Hello gregor

It would be nice if we had a few more information:

https://support.industry.siemens.com/tf/ww/en/posts/what-do-we-need-to-solve-your-problem/141582/?page=0&pageSize=10

If you have an Advanced RT or Comfort Panel then you can use HTML Browser control.

here you can use an string Tag to define the Web Adress you want to access.

If you also want to show the Webbrowser only if you press the Button you can use a Popup Screen .

Bye Murof

Hello gregor_m

in WinCC Professional you can use a C Script for example with programexecute.

here are some examples:

https://support.industry.siemens.com/cs/de/en/view/92310

Her you just start your Internet Explorer exe File with your URL as parameter

Bye Murof