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The implementation of software based OPCUA servers on computing platforms in actuators and sensors of the field layer remains a challenge due to the protocols high memory and bandwidth prerequisites. This paper discusses encoding aspects of OPC UA binary data representations for devices with limited random access memory and low fieldbus throughput, especially focusing on single-chip microcomputing...
OPCUA is a promising candidate for achieving a vertical semantic integration of field devices in the next generation of industrial automation topologies. Microprocessing platforms embedded in sensors and actor do however not provide the memory and computing resources required to integrate OPC UA communication stacks. To enable the usage of OPC UA on limited platforms, this article introduces a dedicated,...
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