Siemens 6FC5210-0DA20-2AA1 Memory Card For SINUMERIK

The Siemens 6FC5210-0DA20-2AA1 MMC103 memory card is a dedicated MMC module designed for SINUMERIK CNC controls, specifically compatible with SINUMERIK FM NC/810D/DE and MMC103-equipped 840D/DE configurations. It provides 32 MB of DRAM on the card and uses a 133 MHz environment as described in Siemens literature, enabling local storage for system software, firmware modules, and CNC programs within legacy SINUMERIK installations. The card ships with system software versions 3.7, 4.4, and 5.3 (often cited as WFW3.11/Windows 95), and is associated with SINUMERIK 840D BS002 operating context, illustrating its role in older SINUMERIK software stacks. Multilingual support on the card includes German, English, French, Italian, and Spanish, aligning with Siemens documentation that lists languages for the software environment.