.NET Framework, COM and Excel Development

Besides the actual library assemblies, applications developed with OPC Studio require that the software described below is present on the target system.

.NET Framework - you need (at least) one of the following:

• .NET Framework 4.7.2
• .NET Framework 4.8
• .NET Framework 4.8.1

Note that

• .NET Framework 4.7.2 is included with Windows 10 version 1803 (April 2018 Update), version 1809 (October 2018 Update), Windows Server versions 1803 and 1809, and Windows Server 2019.
• .NET Framework 4.8 is included with Windows 10 version 1903 (May 2019 Update) and later.
• .NET Framework 4.8.1 is included in Windows September 2022 Release (Version 22621).

 

In some special cases, you may want to install other prerequisites – please refer to Prerequisites Boxing under Advanced Topics.

.NET 6+ Development

.NET 6 or 8

If you are using a framework-dependent deployment (FDD), it is necessary that proper version of .NET 6 or 8 is installed on the target system. If you are using a self-contained deployment (SCD), there are usually no deployment prerequisites other than using a supported operating system and hardware.

See OPC Data Client Required .NET Runtimes or OPC Wizard Required .NET Runtimes for more information about the support .NET versions, and also OPC Data Client Required Operating Systems or OPC Wizard Required Operating Systems. For more information about deployment types in .NET, see the Microsoft's article .NET application publishing overview.

Python Development

For OPC Studio applications in Python, you need either the .NET Framework, or .NET 6+. Refer to the paragraphs above for more information.