MELSEC-Q Temperature Control Modules Discontinuation Notice

This technical bulletin announces the transition to made-to-order production and eventual discontinuation of Mitsubishi MELSEC-Q series temperature control modules Q64TCTT, Q64TCRT, Q64TCTTBW, and Q64TCRTBW, with replacement models Q64TCTTN, Q64TCRTN, Q64TCTTBWN, and Q64TCRTBWN released in August 2011. It details the schedule (order acceptance until August 31, 2013, last production day September 30, 2013), specification and functional comparisons between existing and replacement models, and precautions for module replacement including software compatibility.