“The first version of the DEXPI OPC UA companion specification, a joint effort of the DEXPI group and the OPC Foundation, has been officially published on the 10th of September 2021 as the “OPC 30250-1 – UA Companion Specification for DEXPI, version 1.0”.
This companion specification enables standardized access of P&ID information following the DEXPI 1.2 specification over the OPC UA communication framework. This capability can be utilized as a basis for simple data transfer as well as more complicated use cases such as online collaboration.
The official links for the DEXPI OPC UA companion specification are: Specification: https://opcfoundation.org/developer-tools/specifications-opc-ua-information-models/opc-ua-for-dexpi/ Schemas: https://files.opcfoundation.org/schemas/DEXPI/1.0/ Online Reference: https://reference.opcfoundation.org/DEXPI/docs/
You are welcome to contact the lead of the DEXPI OPC UA working group, Dr. Nikolaos Papakonstantinou, for more information at Nikolaos.Papakonstantinou@vtt.fi.”