JP3432324B2 - Program creation device - Google Patents

Description

Detailed Description of the Invention

[0001]

BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention relates to a program creating device for creating a display program for a display device connectable to a programmable controller.

[0002]

2. Description of the Related Art A programmable controller is used to sequentially control a controlled device.
Further, a display device is connected to the programmable controller to display the state of data stored in the programmable controller and various information. The display operation of this display device is controlled by a display program created in advance. The display program describes what kind of character or graphic is displayed at what position on the screen, and what kind of signal is displayed when a signal is given from the programmable controller.

FIG. 14 is a block diagram showing the configuration of a general programmable controller and a display device. The programmable controller 200 of FIG. 14 includes a control program storage unit 201, a control program execution unit 202, a data storage unit 203, and a communication unit 204. The programmable controller 200 includes input devices (not shown) such as switches and sensors, electromagnetic switches, relays,
Output devices (not shown) such as solenoids and motors are connected.

The control program storage unit 201 stores a control program for sequentially controlling the controlled equipment. The control program execution unit 202 executes the control program stored in the control program storage unit 201. The data storage unit 203 stores data such as device information. The communication unit 204 manages communication with the display device 100. Here, the device information includes an input state from an input device, an output state to an output device, and an internal relay (input relay, output relay and auxiliary relay) set on a control program, a timer, a counter, a data memory, etc. This is information indicating the state. A device is a name indicating an area on a memory provided for storing device information, and a device number is a number used to identify each device.

On the other hand, the display device 100 includes a display program storage section 101, a display program execution section 102, and a display section 1.
03, the communication unit 104 and the input unit 105. A display program is stored in the display program storage unit 101. The display program execution unit 102 executes the display program stored in the display program storage unit 101. The display unit 103 displays the state of data, graphics and characters in the data storage unit 200 of the programmable controller 200 according to the display program executed by the display program execution unit 102. The communication unit 104 manages communication with the programmable controller 200. Input section 10
Reference numeral 5 is used for inputting various commands and various data.

The control program of the programmable controller 200 is a programmable controller program creation device (hereinafter referred to as PLC program creation device).
And is stored in the control program storage unit 201 via the communication unit 204. On the other hand, the display program of the display device 100 is created by the display device program creation device, and the display program storage unit 1 is created via the communication unit 104.
It is stored in 01.

FIG. 15A is a diagram showing an example of a control program creation screen in the PLC program creation device. When creating a control program, a ladder diagram is used as shown in the figure. In the figure, devices 51, 53
Is an internal relay, and the device 52 is a data memory. The device number M0001 is assigned to the device 51, the device number D0001 is assigned to the device 52, and the device number M0002 is assigned to the device 53.
Is assigned. Further, below the device 52, “production quantity” is described as a comment.

FIG. 15B is a diagram showing an example of a display program creation screen in the display device program creation apparatus. In the figure, a frame 54 is provided on the right side of the "production quantity". The data in the data storage unit 203 of the programmable controller 200 is displayed in the frame 54.

[0009]

When a display program for the display device 100 is created by the conventional program creating device for a display device, it is necessary to input characters from the keyboard in order to write characters on the creation screen. In the example of FIG. 15A, the character "production quantity" is input from the keyboard.

When the device information in the data storage unit 203 of the programmable controller 200 is displayed at a predetermined position on the created screen, a device number corresponding to the device information must be assigned to the predetermined position on the screen. I have to. In the example of FIG. 15B, the device number corresponding to the “production quantity” is assigned to the frame 54. For that purpose, it is necessary to know that the device number corresponding to the “production quantity” is D0001 on the control program of the programmable controller 200. Therefore, when allocating the device number on the display program creation screen, it is necessary to analyze the control program and grasp the correspondence between the comment and the device number on the control program.

As a result of the above, there is a problem that a very complicated work is required for inputting a comment on the creation screen and assigning a device number, which takes time and is apt to cause an error.

It is an object of the present invention to provide a program creation device which can easily write a comment on a screen displayed by a display program of a display device. Another object of the present invention is to provide a program creation device capable of easily allocating identification information for identifying a storage location in a programmable controller on a screen displayed by a display program of a display device.

