Uniform control template generating system and method for process control programming

• US 5,594,858 A
• Filed: 07/29/1993
• Issued: 01/14/1997
• Est. Priority Date: 07/29/1993
• Status: Expired due to Term

• Current Assignee: Fisher-Rosemount Systems Incorporated (Emerson Electric Company)
• Original Assignee: Fisher-Rosemount Systems Incorporated (Emerson Electric Company)
• Inventors: Blevins, Terrence L.
• Primary Examiner(s): Herndon, Heather R.
• Assistant Examiner(s): Burwell, Joseph R.
• Application Number:
  US08/098,790
• Time in Patent Office: 1,265 Days
• Field of Search: 395/155-161
• US Class Current: 715/747
• CPC Class Codes: G05B 19/0426 Programming the control sequence
• CPC Class Codes: G05B 2219/23255 Object oriented programming, OOP
• CPC Class Codes: G05B 2219/23258 GUI graphical user interface, icon, function bloc editor, labview
• CPC Class Codes: G05B 2219/23261 Use control template library
• CPC Class Codes: G05B 2219/23291 Process, graphic programming of a process, text and images
• CPC Class Codes: G05B 2219/25349 Operating system, Microsoft Windows

Abstract

A control template represents a selected function of a control process for a control environment and being used to generate a plurality of displayable views of the selected function. The template includes process control information such as algorithms and known control parameters of the control process, attribute information for the process environment such as inputs and outputs, at least one conversation set associated with the process control function information for relating specific control parameters of the control process in terms of a selected control template view and control method instructions that use the attribute information and at least one conversation set to form a process control solution. A system creates or modifies the control template.

Claims

1. A process control system which performs process control functions in a process environment using control templates, each template representing a selected process control function for a control environment and in which different control template views of a selected process control function may be displayed, the system comprising:

A. a central processing unit;

B. a plurality of control templates that can be accessed by the central processing unit wherein each control template includes;

(1) process control function information;

(2) attribute information pertaining to the process environment;

(3) a conversation set associated with the process control function information and the attribute information which enables a user to interact with the attribute information in a manner specified by a selected control template view; and

(4) control method instructions which use the attribute information and the conversation set to perform a process control function;

C. a user-interface device coupled to the central processing unit which enables a user to select a control template for display, including means for systematically prompting the user to input control template information comprising one of the attribute information, the conversation set and the control method instructions for a control template; and

D. a control template generator which includes instructions that automatically generate a control template in response to the control template information input by the user.

2. The process control system of claim 1 wherein each of said control templates includes a plurality of selectable control template views of the selected process control function.

3. The process control system of claim 1 wherein each of said control templates has a plurality of conversation sets associated with the process control function information and the attribute information.

4. The process control system of claim 1 wherein the control method instructions are created using a programming language.

5. The process control system of claim 1 further comprising a control template library for storing data representing the plurality of control templates.

6. The process control system of claim 5 wherein the control template library further comprises:

data representing a first set of control templates including predefined control templates; and

data representing a second set of control templates created by the user.

7. The process control system of claim 1 wherein each control template further includes a control template view and wherein the template generator is interconnected with the central processing unit and the user-interface device, and permits a user to edit existing control templates or create new control templates by accessing and changing the data representing the process control function information, the attribute information, the conversation set, the control method instructions, or the control template view.

8. The process control system of claim 7 wherein said template generator includes a graphics generator for allowing the user to design graphical views to be associated with the selected functions for the created or edited control template.

9. The process control system of claim 1 wherein said control method instructions are selectable by a user.

10. The process control system of claim 1 further comprising:

a display device forming a part of the user-interface device; and

a template generator interface screen viewed on the display device and having a plurality of screen prompts for selection by a user, said user-interface device enabling the user to access the attribute information and the control method instructions so as to edit or create a new control template.

11. The system of claim 1 further comprising stored equipment data that can be accessed by a user using the user-interface display for displaying the physical arrangement of equipment associated with one of the control templates.

12. The system of claim 11 further comprising display means for allowing the user to monitor the operation of the equipment with the user-interface device.

13. The system of claim 1 wherein the process control information includes one of an algorithm and a known control parameter of the control process.

14. The system of claim 1 wherein the attribute information includes information regarding one of a process input and a process output.

15. A memory including a control template representing a selected function of a control process for a process environment, the template being used to generate a plurality of displayable views of the selected function, said template comprising:

process control function information;

attribute information pertaining to the process environment;

a conversation set associated with the process control function information and the attribute information which enables a user to interact with the attribute information in a manner specified by a selected control template view;

control method instructions which use the attribute information and the conversation set to perform a process control function; and

a plurality of control template views capable of simultaneously displaying different views of the same process control function wherein each of the control template views uses the conversation set to enable a user to interact with the control process in a different manner.

16. The control template of claim 15 wherein one of the control template views reflects one of a process control engineer view, a process control operator view, a lab technician view, and a maintenance technician view.

17. The control template of claim 15 further comprising a plurality of conversation sets associated with the process control function information and the attribute information.

18. The control template of claim 15 wherein the process control function information includes one of an algorithm and a known control parameter of the control process.

19. The control template of claim 15 wherein the attribute information includes information regarding one of a process input and a process output.

