IEC 62541-11:2020 Opc统一架构 - 第11部分:历史访问
标准编号：IEC 62541-11:2020
中文名称：Opc统一架构 - 第11部分:历史访问
英文名称：OPC Unified Architecture - Part 11: Historical Access
发布日期：2020-06-23
标准范围
IEC 62541-11:20 20作为IEC 62541-11:20 20 RLV提供，其中包含国际标准及其红线版本，显示了与上一版本相比技术内容的所有变化。IEC 62541-11:20 20是OPC统一架构标准系列的一部分，定义了与历史访问（HA）相关的信息模型。它特别包括历史访问所需的节点类和属性的附加和补充描述、附加标准属性以及其他信息和行为。IEC 62541-3中规定了包括所有节点类和属性的完整地址空间模型。预定义信息模型在IEC 62541-5中定义。检测和访问历史数据和事件的服务，以及ExtensibleParameter类型的描述在IEC 62541-4.本文件包括计算和返回聚合的功能，如最小值、最大值、平均值等。信息模型和聚合的具体工作在IEC 62541-13中定义。这第三版取消并取代了2015年出版的第二版。本版构成技术修订版。与上一版相比，此版本包括以下重大技术变更:a)增加了用于确定第一历史点的新方法；b)增加了关于如何添加、插入、修改和删除注释的说明。
IEC 62541-11:2020 is available as IEC 62541-11:2020 RLV which contains the International Standard and its Redline version, showing all changes of the technical content compared to the previous edition.
The complete AddressSpace Model including all NodeClasses and Attributes is specified in IEC 62541-3. The predefined Information Model is defined in IEC 62541-5. The Services to detect and access historical data and events, and description of the ExtensibleParameter types are specified in IEC 62541-4. This document includes functionality to compute and return Aggregates like minimum, maximum, average etc. The Information Model and the concrete working of Aggregates are defined in IEC 62541-13. This third edition cancels and replaces the second edition published in 2015. This edition constitutes a technical revision. This edition includes the following significant technical changes with respect to the previous edition:
a) a new method for determining the first historical point has been added;
b) added clarifications on how to add, insert, modify, and delete annotations.
标准预览图
