MELSEC-QS Safety Relay Modules Discontinuation Notice

This technical bulletin announces the discontinuation of specific MELSEC-QS series safety relay modules and cables due to parts obsolescence, with a final production date of March 31, 2025. It provides a schedule, repair support until 2032, and detailed replacement guidance using either the MELSEC-WS series or MELSEC iQ-R series, including alternative models and configuration comparisons.