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Allen-Bradley 1756-OB16I ControlLogix Isolated Digital Output Module

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Allen-Bradley 1756-OB16I

by Allen-Bradley

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OverviewThe Allen-Bradley 1756-OB16I ControlLogix Isolated Digital Output Module is engineered to provide precise and robust control in demanding industrial automation settings. This module, a core component of the ControlLogix platform, provides exceptional reliability for mission-critical applications. It features 16 channels with independent isolation, ensuring secure and separate control for each connected device. This design significantly enhances electrical protection against ground loops and transient spikes. The 1756-OB16I operates within a versatile 10-30V DC range, making it highly compatible with a wide array of PLC-based systems. It is an essential element for applications requiring uncompromising signal integrity and isolation, particularly for industries aiming to optimize control processes, minimize downtime, and protect sensitive equipment through advanced signal isolation.Key Features 16 Independently Isolated Outputs: Ensures separate and secure control for each channel, preventing interference and boosting system dependability. Broad Operating Voltage (10-30V DC): Offers extensive compatibility with various DC power systems, providing flexibility across industrial setups. 12/24V DC Source Category: Optimized for standard industrial DC power applications, ensuring efficient power management. Enhanced Electrical Protection: Individual isolation of outputs reduces the risk of electrical noise, ground loops, and transient voltage damage to connected devices. Seamless ControlLogix Integration: Designed for easy compatibility and integration within Allen-Bradley ControlLogix automation systems. Durable Industrial Construction: Built to withstand harsh industrial conditions, ensuring long-term operational stability and reduced maintenance. Removable Terminal Block Support: Compatible with 1756-TBCH or 1756-TBS6H terminal blocks for simplified wiring, installation, and maintenance. Technical Specifications Model: 1756-OB16I Series: ControlLogix I/O Modules Number of Outputs: 16 (Individually Isolated) Voltage Range: 10-30V DC Voltage Category: 12/24V DC Source Removable Terminal Block Compatibility: 1756-TBCH or 1756-TBS6H Mounting: ControlLogix Chassis Certifications: UL, CE, RoHS Applications Advanced Industrial Automation & Process Control: Enables efficient and isolated control of critical output signals in complex manufacturing and processing lines. Precision Machine Control Systems: Delivers accurate and isolated signal control for robotics, motion systems, and specialized machinery. Enhanced Power Distribution & Safety Systems: Utilizes individual isolation to significantly improve electrical safety and protection within power management infrastructures. Supervisory Control and Data Acquisition (SCADA) Systems: Supports reliable digital output requirements in remote monitoring and control applications. PLC-Based Control Systems: Ideal for integrating high-performance isolated output capabilities into Programmable Logic Controller architectures. Factory Automation: Essential for controlling diverse industrial devices, including actuators, indicators, and motor starters, with enhanced electrical separation. Why Choose This Model? Unwavering Reliability: The 1756-OB16I provides consistent and dependable performance in the most demanding industrial environments, minimizing downtime. Superior Electrical Isolation: With 16 individually isolated outputs, this module offers unparalleled protection, safeguarding your equipment and ensuring signal integrity. Effortless ControlLogix Ecosystem Integration: As an authentic Allen-Bradley product, it guarantees perfect compatibility and optimized performance within your existing ControlLogix architecture. Adaptable to Various Applications: Its broad voltage range and robust design make it suitable for a wide array of industrial applications, offering flexibility and efficiency. Order NowReady to upgrade your industrial control systems? Contact us today to learn more about the Allen-Bradley 1756-OB16I and how it can benefit your operations. Our team is available to assist with product selection, technical support, and order placement.FAQHow many isolated outputs does the 1756-OB16I module feature?The 1756-OB16I module is equipped with 16 individually isolated digital output channels.What is the operating voltage range for this module?This module operates within a 10-30V DC voltage range.Which terminal blocks are compatible with the 1756-OB16I?The 1756-OB16I is compatible with 1756-TBCH or 1756-TBS6H removable terminal blocks.Can this module be used in harsh industrial settings?Yes, the 1756-OB16I features a high-reliability industrial design built to withstand harsh conditions, ensuring long-term operational stability.What are the primary benefits of individual output isolation?Individual output isolation minimizes electrical noise, prevents ground loops, and protects connected devices from transient voltage damage, enhancing system reliability and safety.

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PRODUCT DETAILS

Allen-Bradley 1756-OB16I

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

  • Model: 1756-OB16I
  • Series: ControlLogix I/O Modules
  • Number of Outputs: 16 (Individually Isolated)
  • Voltage Range: 10-30V DC
  • Voltage Category: 12/24V DC Source
  • Removable Terminal Block Compatibility: 1756-TBCH or 1756-TBS6H
  • Mounting: ControlLogix Chassis
  • Certifications: UL, CE, RoHS

Applications

  • Advanced Industrial Automation & Process Control: Enables efficient and isolated control of critical output signals in complex manufacturing and processing lines.
  • Precision Machine Control Systems: Delivers accurate and isolated signal control for robotics, motion systems, and specialized machinery.
  • Enhanced Power Distribution & Safety Systems: Utilizes individual isolation to significantly improve electrical safety and protection within power management infrastructures.
  • Supervisory Control and Data Acquisition (SCADA) Systems: Supports reliable digital output requirements in remote monitoring and control applications.
  • PLC-Based Control Systems: Ideal for integrating high-performance isolated output capabilities into Programmable Logic Controller architectures.
  • Factory Automation: Essential for controlling diverse industrial devices, including actuators, indicators, and motor starters, with enhanced electrical separation.

Why Choose the 1756-OB16I?

  • Unwavering Reliability: The 1756-OB16I provides consistent and dependable performance in the most demanding industrial environments, minimizing downtime.
  • Superior Electrical Isolation: With 16 individually isolated outputs, this module offers unparalleled protection, safeguarding your equipment and ensuring signal integrity.
  • Effortless ControlLogix Ecosystem Integration: As an authentic Allen-Bradley product, it guarantees perfect compatibility and optimized performance within your existing ControlLogix architecture.
  • Adaptable to Various Applications: Its broad voltage range and robust design make it suitable for a wide array of industrial applications, offering flexibility and efficiency.

Availability & Shipping

  • In stock: 1756-OB16I 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-OB16I ships with a 1-Year PALM Parts warranty and a 30-day return window.
SUPPORT

Frequently Asked Questions — Allen-Bradley

The 1756-OB16I module is equipped with 16 individually isolated digital output channels.

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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Independent Supplier Notice

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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