[0013]

[Means for Solving the Problems]

(1) First Invention A program creating device according to a first invention is a program creating device for creating a display program for controlling a display operation of a display device connectable to a programmable controller, and a screen creating means, An extracting means, a copying means and a program storing means are provided.

The screen creating means creates a screen displayed by the display program. The extraction means extracts an annotation character from the programmable controller program created by the programmable controller program creating device. The display means displays the annotation character extracted by the extracting means. The copying means copies the annotation character displayed by the display means on the screen created by the screen creating means. The program storage means stores the screen information created by the screen creation means as a display program.

(2) Second Invention A program creating apparatus according to a second invention is the program creating apparatus according to the first invention, wherein the extracting means is
It includes a reading means for reading an annotation character file containing an annotation character created together with the program for the programmable controller by the programmable controller program creating device.

(3) Third Invention A program creating apparatus according to a third invention creates a display program for controlling a display operation of a display device connectable to a programmable controller having a storage unit for storing data. A program creating device, which comprises a screen creating means, an extracting means, a displaying means, a copying means, an allocating means, and a program storing means.

The screen creating means creates a screen displayed by the display program. The extracting means extracts, from the programmable controller program created by the programmable controller program creating device, identification information for identifying a storage position in the storage unit of the programmable controller and annotation characters corresponding to the identification information. The display means displays the identification information and the annotation character extracted by the extracting means. The copying means copies the annotation character displayed by the display means on the screen created by the screen creating means. The allocating means allocates the identification information displayed by the display means on the screen created by the screen creating means. The program storage means stores, as a display program, the correspondence between the screen information created by the screen creation means and the identification information allocated by the allocation means and the screen information.

(4) Fourth Invention A program creating apparatus according to a fourth invention is the program creating apparatus according to the third invention, wherein the extracting means is
The reading means reads the comment character file including the identification information and the comment character created together with the program for the programmable controller by the programmable controller program creating device.

(5) Fifth Invention A program creating apparatus according to a fifth invention is the same as the program creating apparatus according to the third or fourth invention, but further comprises character input means, setting means and writing means. Is. The character input means inputs an annotation character on the screen created by the screen creating means. The setting means sets the identification information for identifying the storage position in the programmable controller corresponding to the annotation character on the screen created by the screen creating means. The writing unit writes the annotation character input by the character input unit and the identification information set by the setting unit in the programmable controller program creation device as an annotation character file.

[0020]

In the program creating device according to the first and second aspects of the present invention, the comment characters are extracted from the program created by the program creating device for the programmable controller, and the extracted comment characters are displayed. The displayed annotation characters can be copied by the copying means on the screen created by the screen creating means. The screen information created by the screen creating means is stored as a display program.

Therefore, the annotation character can be easily described on the screen created by the screen creating means. Particularly, in the program creating device according to the second invention,
The annotation character file created by the programmable controller program creating device is read and displayed.

In the program creation device according to the third to fifth inventions, the identification information for identifying the storage position in the storage section of the programmable controller and the annotation character corresponding to the identification information are extracted from the program for the programmable controller. , The extracted identification information and annotation characters are displayed. The displayed annotation characters can be copied on the screen created by the screen creating means by the copying means, and the displayed identification information can be allocated on the screen created by the screen creating means by the allocating means. . The screen information created by the screen creating means and the correspondence between the identification information assigned by the allocating means and the screen information are saved as a display program.

Therefore, the annotation character can be easily described on the screen created by the screen creating means, and the identification information can be displayed on the screen created by the screen creating means in correspondence with the program for the programmable controller. Can be easily assigned.

In particular, in the program creating device according to the fourth aspect of the present invention, the annotation character file created by the programmable controller program creating device is read and displayed.

Further, in the program creating device according to the fifth aspect of the present invention, the annotation characters can be input by the character input means on the screen created by the screen creating means, and the screen created by the screen creating means is displayed. The identification information for identifying the storage position in the programmable controller corresponding to the annotation character can be set by the setting means.
The comment character input on the screen and the set identification information are written as a comment character file in the programmable controller program creation device.

Therefore, when the program for the programmable controller is created by the program for the programmable controller, the annotation information file can be used to easily allocate the identification information in correspondence with the display program. As a result, the work of creating the programmable controller program by the programmable controller program creating device becomes easy.

