The TwinCAT OPC Server is a standardised data exchange interface. It supports the DataAccess (DA) and XML-DA specifications. DataAccess (DA) is based on the Microsoft COM technology and provides data for the client. The OPC XML-DA specification enables data exchange through XML via HTTP. Configuration of the server is carried out in a configuration tool or via XML.


TwinCAT OPC is tested as
“OPC compliant” product by the
OPC Compliance certification.

Since 1998 Beckhoff is member
of the OPC foundation.
| Technical data | TwinCAT OPC Server | TwinCAT OPC Server CE |
|---|---|---|
| Target system | Windows NT/2000/XP/Vista, Windows 7 PC (x86-compatible) |
Windows CE, CE devices |
| Min. TwinCAT level | TwinCAT I/O | |
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| Ordering information | |
|---|---|
| TwinCAT OPC Server | licence for using the TwinCAT OPC Server for accessing variables, according to OPC-DA/OPC-XML-DA specification |
| TwinCAT OPC Server CE | licence for using the TwinCAT OPC Server for accessing variables, according to OPC-DA/OPC-XML-DA specification for Windows CE platforms |
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