BS EN 50491-12-2:2022

General requirements for Home and Building Electronic Systems (HBES) and Building Automation and Control Systems (BACS). Smart grid. Application specification. Interface and framework for customer. Interface between the Home / Building CEM and Resource manager(s). Data model and messaging | Status: Current

1 Scope 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.