OPC基金会
OPC基金会：https://opcfoundation.org
Core Components
经典版--样本和工具：https://opcfoundation.org/developer-tools/samples-and-tools-classic
经典版--核心组件：https://opcfoundation.org/developer-tools/samples-and-tools-classic/core-components/
官网注册下载
OPC UA
OPC统一架构（白皮书）：https://opcfoundation.org/resources/brochures/
PDF：
旧版：https://opcfoundation.org/wp-content/uploads/2015/09/OPC-UA-Interoperability-For-Industrie4-and-IoT-CN-v3.pdf
新版：https://opcfoundation.org/wp-content/uploads/2020/09/OPC-UA-Interoperability-For-Industrie4-and-IoT-CN-v11s.pdf
github
OPCFoundation：https://github.com/OPCFoundation
OPC UA 开源库（SDK）
https://github.com/eclipse/milo
OPC UA Client
UAExpert
https://www.unified-automation.com/downloads/opc-ua-clients/uaexpert.html
OPC UA 文章
- OPCUA标准java实现 Milo库 - Chiva Studio - CSDN博客：https://blog.csdn.net/q932104843/article/details/86664236
- OPC UA 的本质：https://blog.csdn.net/yaojiawan/article/details/88990351