Use WinRAR or 7-Zip. Do not rename the .gsd file, or the checksum may fail.
A GSD (General Station Description) file is an electronic data sheet. It contains the specific communication features of the FPBA-01 module. Why You Need It It defines the capabilities of the PROFIBUS DP device. abb fpba-01 gsd file download
If you cannot access ABB’s site directly, use this exact search in Google: Use WinRAR or 7-Zip