SIMATIC S7, MICRO MEMORY CARD F. S7-300/C7/ET 200S IM151 CPU, 3.3 V NFLASH, 512 KBYTES, 6ES7953-8LJ11-0AA0, 6ES7 953-8LJ11-0AA0, 6ES79538LJ11-0AA0, 6ES7 953-8LJ11-OAAO, 6ES 7953-8LJ11-0AA0, 6ES7 953-BLJ11-0AA0