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    Apter Power supplies original Allen-Bradley 1769-IF8 analog input modules for CompactLogix systems, offering quality-tested inventory to ensure dependable process monitoring and seamless drop-in integration.

1769-IF8

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The Allen-Bradley 1769-IF8 is a 8-channel analog input module designed to convert continuous analog signals into digital values for precise processing by industrial programmable automation controllers.
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Technical specifications for 1769-IF8

  • Manufacturer:
    Allen-Bradley
  • Part Number:
    1769-IF8
  • Product Family:
    CompactLogix
  • Product Type:
    Analog Input Module
  • Stock:
    1
  • Number of Inputs:
    8 differential or single-ended
  • Bus Current Draw (max.):
    120 mA at 5V dc 70 mA at 24V dc
  • Heat Dissipation:
    3.24 Total Watts (The Watts per point, plus the minimum Watts, with all points energized.)
  • Converter Type:
    Delta Sigma
  • Common Mode Voltage Range:
    ±10V dc maximum per channel (Both plus and minus input terminals must be within ±10V dc of analog common.)
  • Common Mode Rejection:
    Greater than 60 dB at 50 and 60 Hz with the 10 Hz filter selected, respectively
  • Normal Mode Rejection Ratio:
    -50 dB at 50 and 60 Hz with the 10 Hz filter selected, respectively
  • Input Impedance:
    Voltage Terminal: 220K Ω (typical) Current Terminal: 250 Ω
  • Weight:
    0.3 kg
  • Estimated shipping dimensions:
    5.5x8.6x13.1cm
  • Tariff Code:
    8537101190
  • Country of origin:
    USA
  • Place of shipment:
    Xiamen,Fujian,China
By purchasing this item, you agree to the Terms & Conditions, ApterPower is not an authorized distributor for listed manufacturers or tradenames and therefore the manufacturer's warranty does not apply. All our products come with ApterPower's 1-year warranty.

More Information

Overview Manuals Specifications Use Cases Communication & Connectivity Diagnostics & Protection

Features:

  • Converts Up to 8 High-Impedance Analog Inputs into Digital Data for Controller Storage
  • Supports Flexible Single-Ended or Differential Input Wiring Configurations
  • Communicates Seamlessly Across the Compact I/O Backplane with CompactLogix™ and MicroLogix™ Controllers
The 1769-IF8 Analog Input Module functions as an 8-channel analog input expansion unit within a Compact I/O system, converting continuous field signals into digitized data for controllers such as CompactLogix™ and MicroLogix™. It continuously reads incoming analog sensors (voltage or current) and processes these measurements for storage and retrieval across the rack backplane. Flexible channel configuration allows high-density single-ended connections for standard installations or differential connections to reject electrical noise in demanding environments.

The 1769-IF8 provides essential analog acquisition functions for the control architecture, serving as a vital link in the data path and directly impacting the monitoring and control of overall field processes. One or multiple 1769-IF8 modules can be installed per system depending on the required sensor count. The 1769-IF8 occupies a single module slot in the Compact I/O bank, securing physically to adjacent modules using tongue-and-groove slots and a top bus lever with a locking mechanism.

For secure installation and system integration, the 1769-IF8 supports both panel mounting via upper/lower tabs and 35 mm DIN rail mounting via dedicated latches. Standard operation relies on a Removable Terminal Block (RTB) with a finger-safe cover, fixed in place by upper and lower retaining screws . Electrical communication across the backplane is performed via a movable bus connector with female pins on the left and a stationary bus connector with male pins on the right. Using this structure, the 1769-IF8 continually feeds accurate sensor data to the controller, displays real-time operational status through its I/O diagnostic LEDs, and allows easy identification via its hinged terminal door label and front write-on tag.

The 1769-IF8 Allen Bradley  Analog Input Module may still be available for purchase and support from Apter Power beyond End-Of-Life (EOL) by the manufacturer (OEM).
Allen Bradley 1769-IF8 Analog Input Module Manuals,Datasheets,Link Important Notice: Other accessories, manuals, cables, calibration data, software, etc. are not included with this equipment unless listed in the above stock item description. All prices are shown in USD.
Allen Bradley 1769-IF8 Analog Input Module Specs

