Siemens 6ES5377-0AA11 is a SIMATIC S5 memory submodule that provides 16 KB of RAM in a short-design package for the S5 377 memory subsystem. This RAM module is specific to the SIMATIC S5 377 and functions as a RAM submodule within that system. Discontinued by the manufacturer, 6ES5377-0AA11 is typically found in older stock and repair catalogs.
