Siemens 6ES7953-8LG00-0AA0 Industrial Networking Interface Module

Siemens 6ES7953-8LG00-0AA0 is a Micro Memory Card (MMC) for SIMATIC S7-300 family controllers, providing 128 KB NFLASH non-volatile storage for PLC programs and runtime data. This NFLASH memory card is designed for use with SIMATIC S7-300 CPUs, including C7 and ET 200S IM151 variants, enabling you to back up, transfer, or restore project data between compatible devices. With 128 KB capacity, it accommodates standard blocks used in compact automation projects and supports Siemens’ NFLASH memory technology, ensuring program integrity when power is removed. Commonly sourced as a spare part for aging S7-300 installations, it ensures continued compatibility with established memory-card interfaces and the S7-300 ecosystem. The 6ES7953-8LG00-0AA0 belongs to a family of memory cards with the 8LG0x-0AA0 suffixes, offering consistent form factor and electrical characteristics across models to suit SIMATIC S7-300/C7/ET 200S IM151 configurations.