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UAtoCOM  Buy or Evaluate

Version Info

UAtoCOM Converter Server

UAtoCOM is an OPC UA server with the capability to aggregate multiple OPC DA, HDA and/or AE servers. OPC UA clients can access Classic OPC DA, HDA, AE servers thru the UAtoCOM converter server.

The UAtoCOM converter makes Classic OPC servers accessible from OPC UA client applications.

UAtoCOM can be configured to handle multiple OPC DA, HDA and/or AE servers.


UAtoCOM can e.g. be used to access remote OPC servers. In combination with the Advosol COMtoUA converter server, Classic OPC clients can access remote OPC servers thru a secure UA communication link.


COMtoUA converts in the opposite direction. COMtoUA is a Classic OPC DCOM server with the capability to act as multiple OPC DA, HDA and/or AE servers. Each server is configured to a UA server endpoint and enables Classic OPC clients to access OPC UA servers.


UAtoCOM Converter Server

When to use the UAtoCOM Converter Server?
The UAtoCOM Converter Server makes Classic OPC servers accessible from OPC UA clients. UAtoCOM offer a simple way to migrate to OPC UA. The converter can be bypassed with minimal changes when OPC UA servers become available.



UAtoCOM Configuration


UAtoCOM Configuration

An easy to use configuration utility is provided for creating and editing the UAtoCOM configuration.
The configuration has two main parts:

  • The pseudo servers with their DCOM registration details and the UA server endpoint selection

  • The UA server communication configuration with the logging and certificates


UAtoCOM Converter Server Compliance Tests

The UAtoCOM Converter Server is compliance tested with the OPC Foundation Compliance Test Tool in the configuration shown in the diagram.

The Advosol Simulation OPC DA/AE and HDA are compliance tested servers and UAtoCOM is tested with the same settings but connected thru a UA bridge consisting of the UAtoCOM and COMtoUA converter server pair.


System Requirements

Windows 7/8/10 or Windows Server 2003/2008/2012



COMtoUA Converter Server Compliance Test


UAtoCOM Licenses  
UAtoCOM is sold as Single instance licenses with different functionality:
     - OPC DA functionality only
     - OPC DA/AE/HDA functionality
Without license file UAtoCOM works in evaluation mode (stops working after 30 minutes run-time) and must only be used for evaluation purposes.
Copy the purchased license file into the UAtoCOM executable directory to eliminate the restrictions. The license must match the software version. To upgrade to the current product version, download and install the current evaluation and the license file. A current subscription is required for the license key download.
The new software version will not work with an old license key file. Always backup the downloaded files. Old product version are not available for re-download.

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