OPC to Web

How to get live OPC data into a Web Browser

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The OPC DataHub offers three ways to display live data on the web: Web Data Browser - Your data on the web - no programming required

Installed with the DataHub is a web application called the Web Data Viewer. This Streaming AJAX application allows you to display data from any DataHub source, in a web browser, without having to write any code, or configure any web server settings.

Server-side Benefits

• The DataHub comes with its own built-in web server.
• Point and click configuration makes installation quick and easy.
• No server side programming is required for DDE and OPC data sources.
• The DataHub also connects to TCP/IP, MATLAB, ODBC and Excel sources of data.
• Easy to design web pages, example code and free Java applets are provided.
• Web sites can be password protected and data connections secured using SSL.
• There are effectively no limits on the number of data points.

Browser-side Benefits

• No ActiveX objects or special plug-ins to download.
• AJAX and ASP web pages work with any web browser.
• Supports ASP for producing sophisticated web reports.
• Supports AJAX to display live data in standard web browsers, hand-held devices and mobile phones.
• Supports embedded Java applets for unbeatable performance when displaying real-time data on the web.
• Java applets use the standard Sun Java engine, which is supported by most desktop web browsers.
• Fully bi-directional data flow, so you can read and write data in the web page.
• Supports an unlimited number of web users.