Wincc Rest Api -

The (available in WinCC Professional V7.5 SP2 and later, as well as WinCC OA) provides a RESTful interface to read/write process tags, acknowledge alarms, and retrieve archive data. This paper documents its capabilities and practical integration. 2. Architecture Overview The WinCC REST API is implemented as an additional service running on the WinCC station. It communicates with the WinCC Runtime Database via internal COM interfaces.

$cred = Get-Credential $body = @tags=@("Tag1","Tag2") | ConvertTo-Json Invoke-RestMethod -Uri "https://wincc:50051/api/v1/tags/read" -Method Post -Body $body -Credential $cred -ContentType "application/json" wincc rest api

POST /api/v1/tags/write Host: wincc-server:50051 Content-Type: application/json Authorization: Negotiate ... "TankLevel": 75.5 The (available in WinCC Professional V7