IEC 61784-5-21:2018+AMD1:2024 CSV specifies the installation profiles for CPF 21 (FL-net). This contribution contains a number of related files covering the communication profiles to be used with IEC 61918. This installation profile documents contained herewith provide the installation profiles of the communication profiles (CP) of a specific communication profile family (CPF) by stating which requirements of IEC 61918 fully apply and, where necessary, by supplementing, modifying, or replacing the other requirements. The installation profiles are specified in Annex A. This annex is read in conjunction with IEC 61918.