Further information:
https://support.sick.com/
search for the FAQ: "KA-09636" (How to do a firmware update at the PGT-13-S, Hiperface DSL programming tool)

Video Links, which are also included in the above FAQ
https://video.sick.com/media/t/0_kjuxm8xh
https://video.sick.com/media/t/0_qezeczzv


Password to log in the access level "Authorized Client": AuthorizedClient