Web based interface to SCADA system

Users working in different departments in an electric power company need access to SCADA data. The problem is to provide access to SCADA data from the various locations in the company at low cost and in a secure way. An intranet and SCADA system interconnection based on industry-accepted communication standards is presented as a solution. Through a link to SCADA data acquisition and control server, a Web server from the intranet brings SCADA real-time and historical information to users via a single front end, the familiar Web browser. The presented solution provides an information layer that is independent of the operating system, lowers hardware, software and administrative costs while improving reliability and security. Through a link to the Internet, SCADA information access can be provided anywhere in the world.