CSN EN IEC 62541-11 ed. 3

CSN EN IEC 62541-11 ed. 3 This part of IEC 62541 belongs to the OPC Unified Architecture standards series and defines the Information Model associated with Historical Access (HA). It particularly includes additional and complementary descriptions of the NodeClasses and Attributes needed for Historical Access, additional standard Properties, and other information and behaviour.
Original English text of CSN EN Standard.
The price of the Standard included all amendments and correcturs.