MELSECNET(II) and /B Data Link Modules Discontinuation Notice

This technical bulletin announces the discontinuation of MELSECNET(II) and /B data link modules for MELSEC-A and QnA series PLCs, with final production dates ranging from September 2006 to September 2008. It provides details on affected models, spare parts availability, and recommends migration paths to MELSECNET/10, including gradual or full system replacement strategies.