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Allen-Bradley 1756-OB16E 16-point DC digital output module for ControlLogix.

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Allen-Bradley 1756-OB16E

by Allen-Bradley

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OverviewThe Allen-Bradley 1756-OB16E is a robust 16-point DC digital output module crafted for demanding ControlLogix automation environments. This module features electronically fused outputs, delivering exceptional protection for connected devices against overcurrent and short-circuit conditions. Operating across a 10–31.2V DC range, this sourcing-type output module is a crucial element for industrial applications prioritizing safety, continuous performance, and minimal interruptions. It integrates smoothly into 12/24V DC systems and offers flexible connectivity via Removable Terminal Block (RTB) housings 1756-TBNH or 1756-TBSH, which are acquired separately. Its compatibility with Studio 5000 software streamlines configuration, diagnostics, and monitoring, enabling engineers to fine-tune their control approaches with precision.Key Features 16 Sourcing DC Outputs: Designed for 12/24V DC systems, offering wide compatibility with industrial equipment. Electronically Fused Outputs: Provides individual protection for each connected device, guarding against electrical faults and extending system life. Broad Operating Voltage: Functions consistently across 10–31.2V DC, adapting to various power conditions. High-Density Construction: Optimizes panel space with a 20-pin RTB connection, suitable for intricate control setups. Clear LED Indicators: Offers per-channel output and fault status for quick troubleshooting and operational awareness. Hot-Swappable Design: Facilitates fast maintenance without disrupting crucial system operations. Integrated with Studio 5000: Simplifies setup, configuration, and advanced diagnostics within the Rockwell Automation environment. Technical Specifications Catalog Number: 1756-OB16E Output Count: 16 sourcing Voltage Category: 12/24V DC Operating Voltage: 10–31.2V DC Output Current (per channel): 1.0 A maximum Total Output Current: 8.0 A maximum Protection: Electronic fusing (per output) Isolation Voltage: 250V continuous Backplane Current: Approximately 160 mA @ 5.1V DC Connector Type: 20-pin RTB (sold separately, compatible with 1756-TBNH or 1756-TBSH) Operating Temperature: 0°C to +60°C Mounting: ControlLogix chassis Applications DC Load Management: Effectively controls relays, solenoids, indicators, and other essential DC-powered field devices. Material Handling Systems: Enhances protection and operational uptime for conveyors, robotic systems, and automated storage. Discrete Automation: Provides a high-density output solution with built-in safety features for assembly lines and packaging. OEM Systems: Offers a compact, reliable, and scalable output solution for integration into specialized equipment. Process Automation: Ideal for managing various actuators and indicators in process control, ensuring precise and secure operation. Why Choose This Model? Superior Device Protection: Electronically fused channels provide advanced safeguarding for valuable field devices against electrical faults. Enhanced System Dependability: Minimize downtime and improve operational continuity through robust design and fault protection. Seamless ControlLogix Integration: Experience effortless compatibility and optimized performance within existing and new ControlLogix platforms. Simplified Maintenance: Hot-swappable functionality and clear LED diagnostics streamline troubleshooting and reduce maintenance efforts. Space-Efficient and Flexible: Its high-density design and broad voltage compatibility make it suitable for a wide array of industrial uses. Global Reach and Support: The Allen-Bradley 1756-OB16E is widely recognized, ensuring access to support and spare parts globally. Order NowElevate the reliability and performance of your industrial automation system today with the Allen-Bradley 1756-OB16E module.FAQWhat is the Allen-Bradley 1756-OB16E?It is a 16-point DC digital output module designed for ControlLogix systems, featuring electronically fused outputs for enhanced protection of connected devices.What are the key protective features of this module?The module includes electronically fused outputs, providing individual protection against overcurrent and short-circuit conditions for each channel.Is this module compatible with existing ControlLogix setups?Yes, it offers seamless integration and optimized performance within new and existing ControlLogix platforms.What type of connectivity does it support?It supports flexible connectivity through 20-pin Removable Terminal Block (RTB) housings 1756-TBNH or 1756-TBSH, which must be purchased separately.What software is used for configuration and diagnostics?The module is compatible with Studio 5000 software, simplifying setup, configuration, and advanced diagnostics.

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PRODUCT DETAILS

Allen-Bradley 1756-OB16E

Overview

This is a genuine Allen-Bradley component from the ControlLogix family. PalmPartsSolution stocks it in new, refurbished, and surplus condition with tested warranty and same-day shipping on in-stock units.

Whether you are sourcing a like-for-like replacement for an existing installation, an emergency spare to keep a line running, or a qualified part for a new build, our team can confirm availability, revision, and lead time before you order.