20. A method of creating or editing control templates for a process control system which performs process control functions in a process environment, each template representing a selected process control function for a control environment in which different control template views of a selected process control function may be displayed, the method comprising the steps of:

A. accessing a plurality of control templates with a central processing unit wherein each control template includes;

(1) process control function information;

(2) attribute information pertaining to the process environment;

(3) a conversation set associated with the process control function information and the attribute information which enables a user to interact with the attribute information in a manner specified by a selected control template view; and

(4) control method instructions which use the attribute information and the conversation set to perform a process control function;

B. coupling a user-interface device to the central processing unit;

C. enabling a user to select a control template for display with the user-interface device;

D. systematically prompting the user to enter control template information comprising one of the attribute information, the conversation set and the control method instructions; and

E. automatically generating a control template according to instructions in response to the control template information input in step D.

21. The method of claim 20 further comprising the step of providing a plurality of selectable control template views of the selected process control function for each of said control templates.

22. The method of claim 20 further comprising the step of associating a plurality of conversation sets with the process control function information and the attribute information for each of said control templates.

23. The method of claim 20 further comprising the step of creating said control method instructions using a programming language.

24. The method of claim 20 further comprising the step of storing data representing the plurality of control templates in a control template library.

25. The method of claim 24 wherein the step of storing data representing the plurality of control templates in a control template library further comprises the steps of:

storing data representing a first set of control templates including predefined control templates; and

storing data representing a second set of control templates created by the user.

26. The method of claim 20 further comprising the steps of:

providing each control template with a control template view;

providing a template generator interconnected with the central processing unit and user-interface device; and

editing existing control templates or creating new control templates using the template generator by accessing and changing the data representing the process control function, the attribute information, the conversation set, the control method instructions, or the control template view.

27. The method of claim 26 further comprising the steps of:

including a graphics generator with the template generator; and

using the graphics generator to design graphical views to be associated with the selected functions for the created or edited control template.

28. The method of claim 20 further comprising the step of selecting a predetermined one of said control method instructions for performing the process control function.

29. The method of claim 20 further comprising the steps of:

including a display device as a part of the user-interface device;

providing a template generator interface screen to be viewed on the display device and having a plurality of screen prompts for selection by a user; and

accessing the attribute information and the control method instructions with said user-interface device so as to edit or create a new control template.

30. The method of claim 20 further comprising the steps of:

storing equipment dam; and

accessing the stored equipment data using the user-interface device for displaying the physical arrangement of equipment associated with a control template.

31. The method of claim 30 further comprising the step of monitoring the operation of the equipment with a user-interface display device.

32. The method of claim 20 further comprising the step of including one of an algorithm and a known control parameter of the control process in the process control information.

33. The method of claim 20 further comprising the step of including information regarding one of a process input and a process output as the attribute information.

34. A method for creating a process control solution using a control template which represents a selected function of a control process for a process environment to generate a plurality of displayable views of the selected function, said method comprising the steps of:

providing process control function information;

providing attribute information pertaining to the process environment;

providing a conversation set associated with the process control function information and the attribute information which enables a user to interact with the attribute information in a manner specified by a selected control template view;

generating a plurality of simultaneously displayable views of the selected function wherein each displayable view uses the conversation set to allow a user to interact with the attribute information in a different manner; and

using control method instructions to form the process control solution with the attribute information, the conversation set and the plurality of displayable views.

35. The method of claim 34 further comprising the step of relating the conversation set to control parameters of the control process in terms of a selected one of the displayable views.

36. The method of claim 35 further comprising the step of using the displayable views to reflect one of a process control engineer view, a process control operator view, a lab technician view, and a maintenance technician view.

37. The method of claim 35 further comprising the step of including one of an algorithm and a known control parameter of the control process in the process control function information.

38. The method of claim 35 further comprising the step of including information regarding one of a process input and a process output as the attribute information.

39. The method of claim 34 further comprising the step of associating a plurality of conversation sets with the process control function information and the attribute information.

40. A computer system for generating control templates used in designing control solutions for a process controller in a process control environment, said system comprising:

means for systematically prompting a user to specify a control attribute, control software for processing said attribute and a graphic representation for the unique control template;

generator means for generating a unique control template by automatically grouping the control attribute, the control software selected by the user for processing said attribute, and the graphic representation of said unique control template in a manner useable by the process controller;

a display for providing a visual interface between a user and said generator means to view said unique template;

means for allowing the user to communicate with said generator means including software which allows a user to change said control attributes, said control software, or said graphic representation of said unique control template; and

storage means for storing said unique control template to allow the user to thereafter select and recall the unique template for designing a control solution on said display.

41. A method for generating control templates used in designing control solutions in a process control environment using a computer system, said method comprising the steps of:

systematically prompting a user to specify a control attribute, control software for processing said attribute and a graphic representation for a unique control template;

generating a unique control template by grouping the control attribute, control software selected by the user for processing said attribute, and the graphic representation of said unique control template;

providing a visual interface between a user and said generator means to view said unique template;

providing an interface device including software which allows the user to communicate with said generator means to change said control attributes, said control software, or said graphic representation of said unique control template; and

storing said unique control template to allow the user to thereafter select and recall the unique template for designing a control solution on said display.