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

SIMATIC Micro Memory Card P, 2 MB capacity, order number 6ES7953-8LL20-0AA0, is Siemens' official memory module designed for S7-300, C7, and ET 200 systems. This 2 MB memory card provides dedicated storage for PLC program blocks, device data, and configuration information, enabling project backup and transfer between compatible controllers. As part of the SIMATIC Micro Memory Card family, it fits in the controller's memory card slot and supports use with SIMATIC S7-300/C7/ET 200 hardware, making it a reliable option for maintaining and migrating control projects across devices. Typical uses include backing up live projects, transporting programs between development and field equipment, and preserving device names and diagnostic data during maintenance or upgrades.