JPH0720928A - Monitor device - Google Patents

Abstract

PURPOSE:To obtain a monitor device which can save the labor of adding a handwriting to a print result when a hard copy of the screen of a CRT is taken. CONSTITUTION:The monitor device has a display program 9 which performs the display processing of the CRT 4 and a hard copy processing program 10 which takes a hard copy of a display on the CRT 4 with a printer 1, and the display program 9 is provided with a hard copy processing part 9b to add hard copy data to display data and also enabled to make a communication with the hard copy processing program 10. Therefore, data which are not necessary for the display, but necessary at the time of hard copy processing can be added to the print result, and it is possible to not leave data which are necessary only for the display in the print result of the hard copy.

Description

Detailed Description of the Invention

[0001]

BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention relates to a monitoring device for displaying an operating state of an industrial plant or the like on a CRT and printing it by hard copy.

[0002]

2. Description of the Related Art FIG. 9 is a block diagram showing a conventional monitoring apparatus. In the figure, 1 is a printer for printing a hard copy of a monitoring screen, 2 is a printer interface for outputting print data to a printer 1, and 3 is a program. Memory, 4 is a CRT that displays a monitor screen, 5 is a frame memory that stores the contents to be displayed on the CRT 4, 6 is a graphic controller that performs drawing processing on the frame memory 5, 7
Is a man-machine interface for an operator to request a hard copy, and 8 is a CPU for controlling the whole.

FIG. 10 is a block diagram showing the flow of processing at the time of hard copy of the conventional monitoring apparatus. The same parts as those in FIG. In the figure, 9 is a display program that creates data for drawing on the CRT 4 and requests the graphic controller 6 to display, 9a is a CRT display unit having data relating to CRT display, and 10 is a hard copy request from the man-machine interface 7. Is a hard copy processing program for processing and sending to the printer interface 2, and 11 is a working memory for the hard copy processing program 10 to copy the contents of the frame memory 5.

FIG. 11 shows the display program 9 shown in FIG.
3 is a flowchart showing the flow of the processing of FIG. In the figure, step ST50 is a process of creating data to be displayed on the CRT 4, and step ST51 is a process of sending display data to the graphic controller 6.

FIG. 12 is a flow chart showing the flow of processing of the hard copy processing program 10 in FIG. In the figure, step ST55 is a process of receiving a hard copy request from the man-machine interface 7, step ST56 is a process of copying the contents of the frame memory 5 to the working memory 11, and step ST57 is a process of copying the contents of the working memory 11 to the printer interface 2. Is a process of outputting to.

Next, the operation will be described. First, when displaying a screen on the CRT 4 in step ST50, drawing data is created by the display program 9 stored in the memory 3, and then drawing instruction is given to the graphic controller 6 in step ST51. The graphic controller 6 executes a drawing instruction and writes the display data in the frame memory 5, whereby the screen is displayed on the CRT 4.

When a hard copy of this display screen is printed, when the operator gives a hard copy instruction through the man-machine interface 7, the hard copy processing program 10 stored in the memory 3 gives this instruction in step ST55. The display data stored in the frame memory 5 is temporarily stored in the working memory 11 in step ST56.
Copy to. Next, in step ST57, the working memory 1
The data of No. 1 is output as it is to the printer interface 2. This data is output to the printer 1 and printed.

[0008]

Since the conventional monitoring apparatus is configured as described above, the display program 9 for creating the data to be displayed on the CRT 4 and the hard copy processing program 10 for determining the hard copy instruction are provided. Is a completely separate and independent information exchange between these two programs, so a hard copy is printed asynchronously with the display of the CRT4. Sometimes I could not delete unnecessary information.

Therefore, on the display on the CRT 4, the color,
Even if it is possible to distinguish the difference in the displayed contents by flicker, etc., it is impossible to distinguish the difference in the printed matter in the hard copy in which the image of CRT4 is printed in black and white as it is. It was necessary to add comments, etc. by handwriting so that the user could make a judgment while looking at it and see the difference in the print results. Also,
Even if you need the time when the hard copy was printed, CR
If the time was not displayed on T, the operator also had to add it to the print result. In addition, there are displays for the operator to operate on the screen, but these are unnecessary for the hard copy print result,
There was a problem that the print result became difficult to see.

The present invention has been made in order to solve the above problems, and when a hard copy of a screen is printed, an unnecessary display is deleted or a display is added for printing by a program. It is an object of the present invention to provide a monitoring device that can be left as a material without adding handwriting to the print result every time a hard copy is printed.

[0011]

According to a first aspect of the present invention, there is provided a monitoring device in which a display program has a function of adding data necessary for hard copy to display data and a function of communicating with a hard copy processing program. It is a thing.

According to a second aspect of the present invention, a monitoring device has a function of adding data necessary for hard copy to display data, a function of communicating with a hard copy processing program, and a function of communicating with the display program. A first memory for storing display data and a second memory for storing display data to which data necessary for the hard copy is added are provided.

