Allen Bradley 1769-IF4 CompactLogix 4-Channel Analog Input Module

The Allen Bradley 1769-IF4 is a 4-channel analog input module for the CompactLogix and MicroLogix 1500 systems. Its core function is to convert analog signals from field sensors—such as pressure transducers, temperature transmitters, and flow meters—into digital values for the controller to process. It supports multiple current and voltage signal types with 14-bit resolution and offers built-in diagnostics for reliable operation.

  • Item No :

    1769-IF4
  • Order(MOQ) :

    1
  • Payment :

    EXW
  • Product Origin :

    Malaysia
  • Shipping Port :

    Wuhan, Hubei, China
  • Lead Time :

    3-5 days
  • Weight :

    0.5kg
  • Products Description

    Allen Bradley 1769-IF4 CompactLogix 4-Ch Analog Current/Voltage Input Module in stock

    Model Number 1769-IF4
    Place of Origin Malaysia
    Dimension/Weight 0.5 kg
    Condition new and original
    Warranty 1 year
    Shipping term
    DHL Fedex TNT EMS UPS
    Payment TT / Western Union
    Delivery Time 3-5 days
    Service
    24 Hours Online Service

    Key Parameters and Features

     
     
    Item Specifications / Features
    Number of Inputs 4 channels, differential or single-ended 
    Input Signal Types ±10V, 0-10V, 0-5V, 1-5V, 0-20 mA, 4-20 mA 
    Resolution 14-bit (unipolar); 14-bit plus sign (bipolar) 
    Converter Type Delta-Sigma 
    System Platform CompactLogix Controllers; MicroLogix 1500 
    Accuracy @ 25°C ±0.2% full scale (voltage); ±0.35% full scale (current) 
    Backplane Current Draw 120 mA @ 5V DC; 60 mA @ 24V DC 
    Normal Mode Rejection -50 dB @ 50/60 Hz 
    Input Impedance Voltage: 220 kΩ; Current: 250 Ω 
    Operating Temperature 0°C to 60°C 
    Dimensions (H x W x D) 118 mm × 35 mm × 87 mm 
    Weight Approx. 0.286 kg 
    Hot-Swap Support Yes, supports online module replacement 

    Core Features & Advantages

    • Versatile Signal Compatibility: The module's standout feature is its ability to accept a wide variety of analog signals on each channel. It supports six different input ranges, including ±10V, 0-10V, 0-5V, 1-5V, 0-20 mA, and 4-20 mA . This allows a single module to interface with diverse field devices without needing additional signal conditioners.

    • Autocalibration and Diagnostics: The module automatically calibrates itself to maintain accuracy when first powered on or when the configuration is changed . It also includes open-circuit and under-range detection features , allowing the controller to detect sensor or wiring faults and notify operators via HMI/SCADA for real-time monitoring.

    • Flexible Power and Configuration: The 1769-IF4 offers flexible power management with an external 24V DC supply option that can be switched on or off externally . It also includes individual channel configuration and diagnostic status indicators, simplifying setup and troubleshooting .

    • Compact, Space-Saving Design: Designed for space-constrained industrial environments, the module measures just 118 mm x 35 mm x 87 mm and weighs approximately 0.286 kg . It supports both DIN rail and panel mounting, and can be located up to 8 modules away from the system power supply .

    Typical Applications

    The 1769-IF4 is widely used for analog signal acquisition in CompactLogix-based automation systems, including:

    • Process Control: Monitoring pressure, temperature, flow, and level transmitters in industrial processes.

    • Machine Control: Reading feedback from sensors on conveyors, packaging machines, and material handling equipment.

    • Data Acquisition: Connecting a mix of current and voltage output sensors for centralized monitoring and analysis.

    Frequently Asked Questions (FAQ)

    Q1: What is the difference between the 1769-IF4 and the 1769-IF4I?
    A: Both are 4-channel analog input modules, but the 1769-IF4I offers isolated channels with 16-bit resolution , whereas the standard 1769-IF4 is a non-isolated module with 14-bit resolution . The isolated variant is recommended for applications with potential ground loops or requiring higher precision.

    Q2: Can I use the 1769-IF4 with a MicroLogix controller?
    A: Yes, the 1769-IF4 is compatible with the MicroLogix 1500 system as expansion I/O . For CompactLogix controllers, it's a native module that mounts on the DIN rail with the controller.

    Q3: Does the module support thermocouple or RTD inputs?
    A: No. The 1769-IF4 is designed for voltage and current signals only. For temperature sensors, use dedicated modules like the 1769-IT6 (thermocouple) or 1769-IR6 (RTD) .

    Q4: What is the effective resolution of the 1769-IF4?
    A: The module has 14-bit resolution for unipolar signals and 14-bit plus sign for bipolar ranges . The module's effective resolution is affected by the selected input filter; the user manual provides a table correlating filter frequency to effective resolution .

    Q5: How do I set up the channel configuration?
    A: Channel configuration—including enabling/disabling channels, selecting input type/range, and choosing data format—is performed through the controller's configuration software, such as Studio 5000 Logix Designer, by writing a specific bit pattern into the module's configuration file .

    Q6: Does the module support hot-swapping?
    A: Yes, the 1769-IF4 supports online module replacement . However, follow proper safety procedures and ensure the system power supply can handle the inrush current during insertion.

    Recommended Models & Related Products

    The 1769-IF4 is part of the broader 1769 Compact I/O family. Below are related models for expanding or replacing your analog input capabilities:

     
     
    Product/Model Type Brief Description
    1769-IF4 Analog Input Module The featured module: 4 channels, voltage/current, 14-bit resolution, non-isolated .
    1769-IF4I Isolated Analog Input 4 channels, voltage/current, isolated, 16-bit resolution for higher accuracy .
    1769-IF8 Analog Input Module 8-channel version of the standard analog input module .
    1769-IF8C Analog Input Module 8-channel, current-only analog input module with higher density .
    1769-IF16C High-Density Analog Input 16-channel, current-only analog input module with 16-bit resolution .

    Choosing the Right Model

    • For standard 4-channel needs: The 1769-IF4 is the cost-effective choice for applications requiring up to 4 channels of current or voltage input without isolation requirements.

    • For higher precision or noisy environments: The 1769-IF4I offers isolated channels and 16-bit resolution, making it more suitable for critical measurements and ground-loop-sensitive applications .

    • For more than 4 channels: Consider the 1769-IF8 (8-channel non-isolated) or 1769-IF8C (8-channel current-only) . For current-only applications with many sensors, the 1769-IF16C provides 16 channels in a single module .

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