JPH07120188B2 - Graphite generator unit - Google Patents

Description

The present invention relates to a graphic generator device for creating or modifying graphic screens for plant monitoring.

[Prior Art] With the increase in complexity of monitored devices such as power plants, monitoring using a graphic screen has come to be performed. The unit computer that monitors the plant inputs the process amount and state amount of the plant and displays them on the CRT display device as a graphic screen. In such a unit computer, different graphic screens are registered for each monitoring system. Graphic screen, for example, main steam pipe,
From the fixed data section that represents high pressure and low pressure turbines, etc., and the updated data section that represents the process quantities such as the turbine feed pump "start / stop", turbine drain valve "open / close" and turbine speed. Data of each display format, display color designation, display coordinates, etc. is stored in the fixed data information table and the update data information table.

When the addition or change of the plant monitoring system occurs, it is necessary to create, modify and test the graphic screen. To create and modify this graphic screen, create a fixed data information table and an updated data information table using an input device such as a keyboard, modify it, create it on the CRT display device, and display the modified graphic screen for testing. Was there.

Creation, modification, and testing of graphic screens are performed by the unit computer or the management computer. The management computer is a computer that is not engaged in plant monitoring. It may be regarded as another unit computer that is not engaged in plant monitoring due to plant inspection or the like.

[Problems to be Solved by the Invention] When creating, modifying, and testing a graphic screen on a unit computer, the CRT display device and input device of the unit computer are used. Therefore, it was not possible to monitor the plant while creating, modifying and testing the graphic screen on the unit computer.

When creating and modifying a graphic screen on the management computer, the CRT display device and input device of the management computer are used, so that the unit computer can monitor the plant during that time. However, the management computer displays the state quantity from the plant displayed in the update data section,
Since it does not have a plant database of plant data such as process quantities, it is not possible to test the graphic screen created or modified. Therefore, the fixed data information table created and modified by the management computer and the update data information table are once registered in the unit computer, the plant data of the data point number set in the update data information table is input from the database, and the unit A graphic screen must be displayed and confirmed on the CRT display device of the computer. If there is an error in the fixed / updated data information table, it must be corrected again by the management computer, so the work efficiency was low.

Further, in order to confirm the alarm state, the plant data is set to the alarm state value in a pseudo manner, which may adversely affect other monitoring functions of the unit computer.

An object of the present invention is to obtain a graphic generator device capable of creating, modifying, and testing a graphic screen without affecting the monitoring function of a computer during plant monitoring.

[Means for Solving the Problems] In order to achieve the above object, in the present invention, a first database for storing plant data, which is a process amount and a state amount of a plant, and data information, which is display information on a graphic screen. A graphic screen data storage memory for storing a table, and a first display device for displaying a graphic screen based on the plant data of the first database and the data information table of the graphic screen data storage memory are provided. A first computer for monitoring, a data way device connected to the first computer for data transmission, and a second data storage device for storing plant data sent from the first database via the data way device. Database, the data information table that is the display information on the graphic screen. And a second display device for displaying a graphic screen based on the created and modified data information table and the plant data of the second database. A second computer that is connected to the computer and is not engaged in plant monitoring, and a data information table that is provided in the first computer and that is sent from the second computer via the data way device to the graphic. A graphic generator device comprising: a registration unit for registering in a screen data storage memory.

[Operation] In the apparatus configured as described above, the data information table of the graphic screen for monitoring the plant is created and modified by the graphic creating means of the second computer that is not engaged in monitoring the plant. The plant data of the first database of the first computer is sent to the second database of the second computer via the data way device, and the sent plant data and the created and modified data information table are also included. A graphic screen is displayed on the second display device. The created and modified data information table is sent to the first computer via the data way device and registered in the graphic screen data storage memory by the registration means.

[Embodiment] An embodiment of the present invention will be described below with reference to FIGS. 1 and 2.

FIG. 1 is a block diagram of an embodiment of a graphic generator device of the present invention.

At least one management computer 5, which is a second computer not engaged in plant monitoring, includes a graphic creating means 6 for creating and modifying a fixed data information table and an updated data information table on a graphic screen, and an arbitrary unit computer. Display means 13 is provided for displaying a graphic screen on the CRT display device 12 using the plant data loaded from 1 and 2 and the fixed / updated data information table created by the graphic creation means 6.

