Allen-Bradley 1769-IF16C 16-Channel Analog Input Module

Allen-Bradley 1769-IF16C is a 16-channel CompactLogix analog input module that provides 16 single-ended current inputs for Compact I/O racks. It accepts 0–20 mA or 4–20 mA signals, with a full-scale range of 0–21 mA (3.2–21 mA), and uses a Sigma-Delta converter to deliver 16-bit resolution (unipolar) or 15 bits plus sign for bipolar measurements. Key specs include an input impedance of 249 ohms, common-mode rejection >60 dB at 50/60 Hz with the 16 Hz filter option, a rated working voltage of 30V AC/DC, and a power draw of about 190 mA at 5.1V or 70 mA at 24V, with up to 4.0 W heat dissipation. Accuracy is ±0.5% FS at 25 °C, with a temperature drift of ±0.0045% per °C, nonlinearity of ±0.03%, repeatability of ±0.03%, and a module error around 1.25%, making it well suited for precise current-monitoring in industrial control applications.