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Allen-Bradley 1756-IF8
Allen-Bradley 1756-IF8
· Product image is representative; revision or series may vary. Contact us to request a specific version.

1756-IF8

Analog input module
In Stock
Ships by Tuesday, June 23
Fast Shipping Available

Product Information:

The Allen-Bradley 1756-IF8 is an industrial-grade 8-channel non-isolated analog input module for Rockwell Automation's ControlLogix platform. It connects standard field transmitters such as flow meters, pressure sensors, and temperature sensors to ControlLogix programmable logic controllers (PLCs).

The Allen-Bradley ControlLogix 1756-IF8 input module supports various input configurations, enabling powerful data processing capabilities. Designed to meet advanced measurement needs, this module effectively handles a wide range of voltage and current inputs.

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Technical specifications for 1756-IF8

  • Manufacturer:
    Allen-Bradley
  • Product Category:
    PLC System
  • Spare Part Number:
    1756IF8 1756-IF8/A
  • Estimated shipping dimensions:
    3.5x14.2x14.5cm
  • Weight:
    0.2 kg
  • Tariff Code:
    8537101190
  • Country of origin:
    USA
  • Place of shipment:
    Xiamen, Fujian, China
  • Backplane Current (24Volts):
    40 mA
  • Backplane Current (5Volts):
    150 mA
  • No. of Inputs:
    8- channel Voltage / Current inputs
  • Input Resolution:
    ±10.25V: 320 µV/count (15 bits plus sign bipolar)
  • Inputs:
    2 high-speed differential, 4 differential, 8 single-ended
  • Power Consumption:
    1.73 Watts (Voltage Mode), 2.33 Watts (Current Mode)
  • Product Line:
    ControlLogix
  • Product Type:
    AI Analog Input
  • Input Current Range:
    0 to 20 mA
  • Total Backplane Power:
    1.73 Watts
  • Input Impedance:
    1 Megaohm (Voltage Mode), 249 Ohms (Current Mode)
  • Stock:
    50

Revisions

Revision Part #

Also known as

1756-IF8/A
1756-IF8 Ser A, Series A, Rev A

Alternative Names

1756IF8 1756 IF8 I756-IF8 1756-1F8 1756-IFB I756-1FB 1756-OF6VI 1756-IC16/A 1756-IC16 1756-IT6I 1756-IT6I A 1756-IV16-A 1756-OB32

Information

Overview Manuals In terms of power consumption

Features:

  • Input module from ControlLogix series accommodates various input configurations for robust data handling
  • Designed to support advanced measurement needs, it functions effectively with different voltage and current inputs
  • 8 single-ended inputs, 4 differential inputs, 2 high-speed differential inputs
The Allen Bradley 1756-IF8 is an input module designed specifically for ControlLogix sensor series. This module offers multiple input configurations, including eight single-ended inputs, four differential inputs, and two high-speed differential inputs. This wide input range allows for flexible monitoring of various signal types.

For current input, the module supports a current range of 0 to 20 mA, compatible with various sensor types. For voltage input, it can accurately handle voltage values ​​from -10 to 10V, 0 to 10V, or 0 to 5V. The module has low power consumption, consuming 150 mA with a 5.1V DC supply and 40 mA with a 24V DC supply, with a total backplane power consumption of only 1.73 watts.

The 1756-IF8 Allen Bradley Analog input module may still be available for purchase and support from Moore Automated Company beyond End-Of-Life (EOL) by the manufacturer (OEM).
Allen Bradley 1756-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.
The module consumes 1.73 watts in voltage mode and 2.33 watts in current mode. The device has an input impedance of 1 megohm in voltage mode and 249 ohms in current mode, ensuring compatibility with standard sensors. Furthermore, onboard data alarms and real-time channel sampling enhance its application value, while the employed Σ-Δ conversion method improves the accuracy and reliability of signal processing.

Technical notes

The Allen-Bradley ControlLogix 1756-IF8 is an 8-channel non-isolated high-resolution analog input module widely used in large-scale automated control systems. Its core technologies include: support for 8 single-ended inputs or 4 differential inputs; accurate acquisition of ±10.25V, 0-10.25V, and 0-5.125V voltage signals and 0-20.5mA current signals (compatible with standard 4-20mA process loops); and an advanced producer/consumer network design enabling efficient data status sharing and asynchronous broadcasting across multiple controllers.

Ask our team:

  • How does the 1756-IF8 ensure measurement integrity and noise immunity in electrically noisy industrial environments?
    Featuring advanced isolation techniques and filtered analog front-ends, the 1756-IF8 module provides galvanic isolation per channel to mitigate ground loop disturbances, while its robust signal conditioning enhances noise rejection, ensuring reliable and stable signal acquisition.
  • In terms of data resolution and accuracy, what distinguishes the 1756-IF8 in high-performance control systems?
    With 16-bit resolution and ±0.1% accuracy, the 1756-IF8 module delivers finely granulated analog data conversion, facilitating precise process monitoring and control, which is essential for maintaining tight tolerances in critical industrial operations.
  • What diagnostic capabilities are embedded in the 1756-IF8 to enhance predictive maintenance and system uptime?
    The 1756-IF8 incorporates comprehensive diagnostics, including channel fault detection, open/short circuit detection for current loops, and module health monitoring, which provide early warnings of potential failures to minimize unplanned downtime.
  • What environmental and operational standards does the 1756-IF8 comply with to guarantee robust industrial deployment?
    The 1756-IF8 module conforms to stringent industrial standards including UL, CE, and CSA certifications, and is engineered to operate reliably within extended temperature ranges and withstand vibration and shock, making it suitable for rigorous manufacturing environments.
  • What firmware and software tools are recommended for optimizing the configuration and performance of the 1756-IF8 module?
    The 1756-IF8 module configuration and diagnostics are fully supported within Rockwell Automation’s Studio 5000 environment, offering streamlined programming, real-time monitoring, and firmware updates to maximize operational efficiency and adaptability.
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Moore Disclaimer: Moore Automated's sales automation equipment and related solutions are intended for industrial automation and business operational efficiency improvement purposes only. Product information, technical parameters, and application cases are for reference only and do not constitute an absolute guarantee of performance for any specific industry, scenario, or final application. Actual equipment performance may vary depending on factors such as the usage environment, system integration method, and maintenance conditions. Users should confirm compatibility and safety based on professional technical assessments. Moore Automated assumes no liability for any direct or indirect losses caused by improper use, modification, or failure to operate according to specifications, to the extent permitted by law.