IEC-62541-5 Complete Document History
OPC Unified Architecture - Part 5: Information Model

Complete Current Edition:
   EDITION 3.0 - Part 5: Information Model - July 1, 2020

Obsolete Revision Information:
   EDITION 2.0 - Part 5: Information Model - March 25, 2015
   EDITION 1.0 - PART 5: INFORMATION MODEL, OPC UNIFIED ARCHITECTURE - Oct. 1, 2011