Allen-Bradley 1794-IF4I FLEX I/O Analog Input Module 1794IF4I

Description:

The Allen Bradley 1794-IF4I FLEX I/O Analog Input Module is used in distributed control systems for converting analog signals into digital data for processing. Commonly installed in FLEX I/O systems within remote I/O architectures for industrial automation, process control, and machine monitoring. Maintenance teams, OEMs, and system integrators use this module for system expansion, retrofit, or replacement of analog input modules.

Applications:

The Allen Bradley 1794-IF4I is designed for industrial process monitoring applications requiring accurate acquisition of analog signals such as pressure, temperature, flow, and level. It is widely used in manufacturing plants, oil and gas facilities, water and wastewater treatment systems, and HVAC applications where sensors transmit voltage or current signals (e.g., 4–20 mA or ±10 V). With isolated inputs and high-resolution conversion, it ensures reliable signal integrity and precise data acquisition in distributed PLC-based systems.

Technical Specifications:

• Manufacturer: Allen-Bradley (Rockwell Automation)
• Model / Part Number: 1794-IF4I
• Product Type: Analog Input Module
• Series: 1794 FLEX I/O
• Number of Inputs: 4 isolated channels
• Input Types: Voltage and current (±10V, 0–10V, ±5V, 0–5V, 0–20 mA, 4–20 mA)
• Resolution: 16-bit (unipolar), 15-bit + sign (bipolar)
• Conversion Rate: 2.5 / 5.0 / 7.5 ms (all channels)
• Input Configuration: Differential, isolated inputs
• Power Supply: 24V DC
• External Current Draw: Approx. 80 mA @ 24V DC
• Power Dissipation: Max. 2 W
• Terminal Base Compatibility: 1794-TB2, TB3, TB3S, TB3T, TB3TS, TBN
• Operating Temperature: -20 to 55°C
• Dimensions: Approx. 99 x 63 x 53 mm
• Weight: Approx. 0.16 kg
• Lifecycle Status: Active Mature

Common Replacements:

• Allen Bradley 1794-IF4IXT
• Allen Bradley 1794-IF2XOF2I
• Allen Bradley 1769-IF4