The Mitsubishi FR-D740-080SC-EC is a 3.7 kW frequency inverter from the FR-D700 series, rated for 8 A output on a 380–400 V three-phase supply. It supports MODBUS RTU over RS485 for straightforward PLC integration. The drive delivers output from 0 Hz up to 400 Hz, with a carrier frequency adjustable between 2 kHz and 14.5 kHz. Input frequency range covers 50/60 Hz mains. Panel-mount enclosure rated IP20, with screw terminals for power and control wiring. Dimensions: 165.5 mm deep, 108 mm wide, 128 mm tall.
I/O and Control
Control side includes 5 digital inputs at 24 VDC, one relay output (change-over, 250 VAC), one open-collector digital output, and one analog output (0–10 VDC). Analog input accepts 0–5 V, 0–10 V, or 0–20 mA.