The Allen-Bradley 1746-IC16 is a digital input module from the SLC 500 series, designed for reliable signal acquisition in industrial automation systems. This 1746-IC16 module features sixteen inputs with a removable terminal block and operates in non-hazardous environments as well as Class 1, Division 2, Groups A, B, C, and D hazardous environments. The module has heat dissipation ratings of 0.22 Watts per input point, 0.425 Watts minimum, and 3.95 Watts total. It supports operating voltage ranges of 30–60 VDC at 131°F and 30–55 VDC at 140°F, ensuring safe and efficient performance in diverse industrial applications.