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open62541: Open Source OPC UA (IEC 62541) Implementation
A robust, open-source implementation of the OPC UA standard (IEC 62541) designed for industrial automation, IoT, and M2M communication. Licensed under Mozilla Public License v2.0.
C
Added on 2025年6月26日2,820
Stars1,320
ForksC
LanguageProject Introduction
Summary
This project is a highly-optimized, open-source C library for implementing the OPC UA (IEC 62541) specification. It provides the essential building blocks for developing OPC UA clients and servers for various applications, from embedded devices to enterprise systems.
Problem Solved
Interoperability remains a significant challenge in industrial automation. OPC UA provides a unified standard for data exchange, and this project delivers a flexible, open-source implementation to facilitate its adoption across different platforms and devices.
Core Features
Full OPC UA Stack Implementation
Supports both OPC UA client and server functionalities, allowing flexible integration into various industrial architectures.
High Performance and Low Footprint
Built with performance and minimal resource usage in mind, suitable for embedded systems and resource-constrained devices.
Integrated Security Features
Provides core security features defined in the OPC UA standard, including encryption and authentication.
Tech Stack
C
C++ (for bindings/wrappers)
CMake
SSL/TLS Libraries (e.g., OpenSSL)
Use Cases
The open62541 library can be used in various industrial and M2M scenarios to enable standardized communication:
Building OPC UA Servers for Devices
Details
Implement an OPC UA server directly on an industrial device (e.g., a sensor or controller) to expose its data and functionality to other systems.
User Value
Enables devices to be easily integrated into larger control or monitoring systems using a standard protocol.
Developing Unified Monitoring & Control Clients
Details
Develop OPC UA client applications that can connect to and interact with multiple different machines and systems using a single interface.
User Value
Simplifies the development of supervisory systems by providing a consistent way to access data from diverse equipment vendors.
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