Key Features

  • Genuine Allen-Bradley catalog part
  • Tested before shipment
  • Backed by PalmPartsSolution warranty
  • Cross-reference and revision assistance available
  • Compatible with the broader Allen-Bradley automation ecosystem
  • Engineered to integrate inside ControlLogix installations

Compatibility

When ordering, match the full catalog/part number, hardware revision, and firmware revision called out by your Allen-Bradley equipment. Where applicable, confirm:

  • Input/output voltage and current rating
  • Communication protocol and network role
  • Mounting form factor and footprint
  • Operating temperature, humidity, and IP rating
  • Required certifications (UL, CE, ATEX, marine, etc.)

Not sure which revision you need? Send us the catalog number on the nameplate and we will confirm the correct match.

Replacement Information

Three ways to source this part through PalmPartsSolution:

  1. Exact replacement — same Allen-Bradley catalog number, new or refurbished, tested and warrantied
  2. Form-fit-function equivalent — alternate revision or build that drops in without code changes
  3. Engineered migration — current-generation Allen-Bradley platform with documented conversion notes for the ControlLogix family

Contact our engineering team if you need help choosing between these tracks.

Technical Specifications

  • Catalog Number: 1756-OB16E
  • Output Count: 16 sourcing
  • Voltage Category: 12/24V DC
  • Operating Voltage: 10–31.2V DC
  • Output Current (per channel): 1.0 A maximum
  • Total Output Current: 8.0 A maximum
  • Protection: Electronic fusing (per output)
  • Isolation Voltage: 250V continuous
  • Backplane Current: Approximately 160 mA @ 5.1V DC
  • Connector Type: 20-pin RTB (sold separately, compatible with 1756-TBNH or 1756-TBSH)
  • Operating Temperature: 0°C to +60°C
  • Mounting: ControlLogix chassis

Applications

  • DC Load Management: Effectively controls relays, solenoids, indicators, and other essential DC-powered field devices.
  • Material Handling Systems: Enhances protection and operational uptime for conveyors, robotic systems, and automated storage.
  • Discrete Automation: Provides a high-density output solution with built-in safety features for assembly lines and packaging.
  • OEM Systems: Offers a compact, reliable, and scalable output solution for integration into specialized equipment.
  • Process Automation: Ideal for managing various actuators and indicators in process control, ensuring precise and secure operation.

Why Choose the 1756-OB16E?

  • Superior Device Protection: Electronically fused channels provide advanced safeguarding for valuable field devices against electrical faults.
  • Enhanced System Dependability: Minimize downtime and improve operational continuity through robust design and fault protection.
  • Seamless ControlLogix Integration: Experience effortless compatibility and optimized performance within existing and new ControlLogix platforms.
  • Simplified Maintenance: Hot-swappable functionality and clear LED diagnostics streamline troubleshooting and reduce maintenance efforts.
  • Space-Efficient and Flexible: Its high-density design and broad voltage compatibility make it suitable for a wide array of industrial uses.
  • Global Reach and Support: The Allen-Bradley 1756-OB16E is widely recognized, ensuring access to support and spare parts globally.

Availability & Shipping

  • In stock: 1756-OB16E ready for immediate dispatch from our Florida warehouse.
  • Free USA shipping: FedEx Priority (2–5 business days) and UPS Ground (3–5 business days). Expedited options available at checkout.
  • Worldwide delivery: FedEx International Priority (1–5 days), UPS International Priority (3–5 days), and USPS International (5–10 days) — rates calculated at checkout.
  • Bulk pricing: Volume discounts on request — contact our sales team for quantity quotes.
  • Buy with confidence: Every 1756-OB16E ships with a 1-Year PALM Parts warranty and a 30-day return window.
SUPPORT

Frequently Asked Questions — Allen-Bradley

It is a 16-point DC digital output module designed for ControlLogix systems, featuring electronically fused outputs for enhanced protection of connected devices.

Machine down? We ship parts the same day.

New, surplus, and refurbished Allen-Bradley inventory in stock. Request a quote or speak directly with an automation specialist for emergency sourcing.

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PALM Parts Solution operates as an independent industrial automation supplier and is not an authorized distributor or affiliate of any listed manufacturer or brand name. Manufacturer trademarks and product names are used solely for identification purposes. Original manufacturer warranties do not apply. All products sold by PALM Parts are backed by our own 1-year warranty.

Product Condition & Firmware

All products are sold as new unless stated otherwise. Original manufacturer packaging may show signs of handling, storage, or shelf wear. Date codes and series may vary from current factory production. PALM Parts does not guarantee the presence, version, or compatibility of any firmware on PLC or automation products.

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