System and method for communication for a supervisory control and data acquisition (SCADA) system

• US 6,950,851 B2
• Filed: 04/05/2001
• Issued: 09/27/2005
• Est. Priority Date: 04/05/2001
• Status: Active Grant

• Current Assignee: DJ Osburn Management LLC
• Original Assignee: Douglas C. Osburn III
• Inventors: Osburn, Douglas C. III
• Primary Examiner(s): Barot, Bharat
• Application Number:
  US09/826,578
• Publication Number:
  US 20020147808A1
• Time in Patent Office: 1,636 Days
• Field of Search: 709200-203, 709223-224, 709/227, 709228-230, 700/9, 700/22, 700/286, 700/17, 700/28, 700/83, 700/295, 702/1, 702 60- 62
• US Class Current: 709/203
• CPC Class Codes: H04L 67/12 specially adapted for proprietary or special-purpose networking environments, e.g. medical networks, sensor networks, networks in vehicles or remote metering networks
• CPC Class Codes: H04L 69/329 in the application layer [OSI layer 7]
• CPC Class Codes: H04L 9/40 Network security protocols
• CPC Class Codes: Y04S 40/18 Network protocols supporting networked applications, e.g. including control of end-device applications over a network

Abstract

A method and apparatus for communication for a supervisory control and data acquisition (SCADA) system, the SCADA system comprising: an enterprise server; at least one intelligent electronic device (RTU), wherein the RTU measures a physical process and stores digital data representative of the measurement in a memory area for transmission; a configuration tool (AES) linking the SCADA server with the RTU; a connection device (TAC) for installing the SCADA system on related software program; a gel encapsulation layer (GEL), the method comprising the steps of: (1) communicating a command from the enterprise server to said RTU via the AES to configure said RTU; (2) permitting said RTU to receive data input and to store said data; and (3) transmitting said data back from the RTU to the enterprise server.

Claims

1. A system for communication for a supervisory control and data acquisition (SCADA) system, the SCADA system comprising:

(a) an enterprise server;

(b) at least one intelligent electronic device (RTU), wherein the RTU measures a physical process and stores digital data representative of the measurement in a memory area for transmission; and

said RTU has software that includes a generic encapsulation layer (GEL) and automation software;

(c) a communication software (AES) linking the enterprise server with the at least one RTU wherein the AES is adapted to simultaneously handle multiple types of telemetry and different SCADA protocols of the at least one RTU for measurement and control; and

wherein a configuration is communicated to the at least one RTU using the AES.

2. The system of claim 1, wherein said at least one RTU continues to operate said automation software while receiving communication commands and executing reconfiguation commands.

3. The system of claim 1, wherein said AES continues communicating with connected RTUs while an additional enterprise server is added to the SCADA system.

4. The system of claim 1, wherein said AES continues communicating with connected RTUs while an additional enterprise server is removed from the SCADA system.

5. The system of claim 1, wherein said AES continues communicating with connected RTUs while an additional RTU is added to the system.

6. The system of claim 1, wherein said AES continues communicating with connected RTU'"'"'s when an RTU is deleted from the system.

7. The system of claim 1, wherein said at least one RTU is configured with configuration software (ARME).

8. The system of claim 1, wherein said AES utilizes separate configuration software.

9. A method for communication for a supervisory control and data acquisition (SCADA) system, the SCADA system comprising:

(a) communicating a command from the enterprise server to at least one RTU using AES to configure the at least one RTU;

wherein the AES is adapted to simultaneously handle multiple types of telemetry and different SCADA protocols of the at least one RTU for measurement and control;

(b) permitting the at least one RTU to receive data input and to store said data; and

(c) transmitting said data bark from the at least one RTU to the enterprise server with AES resident thereon.

10. The method of claim 9, wherein a configuration is communicated to the at least one RTU without the use of primary signal injection equipment using the AES.

