统一架构 第10部分：程序

[中文适用范围]： IEC 62541-10:2025 RLV 包含官方的 IEC 国际标准及其红线版本。红线版本仅提供英文版，便于用户快速比较官方 IEC 标准与上一版之间的所有变更。IEC 62541-10:2025 定义了与 OPC 统一架构（OPC UA）中程序相关的信息模型。这包括节点类（NodeClasses）、标准属性（Properties）、方法（Methods）和事件（Events）及其相关行为和信息的描述。完整的地址空间模型（AddressSpace model），包括所有节点类和属性，详见 IEC 62541-3。用于调用方法以管理程序的服务等规定见 IEC 62541-4。附录 A 定义了一个领域下载程序的示例。本第四版取消并取代了 2020 年发布的第三版。本版构成技术修订。与上一版相比，本版包含以下重大技术变更：- 状态机（StateMachine）表格格式已统一。 [外文原描述]： IEC 62541-10:2025 RLV contains both the official IEC International Standard and its Redline version. The Redline version is available in English only and provides you with a quick and easy way to compare all the changes between the official IEC Standard and its previous edition. IEC 62541-10:2025 defines the Information Model associated with Programs in OPC Unified Architecture (OPC UA). This includes the description of the NodeClasses, standard Properties, Methods and Events and associated behaviour and information for Programs. The complete AddressSpace model including all NodeClasses and Attributes is specified in IEC 62541-3. The Services such as those used to invoke the Methods used to manage Programs are specified in IEC 62541-4. An example for a DomainDownload Program is defined in Annex A. This fourth edition cancels and replaces the third edition published in 2020. This edition constitutes a technical revision. This edition includes the following significant technical changes with respect to the previous edition: - StateMachine table format has been aligned.