标准摘要
[中文适用范围]： 该标准适用于过程控制的功能块（FB），并指定了电子设备描述语言（EDDL），通过使用多个元素的协调工作结果来指定 FB。定义需求的子集 [外文原描述]： is applicable to Function Blocks (FB) for process control and specifies the Electronic Device Description Language (EDDL), specifies FB by using the result of harmonization work as regards several elements. defines a subset of the requirements of IEC 61804-1 (hereafter referred to as Part 1) only, while Part 1 describes requirements for a distributed system.
英文名称Function blocks (FB) for process control - Part 2: Specification of FB concept and Electronic Device Description Language (EDDL)