A monitoring device according to a third aspect of the present invention is provided with a hard copy data memory for storing data necessary for hard copy.

[0014]

According to the first aspect of the present invention, the monitoring device once notifies the display program of a hard copy request from an operator, adds a necessary display and deletes an unnecessary display.
When the hard copy processing program outputs the print request, it is possible to automatically change the display data displayed on the screen to the hard copy printing data and print the data.

According to another aspect of the present invention, the monitoring device automatically changes the display data displayed on the screen to hard copy printing data without affecting the screen display. You can

According to the third aspect of the present invention, the monitoring device preliminarily creates data necessary for hard copy in the hard copy data memory, and the hard copy processing program stores the screen display data and the hard copy data. By matching, it is not necessary to have a process for hard copy for each display program, and the display data displayed on the screen can be automatically changed to print data for hard copy and printed.

[0017]

【Example】

Example 1. An embodiment of the invention of claim 1 will be described below with reference to the drawings. In FIG. 1, parts corresponding to those in FIG. In the figure, 9 is C
This is a display program that creates data for drawing on the RT 4 and sends a display request to the graphic controller 6, and exchanges information with the CRT display unit 9a and the hard copy processing program 10 relating to CRT display, and data required for hard copy. And a hard copy processing unit 9b having The CRT 4 constitutes a display means.

FIG. 2 shows a processing flow of the display program 9. In FIG. 2, step ST1 is a CRT.
Process to create display data for displaying screen on 4
Step ST2 is a process of requesting the graphic controller 6 to display the display data created in step ST1, step ST3 is a process of checking whether or not there is a hard copy request from the hard copy processing program 10, and step ST4 is displayed on the CRT 4 during hard copy. Process of creating display data, step ST5 is a process of requesting the graphic controller 6 to display the display data created in step ST4, and step ST6 notifies the hard copy processing program 10 that the display for hard copy is completed. Processing, step ST7 is step ST6
The process of checking the completion of the hard copy in response to the notification of the hard copy made in step ST8 is step ST8.
4, a process of creating display data for deleting the display added in step ST5, and step ST9 is a process of requesting the graphic controller 6 to display the display data created in step ST8.

FIG. 3 shows the flow of the hard copy processing program 10. In FIG. 3, step ST1
0 is a process for receiving a hard copy request from the man-machine interface 7, step ST11 is a process for notifying the display program 9 that a hard copy request has been made, and step ST12 is a display completion notification for a hard copy from the display program 9. Process for accepting, step S
T13 is a process for copying the contents of the frame memory 5 to the working memory 11, and step ST14 is a working memory 11
Is output to the printer interface 2, and step ST15 is a process of notifying the display program 9 of the completion of hard copy.

Next, the operation will be described. First, CRT
When the screen is displayed on the display screen 4, the drawing data is created by the display program 9 in step ST1 and then the step ST
In step 2, a drawing instruction is given to the graphic controller 6. The graphic controller 6 executes the drawing instruction,
By writing the display data in the frame memory 5, C
A screen is displayed on RT4.

Next, when printing a hard copy of this display screen, the operator issues a hard copy instruction through the man-machine interface 7. This instruction is given in step S
The hard copy processing program 10 receives at T10, and notifies it to the display program 9 at step ST11. on the other hand,
Upon receiving the above notification in step ST3, the display program 9 creates additional drawing data required for hard copy by the data of the hard copy processing unit 9b in step ST4, and instructs the graphic controller 6 to draw. The graphic controller 6 executes the drawing instruction and writes the display data in the frame memory 5, so that the data added to the CRT 4 is drawn. When the drawing is completed, the display program 9 is displayed in step ST6.
Notifies the hard copy processing program 10 of the completion of the display for hard copy by the hard copy processing unit 9b.

When the hard copy processing program 10 receives the notification in step ST12, the hard copy processing program 10 proceeds to step ST13.
Thus, the CRT display data on the frame memory 5 is copied to the work memory 11 and output to the printer interface 2 in step ST14. This data is sent to the printer 1 and printed. When printing is completed, the hard copy processing program 10 proceeds to step ST15.
Then, the completion of the hard copy is notified to the hard copy processing section 9b of the display program 9. On the other hand, the display program 9
When the completion notification is received in step ST7, data for deleting the drawing added at the time of hard copy is created in step ST8, and the drawing instruction is output again to the graphic controller 6 in step ST9.

Example 2. FIG. 4 shows an embodiment of the invention of claim 2, and the portions corresponding to those of FIG. 1 are designated by the same reference numerals. In FIG. 4, a CRT frame memory 5a serving as a first memory and a second frame memory
And a frame memory 5b for hard copy as a memory. FIG. 5 shows a processing flow of the display program 9, and FIG. 6 shows a processing flow of the hard copy processing program 10.

