IEC 61804-4:2015 specifies EDD interpretation for EDD applications and EDDs to support EDD interoperability. This document is intended to ensure that field device developers use the EDDL constructs consistently and that the EDD applications have the same interpretations of the EDD. It supplements the EDDL specification to promote EDDL application interoperability and improve EDD portability between EDDL applications. This first edition cancels and replaces IEC TR 61804-4 published in 2006. This edition constitutes a technical revision. This edition includes the following significant technical changes with respect to the previous edition: - New paragraph: EDDL data description; - EDDL METHOD programming and usage of builtins; - Edit session; - Offline and online configuration; - EDDL communication description and Enhancements in paragraph EDDL user interface descriptions.

IEC/TR 61804-4 Ed. 1.0