Siemens 6ES7953-8LL20-0AA0 SIMATIC Memory Card

Siemens 6ES7953-8LL20-0AA0 SIMATIC Micro Memory Card is a 2 MB removable memory card designed for use with SIMATIC S7-300, C7, and ET 200 series PLCs, providing a compact, swap-in storage option for older automation hardware. Marketed as SIMATIC Micro Memory Card P, this card carries the 6ES7953-8LL20-0AA0 designation and serves as a compact memory module intended to extend the PLC's onboard storage in compatible configurations. With a 2 MB capacity, the MMC is designed for older-generation Siemens automation equipment used in S7-300, C7, and ET 200 installations. Typical applications include backups of PLC projects, moving programs between systems, and maintenance tasks in industrial automation setups that rely on Siemens SIMATIC hardware. This part is catalogued by Siemens under 6ES7953-8LL20-0AA0 in the SIMATIC Micro Memory Card lineup, aligning with MMC 2M cards used across S7-300, C7, and ET 200 installations for interchangeable memory modules.