Product number (commercially available number) 6AU1400-2QA20-0AA0-Z M44 Product description 2 GB CF card D4x5-2 based on SIMOTION Drive; SINAMICS-drive software V5.x and SIMOTION Kernel for SIMOTION D4x5-2; latest software version; note: not for SIMOTION D410, D4x5 and D410-2; 1 GB CF card compatible 6AU1400-2PA23-0AA0 M44: when licensed, MULTIAXES package D445-X/D455-2 Product family SIMOTION D4x5-2 Control Units