Softing OPC Demo Client is a lightweight test and diagnostics utility for validating OPC communications during commissioning and troubleshooting. It allows you to discover servers, browse the address space, read and write variables, and subscribe to live data to observe value changes in real time. The client supports secure connections with selectable endpoints, security modes, and user authentication, along with certificate handling for trusted communication. Built for quick checks and reproducible tests, it provides clear status feedback, basic logging, and controls for sessions and subscriptions to help verify connectivity, permissions, and data quality. It supports OPC UA (and, in some editions, OPC Classic), making it a practical tool for engineers and integrators who need to test servers without deploying a full HMI or SCADA.
Softing OPC Demo Client is developed by Softing AG. The most popular version of this product among our users is 4.3. The name of the program executable file is SOClient.exe.
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