A plurality of unit computers 1 and 2 which are the first computers have a database 11 for capturing and storing plant data of process amount and state amount from a plant, a graphic in which a fixed data information table and an update data information table are registered. Registration means 14 for registering the screen data storage memory 3 and the fixed / updated data information table created by the graphic creation means 6 in the graphic screen data storage memory 3.
And a CRT display device 4 for displaying a graphic screen for monitoring.

A data way device 7 that enables data transmission is provided between the unit computers 1 and 2 and the management computer 5, and the unit computer 1, 2 and the management computer 5 transmit data to the data way device 7. , Data way transmitting / receiving means 8, 9 and 10 for receiving are provided.

The plurality of unit computers 1 and 2 use the fixed data information table and the updated data information table registered in the graphic screen data storage memory 3 and the plant data stored in the database 11 to display the CRT display device 4. A graphic screen is displayed to monitor it.

When newly registering a graphic screen in the unit computers 1 and 2, the graphic creation means 6 of the management computer 5 is used to create a fixed / updated data information table of the graphic screen. When performing a test on the created fixed / updated data information table, the management computer 5 uses the data way transmitting / receiving means 8, 9, 10 and the data way device 7 to make a database 11 of any unit computer 1 or 2.
Import the plant data of. The display means 13 displays a graphic screen on the CRT display device 12 using the imported plant data and the fixed / updated data information table. When modifying this graphic screen,
The update data information table is modified by the graphic creating means 6, and the graphic screen is again CR by the display means 13.
Display it on the T display device 12 and check it.

The fixed / updated data information table of the completed graphic screen is sent from the management computer 5 to the unit computers 1 and 2. The registration means 14 of the unit computers 1 and 2 fetches the fixed / updated data information table via the data way transmitting / receiving means 8, 9, 10 and the data way device 7, and newly stores the fixed / updated data information table in the graphic screen data storage memory 3. Register as an update data information table.

The unit computers 1 and 2 display a graphic screen selected from a plurality of fixed / updated data information tables registered in the graphic screen data storage memory 3 to monitor the plant.

FIG. 2 is a more detailed block diagram of an embodiment according to the present invention.

FIG. 2 illustrates one unit computer 1 and one management computer 5, respectively, for the sake of easy understanding, but even if there are a plurality of units, data that can be transmitted and received can be identified. Can be handled in the same way by adding.

The plant data reading means 16 of the unit computer 1 reads the plant data such as the process amount and the state amount from the plant through the plant input device 15, determines the present value and the alarm state, and periodically reads the plant data of the database 11. To update. Graphic screen data storage memory 3
In the table, fixed / updated data information tables of a plurality of graphic screens are respectively identified and registered. According to the graphic screen selected by the input device 17, the display means 18 inputs the plant data required for the fixed / updated data information table of this graphic screen from the database 11 according to the data point number, and displays the graphic screen on the CRT display device 4. To do.

The data way transmitting / receiving means 8 of the unit computer 1 includes a data transmitting means 19 and a data receiving means 20. When receiving the database read request signal a sent from the management computer 5 via the data receiving means 20, the data transmitting means 19 attaches a data index signal of plant data to all the databases of the database 11, and the data way transmitting device.
21 is sent to the data way device 7. After that, the data transmission means 19 periodically sends out the plant data updated in the database 11 to the data way device 7. Further, when the data transmitting means 19 receives the graphic screen registration request signal b from the input device 17, the data transmitting means 19 attaches a data index,
Similarly, the data way transmitting device 21 is used to send the data way device 7. The data way receiving device 22 once receives the database read request signal a sent from the data way device 7 with the data index signal and the fixed / updated data information table of the graphic screen created by the management computer 5 and once receives the data. The data is stored in the reception buffer 23, and the reception data index signal c is sent to the data receiving means 20. When receiving the received data index signal c, the data receiving means 20 sends the database read request signal a to the data transmitting means 19 and sends the fixed / updated data information table to the registering means 14. The registration means 14 obtains the memory area from the size of the data, attaches the fixed / updated data information table with the screen number that can be selected by the input device 17, and stores the graphic screen data storage memory
Register with.

Fixed by operating from the input device 24 of the management computer 5.
While displaying the update data information table on the CRT display device 12, the fixed / updated data information table is created and modified by the graphic creating means 6 and is stored in the memory area of the screen number of the graphic screen data storage memory 25 which can be identified. This graphic screen data storage memory 25
Has a memory area capable of storing a plurality of screen data, like the graphic screen data storage memory 3 of the unit computer 1. The data way transmitting / receiving means 10 of the management computer 5 includes a data transmitting means 26 and a data receiving means 27. When the data transmission means 26 receives the graphic screen registration request signal b from the unit computer 1, the fixed / updated data information table of the graphic screen data storage memory 25 is sent to the data index of the information table via the graphic screen data reading means 28. A signal is attached and sent to the data way device 7 using the data way transmitting device 29. Further, when the data transmitting means 26 receives the database read request signal a from the graphic creating means 6 generated by the operation of the input device 24, the data transmitting means 26 attaches the data index signal of this request signal a, and similarly the data way transmitting device 29 is operated. It is sent to the data way device 7 by using it. Data way receiver 30
Is a reception buffer once the graphic screen registration request signal b sent from the data way device 7 with a data index signal, the entire database stored in the unit computer 1 and the plant data sent periodically are fetched.
31 and stores the received data index signal d in the data receiving means 27.
Send to. When the data receiving means 27 receives the received data index signal d, it sends the graphic screen registration request signal b to the graphic screen data reading means 28, copies the entire database to the database 32, and then sends the database 32 with the plant data sent. To update. The display means 13 causes the CRT display device 12 to display the fixed / updated data information table stored in the graphic screen data storage memory 25 and the plant data stored in the database 32 in response to the display request signal e from the input device 24. Display a graphic screen.

A procedure for creating a graphic screen with the management computer 5 and registering it in the unit computer 1 with the above configuration will be described.

The display means 18 of the unit computer 1 displays a graphic on the CRT display device 4 based on the plant data of the database 11 which is periodically updated and the fixed / updated data information table registered in the graphic screen data storage memory 3. A screen is displayed so that the unit computer 1 monitors the plant.

In the management computer 5, by operating the input device 24, the fixed / updated data information table is displayed on the CRT display device 12 using the graphic creating means 6, created / corrected, and registered in the graphic screen data storage memory 25.
When the registered fixed / updated data information table is tested, the input device 24 is operated to send the database read request signal a from the graphic creating means 6 to the data sending means 26. The data transmitting means 26 is a data way transmitting device.
29 is used to send a database read request signal a with a data index to the data way device 7.

The data way receiving device 22 of the unit computer 1 stores the signal a in the data receiving buffer 23 and sends the received data index signal c to the data receiving means 20. The data transmitting means 19, which has received the database read request signal a via the data receiving means 20, attaches a data index signal to all the databases, which is the entire contents of the database 11, and uses the data way transmitting device 21 to send to the data way device 7. Send out. After that, the data transmission means 19 continues to use the plant data reading means 16
A data index signal is attached to the plant data updated by, and the data is periodically sent to the data way device 7.

The data way receiving device 30 of the management computer 5 temporarily holds this entire database in the data receiving buffer 31, and at the same time, sends the received data index signal d to the data receiving means 27.
The data receiving means 27 stores all the databases in the database 32 according to the received data index signal d, and updates the corresponding contents of the database 32 with the plant data sent thereafter. The database 32 becomes the same as the contents of the database 11 of the unit computer 1 by the whole database and plant data sent from the data receiving means 27. The display means 13 uses the CRT display device 1 based on the database 32 and the fixed / updated data information table registered in the graphic screen data storage memory 25.
Display the graphic screen to 2.

In the graphic screen test, the graphic screen displayed on the CRT display device 12 is confirmed, and the plant data in the database 32 is set by the input device 24 to confirm the alarm state. If an error is found in this test, it is fixed by the graphic creation means 6.
Correct the update data information table and repeat the same test. The fixed / updated data information table completed by repeating this modification and test is registered in the memory area of the screen number that can be identified in the graphic screen data storage memory 25.

