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Allen-Bradley 1756-OF8
Allen-Bradley 1756-OF8
Allen-Bradley 1756-OF8
· Product image is representative; revision or series may vary. Contact us to request a specific version.

1756-OF8

ControlLogix 8 Pt A/O I or V Module

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Need more help? You may also find the answer in our FAQ section

Shipping Information

  • For inventory products, we support same day shipping upon payment.
  • For urgent needs, we offer same-day shipping on most items for orders placed before 2:00 PM UTC+8 Simply mention your preferred next-day shipping when place the order, and your order will be prioritized to minimize downtime.
  • For indent items, typical turnaround is 1-3 weeks, depending on parts availability and scarcity.

Technical specifications for 1756-OF8

  • Product Model
    1756-OF8
  • Spare Model
    1756OF8 1756-OF8/A
  • Product Parameters
    ControlLogix 8 Pt A/O I or V Module
  • Tariff Code
    8537101190
  • Country of origin
    USA
  • Place of shipment
    Xiamen, China
  • Estimated Shipping Size
    23.3x18.3x5.3cm
  • Manufacturer
    Allen-Bradley
  • Weight
    0.35 kg
  • Output Current Range
    0-20 mA
  • Output Voltage Range
    +/- 10VDC
  • Resolution
    15bit
  • Overvoltage protection
    24V DC
  • Outputs
    8 Current-Voltage
  • Backplane Current (5Volts)
    140 milliamps
  • Backplane Current (24 Volts)
    210 milliamps

Description

OUTPUT MODULE
CONTROLLOGIX
ANALOG
8 POINT
SINGLE ENDED OUTPUTS
CURRENT AND VOLTAGE

Revisions

Revision Part #

Also known as

1756-OF8/A
1756-OF8 Rev A

Information

Overview Manuals Technical notes Product Applications Core Electrical Protections Diagnostic and Monitoring Functions

Features:

  • ControlLogix voltage/current output analog module
  • Analog I/O Modules
  • All terminals marked RTN are connected internally
The Allen-Bradley 1756-OF8 is an analog output module from the ControlLogix product family. This module features Eight (8) output channels, configurable for +/-10VDC Voltage and 0-20 mA Current output signals with resolution of 15 bits across 21 mA - 650 nA/bit and 15 bits across 10.4V - 320 µV/bit. It may be used as a local or distributed I/O module.

The 1756-OF8 Allen-Bradley Analog output module may still be available for purchase and support from Amikon Limited beyond End-Of-Life (EOL) by the manufacturer (OEM).
Allen-Bradley 1756-OF8 Analog output module Manuals, Datasheets, Drivers, 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 1756-OF8 requires removable terminal blocks for wiring of input signals. Appropriate terminal blocks are 1756-TBNH and 1756-TBSH. For 1756-TBNH, applicable wire size is 0.33…2.1 mm2 (22…14 AWG) solid or stranded copper wire, rated at 105 °C (221 °F) or greater, 1.2 mm (3/64 in.) insulation max. for single wire connection and 0.33…1.3 mm2(22…16 AWG) solid or stranded copper wire, rated at 105 °C (221 °F) or greater, 1.2 mm (3/64 in.) insulation max. for double wire connection. When 1756-TBSH is used, appropriate wire size is 0.33…2.1 mm2 (22…14 AWG) solid, or stranded shielded copper wire rated at 105 °C (221 °F), or greater, 1.2 mm (3/64 in.) insulation max. Only single wire connection is applicable for the 1756-TBSH.
  • Process Control & Optimization:Regulates flow, temperature, and pressure via proportional valves & actuators.
  • Water & Wastewater Treatment:Manages chemical dosing pumps and modulates filtration flow.
  • Food & Beverage Production:Controls pasteurization heaters & adjusts motor speeds for consistency.
  • Pharmaceutical Manufacturing:Ensures climate/pressure control in clean rooms & manages batch reactors.
This content has been produced using multiple sources.Amikon takes no responsibility for the accuracy of this information. Always consult the original equipment manufacturer for the most up to date instructions and information.
Short-Circuit Protection: All channels are electronically current-limited to 21 mA or less. This prevents damage if an output is inadvertently shorted to common.
Overvoltage Protection: The module can withstand external voltages up to 24V DC on its output terminals without sustaining damage. Some technical datasets from Rockwell Automation specify protection up to ±30V DC for certain isolated variants.
Reverse Current Protection: Built-in protection prevents damage from back-fed current, making the module an exception to standard output fusing recommendations in many applications.
Open-Circuit Detection: Available specifically for current outputs. It triggers when the output is set to more than 0.1 mA but the loop is broken.
Module Health Indicators: Front-panel LEDs provide immediate visual status on module power, communication, and individual channel faults.
Electronic Keying: A software-based protection that ensures the physical module in the chassis matches the configuration in the Studio 5000 Logix Designer (exact match or compatible revision) to prevent incorrect module replacement. 
What happens next
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Delivery and payment
Delivery
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International delivery available
Same day dispatch from warehouse inventory
Warranty
All parts new original are covered by Amikon 12 month warranty

