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 CEM and Home/Building…

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 CEM and Home/Building…

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1   Scope

This document specifies General Requirements and Architecture of an application layer interface between the Customer Energy Manager (CEM) and Smart Devices (SD) operating within the smart grid premises-side system (i.e. home or building but not industrial premises).
This document does not include requirements for:
  • – Safety;
  • – EMC;
  • – Data security; it is assumed that the underlying protocols will take the data security aspect into account;

    NOTE Although data security is not within the scope of this standard, in Clause 4 some high-level design guidelines for data security are provided.

  • – Special equipment (e.g. legacy heat pumps) with a direct physical connection to the grid, as such equipment bypasses the CEM and is not HBES/BACS enabled (covered by other standards than the EN 50491 series).