Next, the operation will be described. The display program 9 includes a CRT frame memory 5a and a hard copy frame memory 5 during CRT display in step ST20.
The graphic controller 6 is instructed to write to b and b. Then, step ST23, step ST
When there is a hard copy request from the hard copy processing program 10 by 30, the display data is created by adding and deleting the data for hard copy only to the frame memory 5b for hard copy in step ST24, and then in step ST25. Make a display request. And step ST2
6, the display program 9 is the hard copy processing program 1
By notifying the display completion to 0, the display on the CRT 4 is not affected, and the re-display after the hard copy is not necessary. Note that steps ST33 to ST35 correspond to steps ST13 to ST15 in FIG.
Processing similar to is performed.

Example 3. FIG. 7 shows an embodiment of the invention of claim 3. In FIG. 7, the hard copy data is created in advance by another program and stored in the hard copy data memory 12, and the hard copy processing program 10 also includes the CRT display data from the frame memory 5 and the hard copy data. A hard copy data processing unit 10a having a function of combining with copy data and a printer interface request output unit 10b for outputting data based on a request from the printer interface 2 are provided. Further, the display program 9 is provided only with the CRT display portion 9a.

FIG. 8 shows a processing flow of the hard copy processing program 10. Hard copy data is created in advance by another program and stored in the hard copy data memory 12. The display program 9 does not perform hard copy processing, and when the hard copy processing program 10 detects a hard copy request from the man-machine interface 7 in step ST40, the hard copy processing program 10 operates the contents of the frame memory 5 in step ST41. Copy to memory 11 for
Next, in step ST42, the hard copy data memory 1
After combining with the contents of 2, the data is output to the printer interface 2 in step ST43. This makes it unnecessary for the display program 9 to have the data and processing for each hard copy corresponding to the screen.

[0027]

As described above, according to the first aspect of the present invention, the display program has the function of adding data for hard copy and the function of communicating with the hard copy processing program. It is not necessary to add a handwriting to the print result every time a hard copy of the screen is made, and in displaying on the screen, it is not necessary to create a screen in consideration of making a hard copy.

According to the invention of claim 2, the display program has a function of adding data for hard copy and a function of communicating with the hard copy processing program, and at the same time, a memory for screen display and a memory for hard copy are provided. Since the memory is provided, the effect of the invention of claim 1 can be obtained, and there is an effect that the display of the screen is not affected when the hard copy is performed.

According to the invention of claim 3, since the hard copy data memory for storing the data added at the time of hard copy is provided, the effects of the inventions of claims 1 and 2 are obtained, and There is an effect that it is not necessary to provide a hard copy process for each display program.

[Brief description of drawings]

FIG. 1 is a block diagram showing a monitoring device according to an embodiment of the present invention.

FIG. 2 is a flowchart showing a processing flow of a display program of the above embodiment.

FIG. 3 is a flowchart showing a processing flow of a hard copy processing program of the above embodiment.

FIG. 4 is a block diagram showing a monitoring device according to an embodiment of the invention of claim 2;

FIG. 5 is a flowchart showing a processing flow of the display program of the above embodiment.

FIG. 6 is a flowchart showing a flow of a hard copy processing program of the above embodiment.

FIG. 7 is a block diagram showing a monitoring device according to an embodiment of the invention of claim 3;

FIG. 8 is a flowchart showing a processing flow of the hard copy processing program of the above embodiment.

FIG. 9 is a block diagram showing a conventional monitoring device.

FIG. 10 is a block diagram showing a relation of processing of a conventional monitoring device.

FIG. 11 is a flowchart showing a processing flow of a conventional display program.

FIG. 12 is a flowchart showing a processing flow of a conventional hard copy processing program.

[Explanation of symbols]

 DESCRIPTION OF SYMBOLS 1 printer 4 CRT (display means) 5a frame memory for CRT (first memory) 5b frame memory for hard copy (second memory) 9 display program 9b hard copy processing unit 10 hard copy processing program 12 data memory for hard copy

Claims (3)

[Claims] 1. Display data showing a state of a monitored object is displayed on a screen of a display means based on processing of a display program, and a hard copy of the display data is processed by a hard copy processing program in response to a hard copy request. In a monitoring device configured to perform printing by a printer based on the above, a hardware that is provided on the display program and that adds data necessary for the hard copy to the display data and that communicates with the hard copy processing program. A monitoring device having a copy processing unit. 2. Display data showing the state of the monitored object is displayed on the screen of the display means based on the processing of the display program, and a hard copy of the display data is processed by the hard copy processing program in response to a hard copy request. In a monitoring device configured to perform printing by a printer based on the above, a hardware that is provided on the display program and that adds data necessary for the hard copy to the display data and that communicates with the hard copy processing program. A second processing unit, a first memory for storing display data to be displayed on the display unit, display data to which data necessary for the hard copy is added are stored, and read by the hard copy processing program. A monitoring device provided with a memory. 3. Display data showing the state of the monitored object is displayed on the screen of the display means based on the processing of the display program, and a hard copy of the display data is processed by the hard copy processing program in response to a hard copy request. In a monitoring device configured to perform printing based on the above, a monitoring device is provided with a hard copy data memory that stores data necessary for the hard copy and is read by the hard copy processing program.