11. The method of claim 9, wherein said RTU comprises:

(a) an analog-to-digital converter (ADC) for measuring the physical process and converting the measurements into a digital representations of the measured values;

(b) a memory area for storing digital representations of the measured value;

(c) at least one processor in communication with said ADC and said memory area, said processor operating upon said digital representation of the measured values according to a predetermined function, and said processor selectively moving said digital representation of the measured values to said memory area;

(d) a command register for storing communication commands, said command register being in communication with said processor such that said processor moves said digital representation of the measured values to said memory area when the command register contains an enabling communication command;

(e) at least one bidirectional port in communication with the AES and enterprise server for transmitting said digital representation of the measured values to the enterprise server from the at least one RTU via the AES; and

(f) wherein said bidirectional port receives digital representation of the measured values from the AES such that said processor reconfigures the at least one RTU.

12. The method of claim 11, further comprising automation software in said at least one RTU for performing at least one of the activities:

meter utilities, detect abnormal operating conditions, perform data processing, control operating conditions and combinations thereof.

13. The method of claim 11, wherein said bidirectional port is in electrical communication with the AES.

14. The method of claim 11, wherein said input port, output port, or combination thereof is in electrical communication with the AES.

15. The method of claim 9, wherein said RTU comprises:

(a) an analog-to-digital converter (ADC) for measuring the physical process and converting the measurements into a digital representations of the measured values;

(b) a memory area for storing digital representations of the measured value;

(c) at least one processor in communication with said ADC and said memory area, said processor operating upon said digital representation of the measured values according to a predetermined function, and said processor selectively moving said digital representation of the measured values to said memory area;

(d) a command register for storing communication commands, said command register being in communication with said processor such that said processor moves said digital representation of the measured values to said memory area when the command register contains an enabling communication command;

(e) an input port in communication with the AES and enterprise server for transmitting said digital representation of the measured values from the enterprise server to the at least one RTU via the AES and wherein said processor reconfigures the RTU;

(f) an output port in communication with the AES and enterprise server for transmitting digital representation of the measured values from the at least one RTU via the AES to the enterprise server.

16. The method of claim 15, further comprising automation software in said at least one RTU for performing at least one of the activities:

meter utilities, detect abnormal operating conditions, perform data processing and control operating conditions.

17. The method of claim 15, wherein said bidirectional port is in wireless communication with the AES.

18. The method of claim 15, wherein said input port, output port, or combination thereof is in wireless communication with the AES.

19. The method of claim 9, further comprising the step of continuing to operate said RTU and said automation software while receiving communication commands and executing reconfiguration commands.

20. The method of claim 9, further comprising the step of configuring the at least one RTU with a first configuration software (ARME).

21. The method of claim 9, further comprising the step of configuring the AES, with a second configuration software.

22. The method of claim 9, wherein said AES continues communicating with connected RTUs while an additional enterprise server is added to the SCADA system.

23. The method of claim 9, wherein said AES continues communicating with connected RTUs while an additional enterprise server is removed from the SCADA system.

24. The method of claim 9, wherein said AES continues communicating with connected RTUs while an additional RTU is added to the system.

25. The method of claim 9, wherein said AES continues communicating with connected RTU'"'"'s when an RTU is deleted from the system.

26. A system for communication for a supervisory control and data acquisition (SCADA) system, the SCADA system comprising:

(a) an enterprise server;

(b) at least one intelligent electronic device (RTU), wherein the RTU measures a physical process and stores digital data representative of the measurement in a memory area for transmission; and

said RTU has software that includes a generic encapsulation layer (GEL) and automation software;

(c) a communication software (AES) linking the enterprise server with the at least one RTU, wherein the RTU comprises;

(i) an analog-to-digital converter (ADC) for measuring the physical process and converting the measurements into a digital representations of the measured values;

(ii) a memory area for storing digital representations of the measured value;

(iii) at least one processor in communication with said ADC and said memory area, said processor operating upon said digital representation of the measured values according to a predetermined function, and said processor selectively moving said digital representation of the measured values to said memory area;

(iv) a command register for storing communication commands, said command register being in communication with said processor such that said processor moves said digital representation of the measured values to said memory area when the command register contains an enabling communication command;

(v) at least one bidirectional port in communication with the AES and enterprise server for transmitting said digital representation of the measured values to the enterprise server from the RTU via the AES; and

(vi) wherein said bidirectional port receives digital representation of the measured values from the AES such that said processor reconfigures the RTU.

