MELSECNET/H Interface Boards Discontinuation Notice

This technical bulletin announces the discontinuation of specific MELSECNET/H interface board models (Q80BD-J71LP21-25, Q81BD-J71LP21-25, Q80BD-J71LP21G, Q80BD-J71BR11) due to obsolete parts, with a phased transition to made-to-order and final production end dates between March 2028 and March 2029. It provides repair support periods through 2035-2036 and lists alternative models from the CC-Link IE Controller Network and CC-Link IE TSN series, noting that communication cables must be replaced when upgrading.