Programmable Logic Controller (PLC) CPU unit with built-in I/Os - Mitsubishi Electric (MELSEC iQ-F Series FX5U) - 80I/O [40DI (40 x digital inputs (24Vdc; Sink/Source)) + 40DO (40 x digital outputs (Rly. NO contacts))] - 64KSteps; 128KBytes; flash memory (Program) memory capacity - with screw-clamp term. connections (I.O's) - with RS-485 + Ethernet communication capability - Supply voltage 24Vdc - DIN rail mounting - equivalent to FX5U80MRDS