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OPC .NET Client Toolkit Overview

Build High-Performance OPC Client Applications in .NET

  • Toolkit for rapid development of OPC client applications in C# .NET and VB .NET
  • Simplifies OPC and COM programming through a streamlined, optimized API
  • Provides seamless access to real-time data, historical data, and alarms
  • Supports OPC DA, OPC HDA, and OPC AE specifications
  • Enables simultaneous connections to multiple OPC Classic servers
  • Optimized for high performance with minimal resource consumption
  • Robust error handling and automatic connection recovery
  • Compatible with both .NET Framework and .NET Core environments
  • Includes ready-to-use sample applications for 32-bit and 64-bit architectures
  • Free runtime distribution allows deployment without additional licensing fees
OPC.NET Client Toolkit architecture diagram: C# and VB.NET application data access

OPC .NET Client Toolkit Features

Comprehensive Documentation

  • Rapid Application Development: Streamlined API eliminates complex OPC and COM programming requirements 
  • Quick & Easy Start: Complete OPC client examples in C# and VB.NET for both 32-bit and 64-bit architectures 
  • Free Runtime Distribution: Deploy your applications without additional licensing costs 
  • Visual Studio Integration: Seamless development experience within familiar .NET environments 

OPC Standard Compliance

  • OPC DA (Data Access): Real-time process data connectivity with industry-standard specifications 
  • OPC HDA (Historical Data Access): Access to archived process data and trending information 
  • OPC AE (Alarms & Events): Comprehensive alarm and event handling capabilities 
  • Multi-Server Connectivity: Simultaneous connections to multiple OPC servers 

Technical Capabilities

  • High Performance: Optimized for minimal resource consumption and maximum throughput 
  • Error Handling: Robust exception management and connection recovery mechanisms 
  •  Versatile Support: Compatible with various Windows versions and .NET Framework and .NET Core versions 

Developer Resources

  • Comprehensive Documentation: Detailed API reference and implementation guides 
  • Sample Applications: Ready-to-run demos showcasing toolkit capabilities and source codes 
  • Technical Support: Expert assistance from OPC specialists 
  • Regular Updates: Continuous improvements and new feature releases 

Frequently Asked Questions

With our streamlined API and comprehensive examples, developers typically create basic OPC client functionality within hours rather than weeks. The toolkit eliminates the complexity of direct OPC programming, significantly reducing development time.

Yes, absolutely. One of our key advantages is free runtime distribution, allowing you to deploy your OPC client applications to end users without additional licensing costs, making it ideal for commercial software development. You only need to pay for the development license. 

The OPC .NET Client Toolkit supports a wide range of .NET environments to ensure compatibility with both legacy and modern applications: 


• Supported .NET Core versions:  3.1 and newer 


• Supported .NET Framework versions: 4.6.1 and newer

With our streamlined API and comprehensive examples, developers typically create basic OPC client functionality within hours rather than weeks. The toolkit eliminates the complexity of direct OPC programming, significantly reducing development time.

Yes, the toolkit fully supports multiple concurrent OPC server connections, allowing you to aggregate data from various sources within a single application. This is particularly useful for enterprise-level integration projects. 

We provide comprehensive technical support including detailed documentation, sample code, email support, and access to our team of OPC experts.  

Resources & Documentation

OPC .NET 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