PLCopen and OPC Foundation release first results to the public

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Manufacturer-independent information and communication architecture

PLCopen and OPC Foundation release first results to the public
PLCopen and OPC Foundation release first results to the public

PLCopen and OPC Foundation combine their technologies to a platform and manufacturer-independent information and communication architecture. This mix of OPC Unified Architecture (UA) and IEC 61131-3 creates interesting options for the realization of automation structures. Objective is to increase the reusability of controllers and visualization modules and their communication - in the long run the efficiency of the engineering process clearly increases.

The first step for the joined working group was the mapping of the IEC 61131-3 software model to the OPC UA information model leading to a standard way how OPC UA server-based controllers expose data structures and function blocks to OPC UA clients like HMIs.

This first step was achieved in a very short time followed by first implementations demonstrated at the SPS/IPC/Drives show 2009 in Nuremberg. Now the technical specification “OPC UA Information Model for IEC 61131-3” version 0.09.1 is published as Release for Comments till February 19, 2010. This evaluation phase will be followed by the final release expected for April 2010.

Posted on December 8, 2009 - (8614 views)
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