Prosys OPC Classic Client will help you to test and troubleshoot connections to OPC Classic servers.


  • OPC Data Access (DA) version 1.0A and 2.05 communication
  • Any number of OPC Client connection, OPC Groups and OPC Items
  • Transaction logging (data changes, reads and writes)
  • UI for visualizing and changing internal variable values

You can read and write data, browse servers and export and import address space. OPC Client is lightweight, fast and easy to use.

Source code

The application comes with source code that can be used to build it together with Prosys Sentrol OPC Classic components.

What is OPC?

OPC and OPC UA (Unified Architecture) are industry standards that enable software to connect devices, machines and systems from different manufacturers using same interface.

Read more about OPC UA »

Sentrol is an excellent OPC application framework, which greatly im- proves development efficiency and supports system development in a prompt and reliable way. We willingly continue using Prosys OPC SDK Sentrol and related services of Prosys company.