Professional OPC
Development Tools


QuickOPC OPC Library Features

OPC-enable your .NET or COM applications with QuickOPC. Access OPC-DA, OPC-A&E and OPC UA servers with ease, and without previous knowledge of the OPC standard.

Developer API

  • Integration with Visual Studio development environment.
  • Wide range of developer productivity features: Intellisense, contextual help, ReSharper annotations, serialization support, and many more.
  • Browsing Dialogs: Ready-made set of rich user interface (UI) components for browsing the OPC world.
  • Browsing Controls: Highly flexible, visually appealing controls that you can place on your forms and integrate OPC browsing into your app.


  • Multi-threaded, non-blocking OPC library design for high performance.
  • Internal messaging layer provides isolation between OPC communications and the custom OPC client code, resulting in high resiliency.
  • Conserves resources behind-the-scenes by automatically disposing of objects that are not being used.
  • The OPC library has no hard-coded limits to number of connections, subscriptions, or tags.
  • Intelligent OPC Group parameter optimization.

On The OPC Side

  • OPC client functionality tested for compliance with OPC protocol standards and interoperability.
  • Automatically connects to and disconnects from OPC Servers.
  • Automatically adds, removes and maintains OPC groups (subscriptions, in OPC-UA) and monitored items.
  • Automatic server status checking, detection of connection problems and server failures, and automatic reconnects.
  • Maintains OPC client state and reconstructs the internal state of OPC server after reconnection.
  • Supports all flavors of OPC synchronous and asynchronous reads and writes internally, subscriptions, discovery, browsing, and property access.
  • Multiple independent OPC server connections.



Footnote & required disclosure: QuickOPC (including its Options) is a software development kit (SDK) for development of OPC clients and subscribers. Installing QuickOPC or its Options does not change system settings.