[0027]

Embodiments of the present invention will now be described in detail with reference to the drawings. FIG. 1 is a block diagram showing the configuration of a program creating device according to an embodiment of the present invention. The program creation device 1 of FIG. 1 is composed of, for example, a personal computer, and a program creation device 10 for a display device for creating a display program and a program creation device for a programmable controller (hereinafter referred to as PLC) for creating a control program. It is referred to as a program creation device) 20.

The display device program creation device 10 and the PLC program creation device 20 are connected to an input unit 31, a display unit 32 and a communication unit 33. The input unit 31 is
It is used to input a program when creating a display program and when creating a control program. In addition, the display unit 32 displays a display program creation screen created by the display device program creation device 10, a control program creation screen created by the PLC program creation device 20, and the like. The communication unit 33 includes the display device program creation device 10 and the PLC program creation device 20.
The display program and the control program created by are transmitted to the display device and the programmable controller, respectively.

The display device program creation device 10 includes a screen creation unit 11, a screen file storage unit 12, a comment file read / write unit 13, and a comment file storage unit 1.
Including 4. On the other hand, the PLC program creation device 20
Control program creation unit 21, control program storage unit 22
And a comment file storage unit 23.

The screen creating section 11 creates a screen to be displayed by the display device as a display program. The screen file storage unit 12 stores the display program created by the screen creation unit 11 as a screen file. The comment file read / write unit 13 is a comment file storage unit 2.
The comment file saved in 3 is read, or the comment file created together with the display program by the screen creating unit 11 is written in the comment file saving unit 23. The comment file storage unit 14 stores the comment file read by the comment file read / write unit 13 or the comment file created by the screen creation unit 11.

The control program creating section 21 creates a control program for the programmable controller together with a comment file. The control program storage unit 22 stores the control program created by the control program creation unit 21. The comment file storage unit 23 stores the comment file created by the control program creation unit 21.

Next, a display program creating process in the display device program creating apparatus 10 shown in FIG. 1 will be described with reference to FIGS. Here, PLC
It is assumed that the control program creation device 20 creates the control program shown in FIG. 3A together with the comment file shown in FIG. 3B. In FIG. 3 (a),
The device number D0010 is assigned to the device 60, and the “production quantity” is described as a comment below the device 60. Further, the device number M0015 is assigned to the device 61, and “emergency stop” is described as a comment below the device 61. Figure 3 (b)
In the comment file 70 shown in, the device number D00
“Production quantity” is stored as a comment corresponding to 10, and “emergency stop” is stored as a comment corresponding to the device number M0015.

Hereinafter, the program creating device 10 for the display device
A case of creating the screen shown in FIG. 3C will be described with reference to the comment file 70. In FIG. 3C, “production quantity” is displayed as a comment at a predetermined position on the screen, and predetermined device information is displayed in a frame 80 on the right side of the “production quantity”. Further, the button 81 is displayed at a predetermined position on the screen, and “emergency stop” is displayed as a comment in the button 81.

FIG. 2 shows a program creation device 10 for a display device.
5 is a flowchart showing a display program creation process in FIG. 4 to 15 are diagrams showing an example of a creation screen in the display device program creation device 10.

First, the screen creating section 11 performs a background screen creating process (step S1). Thereby, as shown in FIG. 4, the button 81 is displayed on the screen displayed by the display unit 32. Next, the screen creation unit 11 shifts to device number allocation and character writing processing (step S2).
The program creator uses the PLC program creation device 20.
The comment file to be used is designated among the comment files created with the control program (step S3).

If the specified comment file exists in the comment file saving section 23 (step S
4), the comment file reading / writing unit 13 reads the specified comment file and stores the comment file in the comment file storage unit 14 (step S
5).

If the contents of the comment file have already been created (step S6), the screen creating section 11 opens the comment file reference window 90 on the screen displayed by the display section 32, as shown in FIG. The comment file stored in the comment file storage unit 14 is displayed in the comment file reference window 90 (step S7). In the example of FIG. 5, the device number D00
"Production quantity" is associated with 10 and the device number M0
“Emergency stop” is associated with 015.

