VBA to auto select option from drop-down list - browser page of PLC device

Hi,
Iam having trouble selecting from drop-down list with VBA on a specific site. I have a working version of my simple code for a test site, but i wanted to modify it to work with the page of our PLC based servo press (i dont know PLC at all). I cant find the Tag/Name of the drop-down list in the code or how i could reach it.

Ive downloaded the files i could with the browser and attached them. If you open the site ive attached it gives a loading/error circle but it works when i open it on the PC which is connected to it.
This is the list i want to open and select from:
festo.jpg

Do you think its possible to do what i want or not with this environment? I want to do it so the operator scans the article number with a barcode reader into excel and VBA selects the corresponding program, etc.

Attached my test excel.

Thanks