The 1769-IF4 (Model: 1769-IF4) is a high-resolution analog expansion module engineered for the Allen-Bradley CompactLogix and MicroLogix 1500 controller families. Designed to bridge the gap between field instrumentation and digital control logic, the 1769-IF4 provides four versatile channels capable of capturing critical process variables such as pressure, temperature, flow, and level. Each channel is software-configurable, allowing engineers to tailor the input characteristics to specific sensor requirements without hardware jumpers, ensuring seamless integration into complex industrial automation architectures.
The 1769-IF4 utilizes a Delta-Sigma A/D converter architecture to provide superior noise rejection and 16-bit resolution for precise data acquisition.
Manufacturer: Rockwell Automation / Allen-Bradley
Model Designation: 1769-IF4
Number of Inputs: 4 Analog Channels
Resolution: 16-bit unipolar; 15-bit + sign bipolar
Voltage Ranges: ±10V DC, 0–10V DC, 0–5V DC, 1–5V DC
Current Ranges: 0–20 mA, 4–20 mA
Input Impedance: 1 MΩ (Voltage) / 249 Ω (Current)
A/D Converter Type: Delta-Sigma
Backplane Current Draw: 105 mA @ 5.1V DC; 40 mA @ 24V DC
Channel-to-Bus Isolation: 500V AC or 710V DC for 1 minute
Power Supply Distance Rating: 8 modules (Max distance from system power supply)
Wiring Terminal: Removable Terminal Block (RTB)
Dimensions: 118 x 35 x 87 mm
Weight: 0.29 kg (0.64 lbs)
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