Siemens 6SE7090-0XX85-1DA0 Masterdrives Control Module is a replacement CUR for infeed and infeed/regenerative feedback units within Simovert Masterdrives systems. Siemens labels this as a spare-part control module and notes that the associated software 6SW1701-0DA14 is required at T434E. It is referenced in Siemens’ migration notes toward LV SINAMICS, underscoring its role as legacy Masterdrives hardware suitable for repair or replacement in older installations.
