BS EN 50491-12-2:2022

This standard BS EN 50491-12-2:2022 General requirements for Home and Building Electronic Systems (HBES) and Building Automation and Control Systems (BACS) is classified in these ICS categories:

• 91.140.50 Electricity supply systems
• 97.120 Automatic controls for household use

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.