern display request task section 14 performs step S1.
In this step, the meter pattern display creation section 15 is activated, and the tag number, meter pattern registration table number, and display position are sent to the meter pattern display creation section 15. Next, the instrument pattern display request task unit 14 sets the search number XI of the display element to "1" in step S2, and determines whether the search number XI is a spare in the next step s3.

According to this judgment, if the search number XI is not a spare, the instrument pattern display request task unit 14 performs steps S4 and S5.
, and search number XI (
-1, 2, 3, . . . ), each display element is read out in order.

First, the instrument pattern display request task unit 14 selects the display element "abbreviation" of the search number XIr1J in step s4.
is read out, and in the next step s5, the display element number "1" is read out.
", and sends the display element "abbreviation" to the CRT display 2 in the next step s6. Then, in the next step S9, "1" is added to the search number XI to set the search number XI to "2". Next, the instrument pattern display request task unit 14 determines whether the search for each display element has been completed in step slO. In this case, if the search number XI is "2" and the final value rnJ of the search has not been reached, the step Return to s3. Next, in step s4, the instrument pattern display request task unit 14 reads out the display element F tag number of the search number , the display element "tag number" is sent to the CRT display 2 in the next step s6.

Then, in the next step s9, the search number XI is set to “1”.
” is added to make the search number XI “3”.

Thereafter, by similar operations, the instrument butterfly display request task unit 14 searches each display element until the search number XI reaches the final value rnJ.

When the search for each display element is completed, each display element is combined to display one instrument pattern on the CRT display 2. In this case, each display element is displayed according to its registered first and second coordinate positions, display color, line width, etc.

At the same time, the instrument pattern display request task section 14 reads input/output data and parameters having the tag number of the same number from the data storage section 13 according to the tag number, and sends them to the CRT display. Thus, the specified instrument pattern is displayed on the CRT display together with process input/output signals and the like. FIG. 4 shows an example of each meter pattern displayed on a CRT display.

On the other hand, when changing the registered contents of each instrument pattern registration table 12, the operator
operate. Through this operation, the instrument pattern registration device 1
6 performs the registration contents of each display element registered in each instrument pattern registration table 12, such as changing, deleting, adding, etc. the display position and display color. In this case, the meter pattern registration device 16 changes the registered contents according to the display format of each display element shown in FIGS. 5 to 7. Changes in the registered contents are made to the first and second coordinates and display colors. Here, in the display format of the display elements shown in Figure 7, when MV is set to 30% and MVP is set to 40%, the display becomes the display shown on the left side of Figure 8, and when ML is set to 10% and MH to 70%. The display is as shown on the right side of FIG.

In this way, in the above-mentioned embodiment, each display element designated by station 1 is read out, combined, and sent to station 1 to display a desired instrument pattern that is a combination of each display element, and is stored in instrument pattern registration table 12. Since each registered display element can be changed and set using the instrument pattern registration device 16, the registered contents of each display element constituting the instrument pattern can be easily changed or deleted, and a desired instrument pattern suitable for the system can be created. can be displayed on the CRT display 2. Furthermore, since the instrument pattern registration device 16 is comprised of a specialized tool for changing registration, instrument patterns can be easily changed even by non-specialized software engineers.

Therefore, the reliability of instrument pattern display can be increased.

Note that the present invention is not limited to the above-mentioned embodiment, and may be modified without changing the gist thereof.

[Effects of the Invention] As described in detail above, according to the present invention, it is possible to provide an instrument pattern display device in which the format of an instrument pattern can be easily changed without changing the logic of an instrument pattern program.

[Brief explanation of the drawing]

1 to 8 are diagrams for explaining one embodiment of an instrument pattern display device according to the present invention, in which FIG. 1 is a functional block diagram and FIG. 2 is a diagram of registered contents of an instrument pattern registration table. Schematic diagram, Figure 3 is a flowchart of the instrument pattern display program, Figure 4 is a diagram showing a display example of the instrument pattern, Figures 5 to 7 are diagrams showing the display format of display elements, and Figure 8 is the display element. FIG. 3 is a diagram showing an example of display when registered in the display format of . 1... Operator interface Φ station,
2... CRT display, 3... Keyboard device, 10... Instrument pattern display processing device, 11... Memory unit, 12... Instrument pattern registration table, 13.
...Data storage unit, 14...Instrument pattern display request task unit, 15...Instrument pattern display creation unit, 16...
- Instrument pattern registration device. Applicant's agent Patent attorney Takehiko Suzue Figure 2

Claims (1)

[Claims] The man-machine interface and this man-machine
pattern registration means that registers display data for each display element obtained by decomposing each display pattern of various instruments to be displayed on a display of the interface into a plurality of parts; and each display element of the instrument specified from the man-machine interface. pattern display means for reading out the data from the instrument pattern registration means and sending the combined result to the man-machine interface; pattern registration means for changing and setting registered contents of each display element registered in the instrument pattern registration means; An instrument pattern display device comprising: