JP2006350778A - Data definition information transfer device - Google Patents

Abstract

<P>PROBLEM TO BE SOLVED: To obtain a data definition information transfer device which automatically generating the transmission data definition of an integrated computer on the basis of the transmission data definition of a process controller and reduces a man-hour and improves quality by eliminating the need of management and confirmation work at the integrated computer side. <P>SOLUTION: The data definition information transfer device is provided with a data management tool 6 having a data defining part 7 and a download function 11 for automatically generating a data item list file 12 from the data defining part in process data transmission between the integrated computer 2 of a plant control system and a process controller 1, wherein the integrated computer has an upload function 13 for automatically generating a data defining part 10 of the integrated computer on the basis of the data item list file generated automatically by the data management tool. <P>COPYRIGHT: (C)2007,JPO&INPIT

Description

  The present invention relates to a data definition information transfer device in process data transmission between a central computer of a plant control system and a process controller.

In data transmission between the central computer and the process controller of the conventional plant control system, the definition of transmission data is managed by both the central computer and the process controller, and the consistency of each is checked.
As a conventional technique, in a process control monitoring system in which a controller for controlling a process and a monitoring device for monitoring a process are connected by a transmission line, a tag number (data identification name) of the process input / output data of the controller, and monitoring It is known that the tag number of the screen display data of the device is shared with the tag number between the controller and the monitoring device, and the data from the controller input / output to the screen display is managed based on the tag No. (For example, refer to Patent Document 1).

Japanese Patent Application Laid-Open No. 9-54567

  In data transmission between the central computer and process controller of the conventional plant control system, the format of data definition information differs between the central computer and the process controller. It was necessary to confirm the definition with the other party. In addition, when there is a change in the transmission data, it is necessary to implement the same change in the definition of the transmission data managed by both parties, which causes problems such as an increase in man-hours and a decrease in quality due to omission of confirmation.

  The present invention has been made to solve the above-described problems. The transmission data definition of the central computer is automatically created based on the transmission data definition of the process controller, and management and confirmation work on the central computer side is performed. An object of the present invention is to provide a data definition information transfer apparatus that reduces the number of steps and improves the quality by making it unnecessary.

  In the data definition information transfer device according to the present invention, in the process data transmission between the central computer of the plant control system and the process controller, the data definition information transfer device has a data definition unit and a download function for automatically generating a data item list file from the data definition unit. The central computer has an upload function that automatically generates the data definition part of the central computer based on the data item list file automatically generated by the data management tool.

  According to this invention, since the definition of the transmission data of the central computer can be automatically created based on the definition of the transmission data of the process controller, management and confirmation work on the central computer side becomes unnecessary, man-hours are reduced, Quality can be improved.

Embodiment 1 FIG.
FIG. 1 is a functional configuration diagram showing a data definition information transfer device in process data transmission between a central computer of a plant control system and a process controller in Embodiment 1 of the present invention.
In FIG. 1, 1 is a process controller and 2 is a central computer. The process controller 1 and the central computer 2 are connected by a control LAN 3 and a gateway 4 and input / output process data. The process controller 1 has a process 5. The central computer 2 has an application 8, a process data input / output processing unit 9, and a data definition unit 10. 6 is a data management tool. The data management tool 6 has a data definition unit 7 and a download function 11 that automatically generates a data item list file 12 from the data definition unit 7. The central computer 2 has an upload function 13 that automatically generates the data definition unit 10 of the central computer 2 based on the data item list file 12 automatically generated by the data management tool 6.

Next, the operation will be described.
In FIG. 1, the data definition unit 7 of the data management tool 6 holds process data map information of the control LAN 3. The process data input / output to / from the control LAN 3 by each process 5 of the process controller 1 is designed based on the data definition unit 7. Process data input / output to / from the control LAN 3 by the central computer 2 is performed by the process data input / output processing unit 9 based on the output from each application 8 and the data definition unit 10. Here, the data definition unit 7 of the data management tool 6 and the data definition unit 10 of the central computer 2 have different uses and data storage formats, and cannot be directly linked. Therefore, in the present invention, the data management tool 6 has a download function for automatically generating the data item list file 12 by converting the process data map information of the data definition unit 7 into a data format that can be input to the central computer 2 such as text. It is provided. The central computer 2 is provided with an upload function 13 that reads the data item list file 12 automatically generated by the data management tool 6 and automatically generates the data definition unit 10 such as a relational database.
By these means, the time and labor of construction and maintenance of the data definition unit 10 can be reduced and input errors can be prevented, so that a highly reliable system can be constructed.

It is a functional block diagram which shows the data definition information transfer apparatus in the process data transmission between the central computer of a plant control system and process controller in Embodiment 1 of this invention.

Explanation of symbols

1 Process controller 2 Central computer 3 Control LAN
4 Gateway 5 Process 6 Data management tool 7 Data definition unit 8 Application 9 Process data input / output processing unit 10 Data definition unit 11 Download function 12 Data item list file 13 Upload function

Claims (1)

In the process data transmission between the central computer of the plant control system and the process controller,
A data management tool having a data definition section and having a download function for automatically generating a data item list file from the data definition section,
A data definition information transfer apparatus, wherein the central computer has an upload function for automatically generating a data definition section of the central computer based on a data item list file automatically generated by the data management tool.

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