Softing OPC ActiveX Controls 3.22

Softing OPC ActiveX Controls is a suite of reusable components from Softing AG that simplifies adding OPC Classic connectivity to custom Windows applications. Designed for COM/ActiveX environments such as Microsoft Visual Basic 6, VBA, Visual C++, and Delphi—and usable from .NET via COM interop—the controls help developers build OPC client applications quickly and reliably. They provide ready-to-use functionality for OPC Data Access (DA), Alarms & Events (A&E), and Historical Data Access (HDA), making it straightforward to browse servers and address spaces, connect to devices, read and write real-time values, subscribe to data changes, monitor alarms and events, and retrieve historical data.

Key capabilities:

• OPC Classic client functionality for DA, A&E, and HDA
• Server and address space browsing for fast tag selection
• Synchronous and asynchronous reads/writes with data change subscriptions
• Alarm and event monitoring with acknowledgment support
• Historical data retrieval over defined time ranges
• Visual property pages and configuration dialogs to reduce coding effort
• Sample projects and documentation for VB6, C++, and Delphi; accessible from .NET via COM interop
• Features and guidance that help with DCOM configuration and automatic reconnection

With its robust error handling and comprehensive examples, Softing OPC ActiveX Controls accelerates development of HMI, SCADA, diagnostics, and data logging solutions while ensuring interoperability with standards-compliant OPC Classic servers across industrial networks.

Softing OPC ActiveX Controls is developed by Softing AG. The most popular version of this product among our users is 3.2. The names of program executable files are SOClient.exe, SOWatch.exe.