The SINAMICS V90 drives with the PROFINET interface (referred to as SINAMICS V90 PN) are available in two variants,
400 V variant and 200 V variant.
The 200 V variant is available in three frame sizes: FSB, FSC, and FSD. Frame sizes B, and C are used on the single phase
or three phase power network while frame size D is used on the three phase power network only.
The 400 V variant is available in four frame sizes: FSAA, FSA, FSB, and FSC. All the frame sizes are used on three phase
power network only.