Concept design for a Web-based supervisory control and data-acquisition (SCADA) system

Rapidly advancing hardware and software technologies have made it possible to develop a new generation of supervisory control and data-acquisition (SCADA) system. The Web-based SCADA system described here consists of intelligent RTUs, each of which has a modularized hardware architecture and supports HTTP protocol, and a distributed master station, which has a Web server/browser structure and decomposes the SCADA functions into multiple sets of Web site components. Both the hardware design and software development for this Web-based SCADA system have been carried out in accordance with well-proven architecture modules, allowing the system to benefit from numerous available technologies and giving it added flexibility and scalability.

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