When the fixed / updated data information table created by the management computer 5 is registered in the unit computer 1, the graphic screen registration request signal b including the screen number registered in the graphic screen data storage memory 25 by operating the input device 17
To the data transmission means 19. The data transmitting means 19 uses the data way transmitting device 21 to send the graphic screen registration request signal b to the data way device 7 with the data index signal.

The data way receiving device 30 of the management computer 5 temporarily stores the graphic screen registration request signal b in the data receiving buffer 31, and at the same time, sends the received data index signal d to the data receiving means 27. The data receiving means 27 sends the graphic screen registration request signal b to the data transmitting means 26 via the graphic screen data reading means 28 according to the received data index signal d. Upon receiving the graphic screen registration request signal b, the data transmitting means 26 attaches the fixed / updated data information table and the screen number stored in the graphic screen data storage memory 25 to the data index signal via the data way transmitting device 29. Send it to the data way device 7. The data way receiving device 22 of the unit computer 1 temporarily stores the fixed / updated data information table in the data receiving buffer 23 and sends the received data index signal c to the data receiving means 20.
The data receiving means 20 sends the fixed / updated data information table and the screen number to the registration means 14 according to the received data index signal c. The registration means 14 registers this fixed / updated data information table in the memory area corresponding to the screen number of the graphic screen data storage memory 3. Thereafter, the unit computer 1 displays the CRT display device 4 on the basis of the contents of the fixed / updated data information table registered in the graphic screen data storage memory 3 and the database 11 according to the screen number selected by the input device 17. Display a graphic screen to monitor the plant.

Therefore, according to this embodiment, data transmission is performed between the unit computer 1 and the management computer 5 by using the data way transmitting / receiving means 8, 9, 10 and the display device 7. The contents of the database 32 and the contents of the database 11 of the unit computer 1 can be the same. As a result, the fixed / updated data information table created and modified by the graphic creating means 6 of the management computer 5 can be tested under the same conditions as the unit computer 1.

Further, since the graphic screen data storage memory 25 of the management computer 5 can store a plurality of screen data, if the plurality of unit computers are identified and stored by the screen numbers, the management computer 5 can be stored. The fixed / updated data information table created and modified by can be registered in the unit computer without affecting the plant monitoring function.

Further, since the database 32 of the management computer 5 and the database 11 of the unit computer 1 can have the same contents, not only the creation and modification of the graphic screen but also the test of other program functions of the unit computer that refers to this database, etc. , Can be performed by the management computer 5.

[Effect of the invention] According to the present invention, the second
This computer creates and modifies the graphic screen and transmits this graphic screen to the first computer that monitors the plant.
You can continue to monitor the plant with this computer. Moreover, since the plant data of the first computer is transmitted to the second computer, the second computer can implement the space of the graphic screen without affecting the monitoring function of the first computer.

[Brief description of drawings]

FIG. 1 is a block diagram showing an embodiment of a graphic generator device of the present invention, and FIG. 2 is a more detailed block diagram of FIG. 1,2 …… Unit calculator, 3 …… Graphic screen data storage memory, 4,12 …… CRT display device, 5 ……
Management computer, 6 ... Graphic creation means, 7 ... Data way device, 11, 32 ... Database, 14 ... Registration means.

Claims (1)

[Claims] 1. A first database for storing plant data which is a process amount and a state quantity of a plant, a graphic screen data storage memory which stores a data information table which is display information of a graphic screen, and a first database of the first database. A first display device for displaying a graphic screen based on the plant data and the data information table of the graphic screen data storage memory;
A first computer for monitoring the plant, a dataway device connected to the first computer for data transmission, and a plant data sent from the first database via the dataway device is stored. A graphic creating means for creating and modifying the second database, a data information table which is display information of the graphic screen, and a graphic screen based on the created and modified data information table and the plant data of the second database. A second computer provided with a second display device for displaying, which is connected to the data way device and is not engaged in monitoring the plant; and a second computer provided in the first computer, from the second computer to the data way. The data information table sent via the device is stored in the graphic screen data storage memo. Graphic generator apparatus characterized by comprising registration means for registering, to.