27. The method of claim 26, wherein said automation software of said at least one RTU can perform at least one of the activities;

meter utilities, detect abnormal operating conditions, perform data processing, control operating conditions and combinations thereof.

28. The system of claim 26, wherein said bidirectional port is in electrical communication with the AES.

29. The system of claim 26, wherein said bidirectional port is in wireless communication with the AES.

30. The system of claim 26, wherein said at least one RTU continues to operate said automation software while receiving communication commands and executing reconfiguation commands.

31. The system of claim 26, wherein said AES continues communicating with connected RTUs while an additional enterprise server is added to the SCADA system.

32. The system of claim 26, wherein said AES continues communicating with connected RTUs while an additional enterprise server is removed from the SCADA system.

33. The system of claim 26, wherein said AES continues communicating with connected RTUs while an additional RTU is added to the system.

34. The system of claim 26, wherein said AES continues communicating with connected RTU'"'"'s when an RTU is deleted from the system.

35. The system of claim 26, wherein said RTU is configured with configuration software (ARME).

36. The system of claim 26, wherein said AES utilizes separate configuration software.

37. The system of claim 26, wherein the configuration is communicated to the at least one RTU without the use of primary signal injection equipment using the AES.

38. A system for communication for a supervisory control and data acquisition (SCADA) system, the SCADA system comprising:

(a) an enterprise server;

(b) at least one intelligent electronic device (RTU), wherein the at least one RTU measures a physical process and stores digital data representative of the measurement in a memory area for transmission; and

said at least one RTU has software that includes a generic encapsulation layer (GEL) and automation software;

(c) a communication software (AES) linking the enterprise server with the at least one RTU, wherein the at least one RTU comprises;

(i) an analog-to-digital converter (ADC) for measuring the physical process and converting the measurements into a digital representations of the measured values;

(ii) a memory area for storing digital representations of the measured value;

(iii) at least one processor in communication with said ADC and said memory area, said processor operating upon said digital representation of the measured values according to a predetermined function, and said processor selectively moving said digital representation of the measured values to said memory area;

(iv) a command register for storing communication commands, said command register being in communication with said processor such that said processor moves said digital representation of the measured values to said memory area when the command register contains an enabling communication command;

(v) an input port in communication with the AES and enterprise server for transmitting said digital representation of the measured values from the enterprise server to the at least one RTU via the AES and wherein said processor reconfigures the RTU;

(vi) an output port in communication with the AES and enterprise server for transmitting digital representation of the measured values from the RTU via the AES to the enterprise server.

39. The method of claim 38, wherein said automation software at said at least one RTU can perform at least one of the activities;

meter utilities, detect abnormal operating conditions, perform data processing and control operating conditions.

40. The system of claim 38, wherein said input port, output port, or combination thereof is in electrical communication with the AES.

41. The system of claim 38, wherein said input port, output port, or combination thereof is in wireless communication with the AES.

42. The system of claim 38, wherein said at least one RTU continues to operate said automation software while receiving communication commands and executing reconfiguation commands.

43. The system of claim 38, wherein said AES continues communicating with connected RTUs while an additional enterprise server is added to the SCADA system.

44. The system of claim 38, wherein said AES continues communicating with connected RTUs while an additional enterprise server is removed from the SCADA system.

45. The system of claim 38, wherein said AES continues communicating with connected RTUs while an additional RTU is added to the system.

46. The system of claim 38, wherein said AES continues communicating with connected RTU'"'"'s when an RTU is deleted from the system.

47. The system of claim 38, wherein said RTU is configured with configuration software (ARME).

48. The system of claim 38, wherein said AES utilizes separate configuration software.

49. The system of claim 38, wherein the configuration is communicated to the at least one RTU without the use of primary signal injection equipment using the AES.