Returns
No hassle returns policy

Dedicated customer support team

Payment options
We accept Bank transfers and the following methods of payment:

For more information, please visit our dedicated payments page.
Why Choose Amikon Limited?

When it comes to industrial automation, reliability, speed, and trust matter. At Amikon Limited, we go beyond just supplying parts — we deliver confidence.

  • Extensive Inventory Reach: Nearly 1 million automation parts at your fingertips, including legacy and obsolete models.
  • 20+ Years of Expertise: Trusted by engineers, project managers and government companies worldwide for our professional service.
  • Quality You Can Trust: Each unit is strictly inspected by the warehouse staff to ensure product quality
  • Fast Global Shipping: We help you minimize downtime with express logistics worldwide.
  • 1-Year Warranty Available: Peace of mind with every purchase backed by one year warranty guarantee.
  •  

Whether you're maintaining legacy systems or building future-ready projects, Amikon Limited is your dependable partner in precision and performance.


FAQs

  • What is 1756-OF8?

    +
    The Allen-Bradley 1756-OF8 is a 8-channel ControlLogix analog output module that supports voltage (-10 to 10V) or current (4-20mA) signals with 15-bit resolution.
  • What is the difference between 1756-OF8 and 1756-OF8I?

    +
    The 1756-OF8 (standard) does not have individual channel isolation, whereas the 1756-OF8I provides individual channel isolation.
  • What is the 1756-OF8 maximum load?

    +
    For current loops, the drive capability is 0 to 750 ohms.
  • Do you offer global delivery?

    +
    Yes. We delivery the 1756-OF8 to the worldwide. and we are able to quickly deliver parts globally to any corner of the world. Unless otherwise specified, we will ship your order via (Fedex). We can also ship through FedEx, UPS, and TNT, etc. We can also use your account.
  • What is the resolution of the 1756-OF8?

    +
    The 1756-OF8 has 15 bits across 21 mA - 650 nA/bit and 15 bits across 10.4V - 320 µV/bit resolution.
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Disclaimer: Amikon Limited sells new and surplus products and develops channels for purchasing such products. Amikon Limited is not an authorized surplus dealer or affiliate for the Manufacturer of this product. The product may have older date codes or be an older series than that available direct from the factory or authorized dealers. Because Amikon Limited is not an authorized distributor of this product, the Original Manufacturer's warranty does not apply. Amikon Limited is not an authorized distributor, dealer, or representative of the products displayed on this website. All product names, trademarks, brands, and logos used on this website are the property of their respective owners. The description, explanation, or sale of products with these names, trademarks, brands, and logos is for identification purposes only and is not intended to indicate any association with or authorization from any rights holder.
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