EN 50491-12-2:2022

General requirements for Home and Building Electronic Systems (HBES) and Building Automation and Control Systems (BACS) - Part 12-2: Smart grid - Application specification - Interface and framework for customer - Interface between the Home / Building CEM and Resource manager(s) - Data model and messaging EN 50491-12-2:2022

Publication date:   May 16, 2022

General information

60.60 Standard published   Apr 15, 2022


CLC/TC 205 Home and Building Electronic Systems (HBES)

European Norm

91.140.50   Electricity supply systems | 97.120   Automatic controls for household use



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This document specifies the fundamental aspects of semantic interoperability for the S2 interface and the related data exchange between a CEM and the Resource Managers within the premises. It provides a technology independent set of data models and interaction patterns in order to enable applications for Energy Management within the premises. This document does not include:
— mappings to concrete data representations (XML, JSON and similar);
— mappings to application protocols for the message passing;
— security related aspects.

Life cycle


EN 50491-12-2:2022
60.60 Standard published
Apr 15, 2022