If you are starting a new project today, consider WinCC Unified for a cleaner, more scalable REST API.
A plant manager wants a real-time OEE dashboard in Power BI or Grafana. Instead of traditional OPC clients, Power BI’s web query calls the WinCC REST API every minute to fetch machine states and counts. wincc rest api
Note on Quality Codes: The quality field follows OPC standards. A value of 192 (0xC0) typically means "Good". If you are starting a new project today,
if response.status_code == 200: print("Value written successfully.") consider WinCC Unified for a cleaner
A REST API uses standard HTTP methods (GET, POST, PUT, DELETE) to exchange data, typically in JSON (JavaScript Object Notation) or XML format.