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Allen-Bradley 1756-OF8
i
This image is for reference only product style, specific date of manufacture and product version, please refer to the actual product delivery!

Product Information

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

Specifications

  • 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
  • Factory New

    These are new and current items that are procured from the manufacturer.
  • New No Package

    These parts are new. They have not been used, but their original packaging is no longer available.
  • New In Opened Package

    These parts are new. They have not been used, but their original packaging has been opened or the packaging is significantly aged.
  • New In Sealed Package

    Parts are new. They have not been used and still have their original package seal intact.
  • New in Original Package

    These parts are new. The packages were not originally sealed by their original manufacturer.

Warranty Period & Disclaimer

Amikon is not an authorized distributor unless otherwise specified, representative, or affiliate of the manufacturer of this product. All trademarks and documents are the property of their respective owners and are provided for identification and informational.

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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Revisions

Revision Part #

Also known as

1756-OF8/A
1756-OF8 Rev A
Product Applications
  • Power grid management and power generation, interfacing with measurement and recording instruments
  • Oil and gas refineries, chemical plants, regulating the pressure, temperature or flow levels of control valves
  • Controlling the speed of large centrifugal pumps in water and wastewater treatment plants
  • Regulating valves and actuators in chemical and food factories
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.
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Warranty
All parts new original are covered by Amikon 12 month warranty

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Product

MORE INFORMATION

Overview Manuals Technical notes 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.
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. 

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