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    • Smart IoT Highway
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Logo
  • SIOTH® Platform
    • Smart IoT Highway
      IT-OT-IIoT IntegrationAugmented AIVisualization & Monitoring
      SIOTH® Related Products
      SIOTH® SCADAMQTT Universal BrokerOPC UA Universal Server
      See it in action
      Download NowWatch Demo Video
  • OPC Products
    • Featured Products
      OPC UA WrapperOPCNet Broker DA HDA AE OPC UA Universal ServerOPC Easy ArchiverOPC UA Proxy
      OPC Servers
      OPC Server for ModbusOPC Server for DatabasesOPC UA Server for DatabasesOPC Server for SNMP OPC UA Server Simulator - Full Edition
      OPC Development Kits
      OPC UA Client ToolkitOPC UA Sever ToolkitOPC .NET Client Toolkit
  • Resources
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      FAQWhite PapersSuccess StoriesDocumentation
      Learning
      OPC DemosSIOTH DemosWebinars
  • Contact
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Login
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  • SIOTH® Platform
    • Smart IoT Highway
      IT-OT-IIoT Integration
      Seamlessly integrate your IT and OT in a secure way
      Augmented AI
      Leverage predictive analytics, ML/AI models combined with logic rules, workflows and fault propagation
      Visualization & Monitoring
      Configure web-based SCADA and dashboards
      SIOTH® Related Products
      SIOTH® SCADA
      Web SCADA enabling monitoring in minutes
      MQTT Universal Broker
      Unify Your OT Data with MQTT
      OPC UA Universal Server
      Unify Your OT Data with OPC UA
      See it in action
      Download Now
      Download your free SIOTH trial and start configuring your data flows
      Watch Demo Video
      Configure the OPC UA Universal Server, built in minutes using SIOTH
  • OPC Products
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      OPCNet Broker DA HDA AE
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      OPC Server for Databases
      OPC UA Server for Databases
      OPC Server for SNMP
      OPC UA Server Simulator - Full Edition
      OPC Development Kits
      OPC UA Client Toolkit
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OPC UA Client Toolkit

Build OPC UA Clients in .NET Without Complexity

A fast, reliable toolkit for developing feature-rich OPC UA client applications in .NET and with free runtime distribution.

OPC UA Client Toolkit Overview

Everything You Need to Build Secure OPC UA Clients in .NET

  • High-performance .NET toolkit for building OPC UA client applications
  • Simplifies OPC UA protocol complexity through an intuitive API
  • Full support for OPC UA Data Access, Alarms and Conditions, and Historical Data
  • Seamless connectivity to local and remote OPC UA servers
  • Supports multiple simultaneous OPC UA server connections
  • Built-in support for UA TCP and HTTPS transport protocols
  • Comprehensive security support including secure sessions and encryption
  • Certificate and authentication management built into the toolkit
  • Ready-to-use C# and VB.NET sample projects for faster development
  • Compatible with both 32-bit and 64-bit .NET applications
opc-architecture
Download User Guide

OPC UA Client Toolkit Features

Connectivity

  • Discovery of OPC UA servers available on the network 
  • Managing local and remote connections to multiple OPC UA Servers  
  • Support of UA TCP and HTTPS transport protocols 

Security

  • Creating a secure session with OPC UA Server  
  • Support of None, Sign and Sign & Encrypt security modes 
  • Support of None, Basic 128RSA15, Basic256, Basic256Sha256, Aes128_Sha256_RSAOaep and Aes256_Sha_256_RsaPss security policies 
  • Support of Anonymous and Username user authentication modes  
  • Certificates Management 

Data Interaction

  • Browsing OPC UA Server address space  
  • Read/Write requests of values from/to variables 
  • Managing UA subscriptions  
  • Monitoring real-time data and alarms and conditions  
  • Exploring and updating history data 

Development Environment

  • Support of 32 and 64-bit applications  
  • Support of Visual Studio 2017 and higher  
  • Support of .NET Core version 3.1 or higher  
  • Support of .NET Framework version 4.6.1 or higher  

Deployment

  • Royalty free runtime distribution  
Frequently Asked Questions

No. The OPC UA Client Toolkit is designed to abstract the complexities of the OPC UA protocol, enabling developers with basic .NET knowledge to quickly build client applications without needing deep OPC UA expertise. 

Yes. The toolkit allows your application to connect to and manage multiple OPC UA servers simultaneously, providing flexibility and scalability for client development. 

The sample projects are provided with their source codes and serve as flexible starting points that you can easily customize to fit your specific data models, workflows, and user interfaces. They are designed to accelerate your development while allowing extensive modifications. 

Resources & Documentation

OPC UA Client Toolkit Resources

Product Datasheet

Comprehensive technical specifications and features overview

User Guide

Step-by-step installation and configuration guide

Quick User Guide

Step-by-step installation and configuration guide

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