AJ65BT-R2 RS-232C Interface Module Discontinuation Notice

This technical bulletin announces the discontinuation of the MELSEC-A series AJ65BT-R2 RS-232C interface module due to parts obsolescence and the release of an alternative model, the AJ65BT-R2N. It details the discontinuation schedule, repair acceptance period, and critical precautions for replacing the discontinued module with the alternative, including switch settings, wiring changes for hardware versions, E2PROM register migration, and sequence program adjustments.