professional software made in Germany

Which system components require the PLCcom.Opc.Ua.Sdk?2022-09-08T10:14:17+02:00

The following system components are required for the operation of PLCcom:

  • Microsoft .NET Framework 4.7.2 or newer (.Net Version) or
  • .Net Core 3 (.Net Version) or newer or
  • .Net Standard 2.1 or newer (.Net Version) or
  • Java SDK 1.8 / JRE 8 or newer (Java-Version) or
  • openJRE/openJDK 8 or newer (Java-Version)

To execute code examples:

  • Visual Studio 2017 or newer (.Net version)
  • Netbeans Oxigen or newer (Java)
Which files do I need to reference in my software?2022-09-08T10:14:17+02:00

To use the .Net / WinCE-component you have to refer to the PLCcom.Opc.Ua.Sdk.dll.

When using the Java component, a reference to the files ist necessary.
Furthermore, the folder "thirdparty" with all files included in the delivery package must be present.
It is best to copy these files and folders into your [jdk HOME]/jre/lib/ext or [jre HOME]/lib/ext directory, the Java environment used by your development environment.

Does PLCcom.Opc.Ua.Sdk also run in 32-Bit- and 64-Bit-environments?2022-09-08T10:14:17+02:00

Yes, PLCcom runs in 32-Bit- and 64-Bit-environments.

Are OS-API calls necessary to operate PLCcom.Opc.Ua.Sdk2022-09-08T10:14:17+02:00
The libraries are, depending on the version, to 100% Java or .Net code.
You can embed the file directly as a link; API calls are not necessary.
It is no problem to use the component in 32- or 64-Bit-environments, as well as across platforms.
Where can I find programming examples and the documentation?2022-09-08T10:14:17+02:00

In the download package, extensive programming example objects, as well as a HTML documentation are included.

A quick start guide for the respective version can be found under the following links:



Download current version of documentation:



What should be considered when using PLCcom in a network?2022-09-08T10:14:17+02:00

The network participants must be able to connect with the network. The Connection and ports must not be interrupted by a firewall or similar.

How can I understand the basic principle of the PLCcom license model?2022-09-08T10:14:17+02:00
The license model of PLCcom is kept as simple as possible.
All licenses are made available as developer licenses.
The fee-based professional license entitles a developer for industrial/commercial development of individual software (definition see EULA) with the PLCcom component.
Can I use PLCcom non-commercial, free of charge for teaching purposes at a school/university?2022-09-08T10:14:17+02:00

If you need a free license for non-commercial usage for schools or universities please contact us via e-mail You'll receive a serial key as soon as possible.

How can I get the licenses?2022-09-08T10:14:17+02:00

To get the licenses you have the following possibilities:

  • on our website
  • by sending an email to
  • by phone at +49 421 989703-30
  • by fax to +49 421 989703-39
How is the license within the PLCcom Runtime to install?2022-09-08T10:14:17+02:00

You must transfer the submitted license key within your software to the PLCcom entity.

Extensive examples can be found in the online documentation or the delivered software package.

In our company the number of employees who work on a project keeps changing. Therefore, the number of licenses required changes. Is there a possibility for a flat-rate licensing?2022-09-08T10:14:17+02:00

Please contact us in this case. We will then create an offer for a company license.

Is the passing of the license to my clients possible?2022-09-08T10:14:17+02:00

No, if your customer wants to make a further development of your software, the customer needs an own license.

What type of OPC servers can I connect with PLCcom.Opc.Ua.Sdk?2022-09-08T10:14:17+02:00

PLCcom is compatible with all OPC servers that support the OPC UA specification of the OPC Foundation.

Only OPC UA servers are supported, servers according to the old OPC classic standard (DCOM) are not supported.

What happens to my data after registration?2022-09-08T10:14:17+02:00
The data entered by you will be kept confidential in accordance with the Federal Data Protection Act and the General Data Protection Regulation GDPR.
A processing of the data occur only for internal purposes, such as the management of licenses, newsletter etc. A disclosure to third parties is excluded.


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