DC high-speed digital counter input module - Mitsubishi Electric (MELSEC-F (FX) Series FX3U) - 6I/O [2DI (2 x digital inputs (High-speed counter; 200kHz)) + 4DO (4 x digital outputs (5-24Vdc))] - with screw-clamp term. connections - Supply voltage 5Vdc (from main unit) - DIN rail mounting (55mm width) - equivalent to FX3U2HC