General

  • Manufacturer Allen Bradley
  • Model 1769-IF8
  • Condition New Original ready stock
  • Product Family 1769-IF4,1769-OF2
Important Notice: Other accessories, manuals, cables, calibration data, software, etc. are not included with this equipment unless listed in the above stock item description. All prices are shown in USD.
  • Process Variable Monitoring: Tracks physical properties like temperature, pressure, flow rate, and liquid levels via standard transmitters.
  • Feedback Loops: Feeds highly accurate data into Proportional-Integral-Derivative (PID) loops to optimize automated variables.
  • Factory and Machinery Automation: Integrates seamlessly into packaging, material handling, assembly lines, and HVAC controls.
  • Sensor Flexibility: Supports a mix of inputs including voltage (±10V DC) and current (0 to 21mA) using either single-ended or differential wiring depending on noise immunity needs.
  • Controller Compatibility: Works natively with CompactLogix controllers and can be used as expansion I/O for MicroLogix 1500 systems.
  • Backplane Connectivity: Connects directly via the bus connector of the 1769 system without needing a separate chassis, utilizing a tongue-and-groove locking mechanism for a rugged assembly.
  • Network Extension: When combined with a communication adapter module, it can be deployed in distributed I/O banks communicating over EtherNet/IP, ControlNet, or DeviceNet.
  • Data Formatting: Communicates raw/proportional values, engineering units, percent range, or data scaled-for-PID directly to the controller tags via software like RSLogix 5000 / Studio 5000.
  • LED Status Indicator: A front-facing diagnostic LED simplifies troubleshooting by communicating module health, power status, and initialization errors.
  • Power-up Self-Test: Executes an automated internal circuit and memory check upon power-up before enabling channel conversions.
  • Signal Range Detection: Provides onboard over-range and under-range detection to flag when an instrument is transmitting data outside normal parameters.
  • Channel Configuration Filters: Features programmable digital filtering (noise rejection) per channel to cancel out unwanted electrical noise from harsh industrial environments.
Description
The 1769-IF8 Analog Input Module by Allen-Bradley is a high-performance Compact I/O expansion module designed to convert continuous analog signals into digital data for processing and storage by programmable automation controllers, such as CompactLogix™ and MicroLogix™ systems. Built to support up to eight analog sensors simultaneously, the 1769-IF8 features high-impedance input channels that can be flexibly configured as either single-ended inputs for high-density wiring or differential inputs for superior noise rejection in electrically harsh environments.

This 1769-IF8 module is specifically engineered to address the challenge of seamlessly integrating real-time analog field measurements—such as temperature, pressure, flow rate, and liquid levels—into digital control loops. By converting precise sensor signals into digitized feedback, the 1769-IF8 resolves issues related to signal degradation, measurement inaccuracy, and complex multivariable process monitoring. The 1769-IF8 is widely deployed across various industrial automation sectors, including water and wastewater management, chemical and petrochemical processing, oil and gas distribution, food and beverage manufacturing, and automated assembly plants.

From an installation and physical integration perspective, the 1769-IF8 is equipped with a robust set of hardware features for secure mounting and reliable connectivity. The 1769-IF8 supports dual mounting options: panel mounting via upper and lower tabs or 35 mm DIN rail mounting secured by upper and lower DIN rail latches . Physical alignment between adjacent modules is guided by upper and lower tongue-and-groove slots  and locked in place using a top bus lever with a locking function . Electrical interconnection across the Compact I/O backplane is achieved via a movable bus connector with female pins on the left and a stationary bus connector with male pins on the right.
Revisions

Revision Part #

Also known as

1769-IF8 Ser A
1769-IF8/A, Series A, Rev A
Alternative Names
1769-1F8 1769-IFB 17691F8 1769IF8 1769IFB I769-1FB 1769-IF4 1769-OF2 1769-OF8C 1769-OF8V
Technical notes
The Allen Bradley 1769-IF8 CompactLogix module is an 8-channel analog input module. It has 8 differential voltage/current inputs and a transmission distance of 8 modules.
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FAQS

The following is a list of questions commonly asked by our customers. Please contact us if you have a question about our process that is not answered below.
What are the key benefits of the 1769-IF8?
The 1769-IF8 combines eight analog input channels into a single compact module, reducing cabinet space, lowering hardware costs, and simplifying control system design compared with using multiple low-density analog input modules.
What types of signals does the 1769-IF8 support?
The module accepts analog input signals from a wide variety of field instruments, including temperature transmitters, pressure sensors, flowmeters, level sensors, and other industrial measurement devices.
How does the 1769-IF8 improve signal accuracy?
The 1769-IF8 features high-impedance input channels that help maintain signal integrity. It accurately converts analog measurements into digital values, ensuring reliable data acquisition for process monitoring and control.
How does the 1769-IF8 reduce electrical noise?
By supporting differential signal wiring and high-impedance input circuitry, the 1769-IF8 minimizes the effects of electrical noise and signal degradation, improving measurement reliability in demanding industrial environments.