OPC Unified Architecture
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OPC Unified Architecture is a cross-platform, open-source, IEC62541 standard for data exchange from sensors to cloud applications developed by the OPC Foundation. Wikipedia
Developed by: OPC Foundation
International standard: IEC62541, OPC Unified Architecture (Core, Field eXchange, Devices, Asset Management, XML Datatype Mapping)
Introduced: July 28, 2006; 17 years ago