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Don't take our word for it! download the OPC Web Client today and try it for yourself!

Current OPC Web Client Version: 3.02 Build 1086.1

or click here

Customers upgrading from a previous version should read the What's new in 3.02 document.

What's included with the demo?

  • OPCData.NET Components
  • OPC Web Client ActiveX Controls
  • OPC Web Client Web Service
  • "Greenhouse" OPC Server (for Testing with)
  • Full documentation
  • Example source-code for most popular development languages and platforms.

What "limitations" does the demo impose?

Only one! Once the OPC Web Client is connected to an OPC Server, it will run for 30 Minutes. After this time, the connection to the OPC Server will stop. You will then need to restart your application.

Converting the demo to the full-version:

The demo is essentially the full product. Upon purchasing the product, you will receive an "license file". A program called the License Manager is installed with the OPC Web Client which is used to install licenses and to remove the demo restrictions of the product, turning it into the full-version software.


  • Windows NT, 2000, XP or 2003
  • Disk space: approx. 35mb (full installation)
  • CPU - anything sufficient enough to run an OS listed above
  • Internet Explorer 5.5 or higher

Optional "requirements":

  • Microsoft .NET framework 1.1 - if using the Web Service
  • IIS - if creating a web-based application/HMI etc. using the Web Service

Other downloads:

Other downloads such as the Help file (included in the demo) and source-code etc. is available in the Support tab and our Code Center.

How to get started:

The OPC Web Client contains everything you need to start developing an OPC client, it even includes an OPC Server that you can use to practice reading/writing to.

Check out our code center: http://codecenter.softwaretoolbox.com/

Click here to go to the support section where you will find tutorials and source code for a multitude of programming languages and environments...

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