对于楼宇自动化和控制系统应用及楼宇管理（BACS）领域的家用或楼宇电子系统（HBES），本文件规定了一类多应用总线系统的通用规则，其中功能分散并通过通用通信过程连接。本文件规定了产品和系统的基本要求。这些要求也适用于家庭或楼宇控制系统中连接的任何设备的分布式功能，前提是该设备或系统没有特定标准。 购买本文件时可获得的所有当前修订均包含在购买本文件中。

This document specifies, as for Home or Building Electronic Systems (HBES) for the domain of Building Automation and Control System Application and Building Management (BACS), common rules for a class of multi-application bus systems where the functions are decentralised and linked through a common communication process. This document specifies the basic requirements for products and systems. The requirements can also apply to the distributed functions of any equipment connected in a home or building control system if no specific standard exists for this equipment or system.All current amendments available at time of purchase are included with the purchase of this document.