Siemens 6ES7951-0KG00-0AA0 is a 128 Kbyte memory card designed for the SIMATIC S7-300 family, presented in a short-form (kurze Bauform) package. It uses 5V Flash-EPROM technology to store the PLC program and data, providing removable memory for S7-300 CPUs. This part functions as a spare memory medium for S7-300 installations, enabling straightforward replacement or memory upgrades without altering the main CPU. Suitable for maintenance, archival storage of control logic, and safeguarding configuration data within SIMATIC S7-300 systems.
