Wincc Rest Api Jun 2026

: The service is activated in the WinCC Configuration Studio under "Computer" settings, where you define the Host name and Port (default is often 34568). Common Use Cases

: Requests typically require a Content-Type: application/json header and a JSON body containing the tag name and its new value. Configuration Requirements wincc rest api

"dp": "MySystem.PID_Setpoint", "value": 250.0, "quality": "GOOD" : The service is activated in the WinCC