IEC 62453-1:2025 RLV

IEC 62453-1:2025 RLV contains both the official IEC International Standard and its Redline version. The Redline version is available in English only and provides you with a quick and easy way to compare all the changes between the official IEC Standard and its previous edition. IEC 62453-1:2025 presents an overview and guidance for the IEC 62453 series. It • explains the structure and content of the IEC 62453 series (see Clause 5); • provides explanations of some aspects of the IEC 62453 series that are common to many of the parts of the series; • describes the relationship to some other standards; • provides definitions of terms used in other parts of the IEC 62453 series. This third edition cancels and replaces the first edition published in 2016. This edition constitutes a technical revision. This edition includes the following significant technical changes with respect to the previous edition: a) introduction of a new implementation technology (defined in IEC TS 62453-43); b) introduction of an OPC UA information model for FDT (defined in IEC 62453-71).