A WebViewer is an ActiveX component that allows a browser to behave as an Elipse E3 Viewer, viewing and controlling Elipse E3 applications via Internet. This way, users can view and interact with a plant floor process using Internet Explorer, which can be installed on any computer on the network with access to an E3 Server.

After installed, a WebViewer works exactly as an Elipse E3 Viewer, downloading the application, such as Screens and bitmaps, to the local computer. All Elipse E3 Viewer functionality, such as E3Chart and E3Alarm, is supported on a WebViewer.