Allen Bradley 1769-IF4I Analog Input Module

The AB 1769-IF4I is a high-resolution analog input module from the Compact I/O series, offering four individually isolated input channels. Designed for precise voltage and current measurement, each channel supports ±10V and 0–20mA ranges with 16-bit resolution, making it ideal for analog signal acquisition in demanding industrial automation environments.

This module is optimized for use with CompactLogix and MicroLogix 1500 controllers, enabling accurate process data collection in control systems requiring robust analog isolation, noise immunity, and scalability.

Technical Specifications

Model: 1769IF4I
Series: Compact I/O
Type: Analog Input Module
Input Channels: 4 analog inputs (isolated)
Input Types Supported: 0–20 mA, ±10 V
Resolution: 16-bit
Application: Precision analog signal acquisition in modular control systems

Electrical Specifications

Voltage Input Range: ±10 V
Current Input Range: 0–20 mA
Input Impedance:
• Voltage: >200 kΩ
• Current: 250 Ω

Channel Isolation: Yes – channel-to-channel and channel-to-backplane
Update Rate: 4 ms per channel
Backplane Current (5V): 120 mA
Backplane Current (24V): 80 mA
Overvoltage Protection: ±30 V (voltage inputs), ±35 mA (current inputs)
Analog Outputs: 0

Mechanical Specifications

Width: 87 mm
Height: 118 mm
Depth: 35 mm
Mounting Type: DIN rail or panel (via base unit)
Terminal Type: Screw terminal block
Connection Type: Compact I/O bus connector
Weight: Approx. 270 g
Form Factor: Compact I/O standard profile

Environmental Specifications

Operating Temperature: 0…60 °C
Storage Temperature: –40…85 °C
Relative Humidity: 5% to 95% non-condensing
Shock Resistance: 30 g, 11 ms (IEC 60068-2-27)
Vibration Resistance: 2 g, 10–500 Hz (IEC 60068-2-6)
Altitude Rating: Up to 2000 m
Ingress Protection: IP20 (when installed in enclosure)
Certifications: CE, cULus, RCM, RoHS
Explosion Safety (Gas/Dust): Not rated

Compliance & Communication

System Integration: CompactLogix and MicroLogix 1500
Communication Protocol: 1769 bus via backplane
Configuration Software: Studio 5000 / RSLogix 5000
Diagnostics: Channel-level fault reporting
I/O Mapping: Automatically configured via Logix controllers
Isolation Method: Opto-isolated per input channel

Key Features & Benefits

✅ 4 Isolated Analog Inputs – Reduces electrical interference and provides high signal integrity

✅ Supports Voltage & Current Input – Flexible channel-by-channel configuration for 0–20mA or ±10V

✅ High 16-bit Resolution – Ensures precise analog signal measurement in control and process applications

✅ DIN Rail or Panel Mountable – Easy integration into CompactLogix control systems

✅ Studio 5000 Compatible – Streamlines setup, configuration, and diagnostics in Allen Bradley environments

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