SemOPC-UA: Introducing Semantics to OPC-UA Application Specific Methods

Standardized Smart Grid Semantics using OPC UA for Communication

As many roadmaps and studies were developed focusing on smart grid standardization a set of core standards was identified. Some of them specify own data models and thus, create a need for harmonization to enable interoperability in terms of communications. On the level of data model integration, two data models play key roles in the future smart grid. On the one hand the Common Information Mode...

Integrating KNX and OPC UA Information Model

Interoperability in all the levels of a communication architecture for automation applications cannot be easily satisfied because control devices are generally based on different technologies and communication protocols. This paper deals with the interoperability of a well-known communication standard for home and building automation, i.e. the KNX. Current literature presents several papers dem...

Practical Security Recommendations for building OPC UA Applications

OPC UA - Service-oriented Architecture for Industrial Applications

OPC Unified Architecture (OPC UA) is the new standard of the OPC Foundation providing interoperability in process automation and beyond. By defining abstract services, OPC UA provides a service-oriented architecture (SOA) for industrial applications – from factory floor devices to enterprise applications. OPC UA integrates the different flavors of the former OPC specifications into a unified ad...

Scalability of OPC-UA down to the chip level enables "Internet of Things"

Many implementations of the OPC-UA are increasingly available. Until now, use of technologies like the OPC-UA was limited to embedded systems with a sufficient amount of memory resources. OPC-UA offers a scalable feature set that could be tailored according to application demands. We believe that a key to successfully enable Internet of Things for the industrial automation applications lies in ...