MELSEC-QnA Series Memory Cards Discontinuation Notice

This technical bulletin announces the discontinuation of all MELSEC-QnA series memory cards, including SRAM and SRAM/EEPROM models, with final order acceptance by March 31, 2020, and production ending April 24, 2020. It provides a schedule, reasons for discontinuation (declining demand and obsolete parts), repair support until April 2027, and recommends purchasing spare cards or migrating to MELSEC-Q or iQ-R series.