Next, the screen creating section 11 sets a comment and assigns a device number on the screen using the displayed comment file (step S8). As shown in FIG. 6, the "production quantity" in the comment file reference window 90 is displayed using a pointing device such as a mouse.
Is copied to a predetermined position on the screen. Next, as shown in FIG. 7, the device number D0010 in the comment file reference window 90 is assigned to the frame 80 on the right side of the "production quantity" using the pointing device. Further, as shown in FIG. 8, "emergency stop" in the comment file reference window 90 is copied into a button 81 on the screen using a pointing device. Finally, as shown in FIG. 9, the device number D0015 in the comment file reference window 90 is assigned to the button 81 on the screen using the pointing device.

The screen creating section 11 creates a correspondence between the screen information created in this way and the device number assigned by referring to the comment file reference window 90 as a display program, The created display program is saved as a screen file in the screen file saving unit 12 (step S9).

If the contents of the comment file are not created in step S6, the program creator inputs a comment and assigns a device number on the screen using the input unit 31 (step S10). As shown in FIG. 10, the characters "production quantity" and "emergency stop" are entered on the screen from the keyboard, the device number D0010 is assigned to the frame 80 on the right side of the "production quantity", and the device number is assigned to the button 81. Allocate M0015.

After that, the screen creating section 11 displays the comment file reference window 90 on the screen as shown in FIG.
Is displayed and the comment file stored in the comment file storage unit 14 is displayed in the comment file reference window 90 (step S11). In the example of FIG. 11,
Only the device number is stored in the comment file.

The program creator copies the comment on the screen to the corresponding position in the comment file (step S12). As shown in Figure 12, "Production quantity" on the screen
Is copied to the position corresponding to the device number D0010 in the comment file reference window 90, and "emergency stop" is copied to the position corresponding to the device number M0015 in the comment file reference window 90.

Finally, the comment file read / write unit 1
3 writes the created comment file in the comment file storage unit 23 of the PLC program creation device 20 (step S13). As a result, the comment file 70 shown in FIG.
Stored in. As a result, the PLC program creating device 20 can use the comment file 70 saved in the comment file saving unit 23 when creating the control program of the programmable controller.

For example, the PLC program creation device 20
It is assumed that the control program creating section 21 of FIG. 13 creates the control program shown in FIG. Here, the program creator assigns the device number D001 to the device 60.
0 is assigned, and the device number M0015 is assigned to the device 61.
When the control program creation unit 21 refers to the comment file 70, the control program creation unit 21 describes the “production quantity” as a comment below the device 60 to which the device number D0010 is assigned, and the device 61 to which the device number M0015 is assigned. Describe "emergency stop" as a comment below.

As described above, by referring to the comment file 70, the work of creating the control program is simplified. On the other hand, if the comment file specified in step S4 does not exist, the comment file read / write unit 13 of the display device program creation device 10
A new comment file is created and stored in the comment file storage unit 14 (step S14). Step S
Similarly to 10, the program creator inputs a comment and assigns a device number on the screen using the input unit 31 (step S15).

The screen creation unit 11 opens a comment file reference window on the screen and displays the comment file stored in the comment file storage unit 14 in the comment file reference window (step S16). No device number or comment is stored in the comment file displayed here.

The program creator uses the pointing device to copy the comment and device number on the screen to the comment file in the comment file reference window (step S17). Finally, the comment file read / write unit 13 writes the created comment file in the comment file storage unit 23 of the PLC program creation device 20 (step S18).

As described above, according to the display device program creating apparatus 10 in the present embodiment, the comment file saved in the comment file saving unit 23 of the PLC program creating apparatus 20 is displayed on the creation screen and displayed. The comment in the created comment file can be copied on the creation screen, and the device number corresponding to the comment can be assigned on the creation screen. Device numbers can be easily assigned.

The display device program creation device 10
Since the comment on the creation screen and the corresponding device number can be written in the comment file in the comment file storage unit 23 of the PLC program creation device 20, the comment file is created when the PLC program creation device 20 creates the control program. Can be used. Therefore, it becomes easy to create a control program by the PLC program creating device 20.

[0050]

According to the first and second aspects of the present invention, when the display program is created, the comment characters of the program created by the programmable controller program creation device can be used, so that the comment characters can be displayed on the screen. The work of writing is facilitated, and the work of creating a display program is facilitated.

