Expert’s answer:

The General Station Description short, GSD file contains all the information you need for your PROFIBUS or PROFINET field device. If you want to integrate the device into your control system, then you must have the GSD file.

You can imagine the GSD File as a form, filled in with all the data on the device and the type of information it provides. It also has an editor with a syntax and semantics check to set up the file according to the GSD specifications. Hope that helps!

GSD File
Courtesy of Profinews

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