Product Description

High-Precision Analog Signal Processing

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.

Detailed Technical Specifications

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)