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2.5-Year Warranty · Free Shipping · Same-Day Shipping 980-202-0882 · Charlotte, NC

Allen-Bradley 1756-OB16D ControlLogix Output Module 16 Point Digital Output Module

Manufacturer: Allen-Bradley
MPN: 1756-OB16D
UPC/GTIN: 612598164530

$504.00

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The 1756-OB16D is an Allen-Bradley 16-point 24V DC diagnostic sourcing output module for the ControlLogix platform. Features open-wire detection and timestamped diagnostics for enhanced fault isolation in critical control applications.

Channels 16 DC diagnostic outputs
Output Type Sourcing, diagnostic
Rated Voltage 24V DC
Diagnostics Open-wire detection, timestamp
Platform ControlLogix (1756)
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PLC Exchange is not an authorized distributor: Products ship in unopened, original manufacturer-marked packaging. See Original Packaging or Warranty for more information.

SKU: 1756-OB16D Categories: , Tags: ,

Description

Allen-Bradley 1756-OB16D

The 1756-OB16D is a 16-point 24V DC diagnostic sourcing output module for the Allen-Bradley ControlLogix platform. In addition to standard sourcing output capability, each channel provides open-wire detection diagnostics with timestamped fault data for rapid troubleshooting. This enables predictive maintenance strategies and reduces downtime by identifying wiring faults before they cause process disruptions.

Tech Data (1756-TD001)

Module Overview
Catalog Number 1756-OB16D
Type DC Diagnostic Sourcing Output
Channels 16
Rated Voltage 24V DC
Operating Range 20.4…28.8V DC
Diagnostics Open-wire detection, timestamp
Platform ControlLogix (1756)
Electrical Specifications
Max Current per Point 0.5A continuous
Max Current per Module 4.0A
Open-Wire Detection Yes
Timestamped Diagnostics Yes
Leakage Current ≤0.1 mA
Source: All specifications verified against Allen-Bradley ControlLogix I/O Documentation, 2024.

PLC Exchange products ship in their unopened, manufacturer-marked Original Packaging. Because we are not an authorized distributor, we are not legally allowed to claim these items as “New”, “Factory Sealed”, or any other term that may imply such. We have over 10 years of experience working with trusted suppliers to make sure you receive the top-quality hardware you need. Items ship in their original packaging, with the same function and contents as OEM-supplied materials. PLC Exchange is an independent supplier of industrial automation products and is not affiliated with the brand manufacturer or any of its authorized distributors. All warranties are provided directly by PLC Exchange. Trademarks, logos, and brand names referenced are property of their respective owners and are used for descriptive identification only.

Technical Notes for 1756-OB16D

  • Refer to the manufacturer's installation instructions for proper mounting, wiring, and configuration.
  • Ensure compatibility with your existing system architecture before ordering.
  • All 1756-OB16D units sold by PLC Exchange are tested and ship in original factory packaging.
  • For application-specific questions or system compatibility verification, contact PLC Exchange technical support at [email protected] or 980-202-0882.

Alternative Part Numbers & Names for 1756-OB16D

The 1756-OB16D by Allen-Bradley may also be found under the following alternative names, catalog numbers, or common search variations:

  • 1756OB16D
  • Allen Bradley 1756-OB16D
  • Allen-Bradley 1756-OB16D
  • 1756 OB16D
  • 1756/OB16D
  • ControlLogix 1756-OB16D

All variations refer to the same Allen-Bradley product. If you are unsure whether this is the correct part for your application, contact our team for assistance.

Additional information

Weight 0.57 lbs
Dimensions 3.94 × 2.28 × 5.67 in
mpn

1756-OB16D

manufacturer

Allen-Bradley

condition

Original Packaging

warranty

2.5 Year PLC Exchange Warranty, 30 Days worry-free return from delivery

upc

612598164530

Dimensions & Weight for 1756-OB16D

Shipping Dimensions
Weight0.57 lbs
Length3.94 in
Width2.28 in
Height5.67 in
Box Dimensions (L×W×H)3.94 × 2.28 × 5.67 in

Dimensions shown are for the shipping package. For module-level mechanical dimensions, refer to the manufacturer datasheet.

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Frequently Asked Questions

Where can I find the technical datasheet for the 1756-OB16D?

The official manufacturer datasheet is available for download on the 1756-OB16D product page at PLC Exchange. Look for the Tech Data PDF link in the product description.

Does the 1756-OB16D include a warranty?

Yes. Every 1756-OB16D sold by PLC Exchange includes a 2.5-year warranty (30 months, full replacement). Details: https://plcexchange.net/warranty-information/

What is the return policy for the 1756-OB16D?

PLC Exchange offers a 30-day worry-free return policy. Eligibility and details: https://plcexchange.net/return-policy/

When will my 1756-OB16D ship?

In-stock orders placed before 4 PM ET ship the same business day via free UPS Ground. Expedited options (Next Day Air, 2nd Day Air) are available at checkout.

Who manufactures the 1756-OB16D?

The 1756-OB16D is manufactured by Allen-Bradley. PLC Exchange is an independent reseller specializing in Allen-Bradley industrial automation products.

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