IEC 62056-6-2:20 23规定了通过其通信接口看到的仪表型号。使用面向对象方法定义通用构建块，以接口类的形式对从简单到非常复杂的功能的仪表进行建模。 附录A至F（资料性）提供了与某些接口类相关的附加信息 本第四版取消并取代了2017年发布的IEC 62056-6-2第三版。它构成技术修订。附录F（资料性）列出了与上一版相关的重大技术变更。

IEC 62056-6-2:2023 specifies a model of a meter as it is seen through its communication interface(s). Generic building blocks are defined using object-oriented methods, in the form of interface classes to model meters from simple up to very complex functionality.
Annexes A to F (informative) provide additional information related to some interface classes
This fourth edition cancels and replaces the third edition of IEC 62056-6-2 published in 2017. It constitutes a technical revision. The significant technical changes with respect to the previous edition are listed in Annex F (Informative).