MELSEC-F FX2 to FX3U Replacement Technical Bulletin

This technical bulletin provides standard alternative models for replacing discontinued MELSEC-F FX2 series micro programmable controllers with FX3U series models, based on I/O points, program capacity, and terminal shapes. It includes detailed tables mapping discontinued FX2 main units to recommended FX3U alternatives, along with special notes on differences in program capacity, device assignment, and power supply requirements.