BS EN IEC 62541-19. OPC Unified Architecture. Part 19. Dictionary Reference
Edition 2024-01-26

BS EN IEC 62541-22. OPC Unified Architecture. Part 22. Base Network Model
Edition 2024-01-26

BS EN IEC 62541-23. OPC Unified Architecture. Part 24. Scheduler
Edition 2024-01-26

BS EN IEC 62541-23. OPC Unified Architecture. Part 23. Common ReferenceTypes
Edition 2024-01-26

OPC unified architecture - Part 22: Base network model (IEC 65E/1047/CDV) (english version)
Edition 2024-03-01

OPC unified architecture - Part 23: Common referencetypes (IEC 65E/1048/CDV) (english version)
Edition 2024-03-01

OPC unified architecture - Part 19: Dictionary reference (IEC 65E/1044/CDV) (english version)
Edition 2024-03-01

Validation Methods for MIL-STD-1760D Mission Stores
Edition 2009-10-28

Electricity metering data exchange – The DLMS®/COSEM suite - Part 8-12: Communication profile for Low-Power Wide Area Networks (LPWANs) (Endorsed by Asociación Española de Normalización in December of 2023.)
Edition 2023-12-01

Communications protocol to transport satellite delivered signals over IP networks (Endorsed by AENOR in July of 2014.)
Edition 2014-07-01