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  • 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
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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
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OPC DA Client Toolkit

Accelerate OPC DA Client Development & Benefit from free runtime distribution

Build high-performance OPC DA clients quickly with a professional C++ toolkit that simplifies COM/DCOM complexities.

OPC DA Client Toolkit Overview

Accelerate C++ OPC DA Client Development with a Professional SDK

  • Professional C++ toolkit for rapid OPC DA client development
  • Abstracts complex COM/DCOM and OPC DA specifications
  • Enables fast creation of high-performance OPC DA clients
  • Support full OPC Data Access 1.0a and 2.05 compliance
  • Designed for reliability, scalability, and enterprise use
  • Ideal for industrial automation, SCADA, and custom OPC applications
  • Includes comprehensive documentation and real-world code examples
opc-architecture
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OPC DA Client Toolkit Features

Development Acceleration

  • Rapid Prototyping: Create functional OPC clients in minutes with pre-built templates 
  • Rich Code Examples: Comprehensive sample applications in C++ with full source code 
  • Simplified API: High-level functions that abstract complex OPC specification details 
  • Integrated Debugging: Built-in diagnostic tools for connection and data troubleshooting 
  •  

Technical Capabilities

  • Full OPC DA Compliance: Implements all required and optional OPC Data Access 1.0a/2.05 interface
  • Multi-Server Support: Simultaneous connections to multiple OPC servers 
  • Asynchronous Operations: Non-blocking read/write operations for optimal performance 
  • Group Management: Advanced item grouping and subscription management 

Enterprise Features

  • Thread-Safe Architecture: Multi-threaded design for high-performance applications 
  • Error Handling: Comprehensive exception handling and recovery mechanisms 
  • Memory Management: Automatic resource cleanup and leak prevention 
  • Network Resilience: Automatic reconnection and connection monitoring 

Integration & Deployment

  • Visual Studio Integration: Seamless integration with Microsoft development environments 
  • Static/Dynamic Linking: Flexible deployment options for various application architectures 
  • Royalty-Free Distribution: No runtime licensing fees for deployed applications 
  • 64-bit Support: Native support for both 32-bit and 64-bit Windows platforms 
Frequently Asked Questions

The toolkit is designed for developers with basic C++ knowledge. While OPC understanding is helpful, our comprehensive documentation, examples, and simplified API allow developers to create OPC clients without deep OPC specification knowledge. 

The toolkit simplifies DCOM interaction significantly, but DCOM configuration is still required on the system level. However, our toolkit includes utilities and documentation to streamline the DCOM setup process. 

Yes, the OPC DA Client Toolkit includes royalty-free distribution rights. Once you purchase a development license, you can distribute your applications without additional runtime fees.

The toolkit fully supports OPC Data Access specifications 1.0, 2.0, and 3.0, ensuring compatibility with virtually all OPC DA servers in the market. 

The toolkit includes automatic reconnection capabilities, connection heartbeat monitoring, and configurable retry mechanisms. It also provides event callbacks to notify your application of connection status changes. 

Resources & Documentation

OPC DA Client Toolkit Resources

Product Datasheet

Comprehensive technical specifications and features overview

User Guide

Step-by-step installation and configuration guide

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