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The Allen-Bradley 1771-ILK is a versatile analog input module designed for precise industrial applications, featuring 8 individually isolated 1000V differential inputs. It boasts a resolution of 15 bits plus sign, offers a channel update time of 500 ms for 8 channels, and supports natural binary or BDC scaling to a range of +/- 9999. With voltage ranges spanning from 0-5V DC to -10-10V DC and current ranges including 4-20 mA, this module is adaptable to various operational requirements. It requires no external power, connects via a 1771-WD wiring arm, and efficiently integrates into a system with its rack mounting capability and 1.3 A backplane current, while maintaining accurate signal processing with typical signal delays of around 24 ms for AC and 20 ms for DC.