Mitsubishi MELSEC FX PLC I/O Module 4 Inputs, 5 V dc, 24 V dc, 90 x 55 x 87 mm. Input Type: Analogue. For Use With: MELSEC FX Series. Length: 90mm. Width: 55mm. Depth: 87mm. Maximum Operating Temperature: +55°C. Minimum Operating Temperature: 0°C. MPN: FX3U-4AD