I'm trying to communicate a PC with SIEMENS s7 1200 cpu 1214 dc/dc/dc via PROFINET. I have not found any source yet. This answer seems useful but I do not know how to create a GSD file. It is written in some web sites that GSD files are provided by manufacturer of PLC. However, according to SIEMENS support forum, there is no file like this. How can I create a GSD file and use? Thanks in advance.