OPC UA Products

OPC UA SDKs & Toolkits

Download BoxC++ SDK (Download)

Download BoxANSI C SDK (Download)

Download Box.NET SDK (Download)

Download BoxJava SDK (Download)

OPC UA Products

Download BoxUaExpert (Download)

Download BoxUaGateway (Download)


OPC UA Book Cover

The first OPC Unified Architecture Book, written by Wolfgang Mahnke, Stefan-Helmut Leitner and Matthias Damm one of the OPC UA trainers for Unified Automation.

Upcoming Events


de.gifErlangen, Apr 11–14

de.gifErlangen, Jun 13–16

de.gifErlangen, Sep 20–23

de.gifErlangen, Nov 28–Dec 1

Shows, Fairs, Exhibitions

de.gifHannover Messe, Apr 25–29, 2016

de.gifOPC Day Europe, Jun 23, 2016

de.gifIT2Industry@Automatica, Jun 21–24, 2016

de.gifSPS/IPC/Drive, Nov 22–24, 2016

Product News


New UaExpert V1.4.2—Service Release

A new service release of UaExpert, our full-featured OPC UA Client, is available for download. This version contains bug fixes and a new version of the UaStack. See CHANGELOG.txt for more details. Download Evaluation Versionmore »


New UaModeler V1.4.3—Service Release

A new service release of UaModeler is available in our Download Area. It fixes several bugs. This version fixes some modeling and code generation issues. Download Evaluation Versionmore »


New .NET based OPC UA Client/Server SDK V2.4.2—Service Release

A new Service Release of the .NET based OPC UA Client Server SDK Bundle is available for download (supports VS2008, VS2010 and VS2012, as well as and .NET Framework 3.5 SP1, 4.0 SP1 and 4.5). This new Service Release comes with...more »

General News

trade-show booth


Trade Shows, Fairs and Exhibitions 2016

Unified Automation will participate in several events this year.more »



Training Schedule 2016

The new Training Schedule for 2016 is out now. more »



OPC UA is Enhanced for Publish-Subscribe (Pub/Sub)

The enhanced communication mechanism in OPC UA is the foundation for planned real time capabilities of the OPC Standard. The SDKs of Unified Automation are used for prototyping within the OPC UA working group.more »