{"product_id":"siemens-6es5910-0aa31-eprom-memory-card-module","title":"Siemens 6ES5910-0AA31 EPROM Memory Card Module","description":"\u003cdiv\u003e\u003cp\u003eSiemens 6ES5910-0AA31 memory submodule (EPROM) is a SIMATIC S5 accessory engineered for use with the S5-110A programmable logic controller, delivering dedicated program storage on a compact EPROM module that interfaces with the S5 backplane and supports the S5 family’s traditional CPU architecture. Known in Siemens catalogs as memory submodule 910 for the S5-110A, it accommodates up to 2044 instructions, enabling the storage of the PLC’s control logic in non-volatile memory that persists through power cycles and simplifies program transfer between units. In typical installations, the 6ES5910-0AA31 is housed in the S5-110A CPU assembly to preserve the active program, and technicians often swap this EPROM during maintenance to recover or restore a known good configuration on aging equipment. Common applications include maintenance and repair of legacy Siemens automation, retrofits of older production lines, archival storage of the S5-110A program for change management, disaster recovery, and provenance documentation when replacing or refurbishing a PLC system.\u003c\/p\u003e\u003c\/div\u003e","brand":"Siemens","offers":[{"title":"Used Surplus - Excellent Condition","offer_id":46268519088362,"sku":null,"price":0.0,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0716\/8039\/3450\/files\/GTG-STOCK-018.png?v=1788727429","url":"https:\/\/gtghardware.com\/products\/siemens-6es5910-0aa31-eprom-memory-card-module","provider":"GTG Hardware","version":"1.0","type":"link"}