General requirements for Home and Building Electronic Systems (HBES) and Building Automation and Control Systems (BACS) - Part 4-1: General functional safety requirements for products intended to be integrated in HBES and BACS; German version EN 50491-4-1:2012
家用和建筑电子系统(HBES)以及建筑自动化和控制系统(BACS)的一般要求第4-1部分:集成在HBES和BACS中的产品的一般功能安全要求;德文版EN 50491-4-1:2012
This European Standard sets the requirements for functional safety for HBES /BACS products and systems, a multi-application bus system where the functions are decentralised, distributed and linked through a common communication process. The requirements may also apply to the distributed functions of any equipment connected in a home or building control system if no specific functional safety standard exist for this equipment or system.