DIN EN 50491-11-2016 家用和建筑电子系统(HBES)以及建筑自动控制系统(BACS)的通用要求.智能计量.应用规格.简单外部消费显示器;德文版本EN 50491-11-2015
General requirements for Home and Building Electronic Systems (HBES) and Building Automation and Control Systems (BACS) - Part 11: Smart Metering - Application Specifications - Simple External Consumer Display; German version EN 50491-11:2015