Why use the OPC UA Client ?
- Free OPC UA client tool
- Essential tool for developers, system integrators, and automation professionals
- Used to test OPC UA communications
- Enables testing, exploration, and troubleshooting of OPC UA server connections
- Supports OPC UA information models
- Supports OPC UA security features
- Provides access to Alarms, and Conditions
- Provides access to real-time data
- Provides access to historical data
Yes, our OPC UA Client is completely free with no limitations on usage time, number of connections, or features. It is designed to support the OPC UA community and help professionals test and validate their OPC UA implementations.
The client supports all standard OPC UA information models including Data Access, Alarms & Conditions, and Historical Access. It also works with custom information models and companion specifications for specific industries.
While the tool is primarily designed for testing and development, its robust features make it suitable for temporary monitoring and troubleshooting in production environments. For permanent production monitoring, consider our commercial SIOTH and OPC UA products.
The client is designed to work with any OPC UA server that supports OPC Foundation specifications. It automatically adapts to different server configurations and information models, ensuring broad compatibility.
The client supports all OPC UA security modes including None, Sign, and Encrypt, along with various security policies. It includes built-in certificate management and supports both anonymous and username/password authentication.
OPC UA Client Resources
Product Datasheet
Comprehensive technical specifications and features overview
User Guide
Step-by-step installation and configuration guide



