High-end Programmable Logic Controller (PLC) CPU main unit with integrated I/ Os – Mitsubishi Electric (MELSEC-F (FX) Series FX3U) – 16I/O [8DI (8 x digital inputs (24Vdc; Sink/Source)) + 8DO (8 x digital outputs (Rly NO contacts; 2A / 240Vac or 30Vdc; 10ms response))] – 64Ksteps (RAM; Program) memory capacity – connection capacity 256 x I/O points – with screw-clamp term. connections (I.O’s) – with RS-422 communication capability – Supply voltage 100Vac-240Vac (120Vac / 208Vac / 220Vac / 230Vac) – DIN rail mounting (130mm width) – equivalent to FX3U16MRES