According to the third to fifth inventions, when the display program is created, the identification information created by the programmable controller program creation device and the corresponding annotation character are extracted, and the extracted annotation character is displayed on the screen. Since it can be copied and the extracted identification information can be allocated on the screen, it is easy to write the comment characters on the screen and allocate the identification information while keeping the correspondence with the program for the programmable controller. , The display program creation work becomes easy.

In particular, according to the fifth aspect of the invention, the annotation character input on the screen and the set identification information at the time of creating the display program are written as an annotation character file in the programmable controller program creating device. The comment character file can be used when a program is created by the program creating device. Therefore, the work of creating a program by the program creating device for a programmable controller is facilitated.

[Brief description of drawings]

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

FIG. 2 is a flowchart showing a display program creating process in the display device program creating apparatus shown in FIG.

FIG. 3 is a diagram showing an example of a control program creation screen, a diagram showing an example comment file, and an example of a display program creation screen.

FIG. 4 is a diagram showing an example of step S1 in the display program creation processing of FIG.

5 is a diagram showing an example of step S7 in the display program creation process of FIG.

6 is a diagram showing an example of step S8 in the display program creation processing of FIG.

7 is a diagram showing an example of step S8 in the display program creation processing of FIG.

8 is a diagram showing an example of step S8 in the display program creation processing of FIG.

9 is a diagram showing an example of step S8 in the display program creation processing of FIG.

10 is a diagram showing an example of step S10 in the display program creation process of FIG.

11 is a diagram showing an example of step S11 in the display program creation processing of FIG.

12 is a diagram showing an example of step S12 in the display program creation processing of FIG.

FIG. 13 is a diagram for explaining processing when a comment file created by the display device program creation device is used in the programmable controller program creation device.

FIG. 14 is a block diagram showing a configuration of a general programmable controller and a display device.

FIG. 15 is a diagram illustrating an example of a control program creation screen and an example of a display program creation screen.

[Explanation of symbols]

DESCRIPTION OF SYMBOLS 1 Program creation device 10 Program creation device for display device 11 Screen creation unit 12 Screen file storage unit 13 Comment file read / write unit 14 Comment file storage unit 20 Program creation device for programmable controller 21 Control program creation unit 22 Control program storage unit 23 Comment File Saving Area 31 Input Area 32 Display Area 33 Communication Area 70 Comment File 90 Comment File Reference Window

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Claims (5)

(57) [Claims] 1. A program creating device for creating a display program for controlling a display operation of a display device connectable to a programmable controller, comprising: a screen creating means for creating a screen displayed by the display program. Extraction means for extracting annotation characters from the programmable controller program created by the programmable controller program creation device, display means for displaying the annotation characters extracted by the extraction means, and screen created by the screen creation means Program creation, comprising: copy means for copying the annotation characters displayed by the display means, and program storage means for saving information of the screen created by the screen creating means as a display program. apparatus. 2. The program creating method according to claim 1, wherein the extracting means includes a reading means for reading an annotation character file including an annotation character created together with the program for the programmable controller by the programmable controller program creating device. apparatus. 3. A program creating device for creating a display program for controlling a display operation of a display device connectable to a programmable controller having a storage unit for storing data, the screen being displayed by the display program. Screen creating means, and identification information for identifying a storage position in the storage unit of the programmable controller from the program for the programmable controller created by the programmable controller program creating device, and an annotation character corresponding to the identification information. Extracting means for extracting, display means for displaying the identification information and the annotation character extracted by the extracting means, and copying the annotation character displayed by the display means on a screen created by the screen creating means Copying means, and the screen Allocating means for allocating the identification information displayed by the display means on the screen created by the creating means, information on the screen created by the screen creating means, and the identification information allocated by the allocating means and the screen And a program storage means for storing the correspondence relationship with the information of 1. as a display program. 4. The extracting means includes a reading means for reading a comment character file including the identification information and the comment character created together with the program for the programmable controller by the programmable controller program creating device. 3. The program creation device described in 3. 5. A character input unit for inputting an annotation character on the screen created by the screen creating unit, and a storage position in the programmable controller corresponding to the annotation character on the screen created by the screen creating unit. Setting means for setting identification information for identifying, and writing means for writing the annotation character input by the character input means and the identification information set by the setting means in the programmable controller program creation device as an annotation character file. The program creation device according to claim 3 or 4, further comprising: