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Allen-Bradley 1794-OB16D Flex I/O 16-point digital output module for industrial automation

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Allen-Bradley 1794-OB16D

by Allen-Bradley

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OverviewThe Allen-Bradley 1794-OB16D is a high-performance Flex I/O digital output module specifically designed for the demanding conditions of industrial automation environments. This robust Series A module provides 16 dependable 24V DC source outputs, incorporating advanced diagnostics and single group isolation to ensure precise and efficient operational control. As an integral component of the adaptable Flex I/O family, the 1794-OB16D offers a modular and expandable solution for distributed control applications, facilitating smooth integration and system expansion.Key Features 16 Source Outputs (PNP): Delivers dependable digital control for diverse industrial uses, ensuring precise operation of connected equipment. 24V DC Operation: Complies with common industrial voltage requirements, allowing for broad compatibility and straightforward incorporation into existing systems. Integrated Diagnostics: Offers real-time monitoring and fault detection, significantly increasing system availability and simplifying troubleshooting. Single Group Isolation (16 Outputs): Provides robust electrical separation for enhanced safety and reduced interference, protecting critical industrial processes. Compact Flex I/O Design: Optimizes control panel space and enables flexible, easy placement within various control cabinets and distributed I/O setups. Series A Compatibility: Guarantees seamless integration and consistent operation within existing Allen-Bradley Flex I/O infrastructures, simplifying updates and expansions. DIN Rail Mounting: Ensures rapid and secure installation, streamlining both setup and maintenance procedures in industrial settings. Technical Specifications Model: 1794-OB16D Series: A Number of Outputs: 16 Output Type: Source (PNP) Voltage Rating: 24V DC Diagnostics: Built-in functionality Isolation: 1 group of 16 outputs Mounting Type: DIN rail Certifications: CE, UL, RoHS Applications Industrial Automation & Process Control: Expertly manages digital output signals for precise control of manufacturing lines, assembly processes, and other automated operations. Manufacturing & Packaging Systems: Provides reliable control over actuators, solenoids, motors, and other critical components in high-speed production and packaging machinery. SCADA & Distributed Control Systems (DCS): Offers flexible and scalable I/O expansion, enhancing the capabilities of supervisory control and data acquisition systems across diverse industries. Material Handling & Robotics: Seamlessly integrates with complex motion and automation systems, supporting the precise movement and control of robotic arms, conveyors, and automated guided vehicles (AGVs). Building Management Systems (BMS): Can be utilized for controlling various building automation functions requiring reliable digital outputs. Energy Management Systems: Provides critical switching capabilities for energy monitoring and control applications in industrial settings. Why ChooseThe Allen-Bradley 1794-OB16D Flex I/O module is an excellent choice for industrial professionals seeking unparalleled reliability and performance. This module delivers: Exceptional Reliability: Engineered by Allen-Bradley, a leader in industrial automation, ensuring consistent and dependable operation in the most demanding conditions. Improved System Uptime: Integrated diagnostics allow for swift issue identification and resolution, minimizing downtime and boosting productivity. Robust Electrical Safeguards: Group isolation protects sensitive control circuitry from electrical disturbances, extending equipment lifespan. Future-Ready Scalability: As part of the Flex I/O series, it offers a modular approach to system growth. Order NowSecure your Allen-Bradley 1794-OB16D Flex I/O digital output module today to boost the efficiency and reliability of your industrial automation systems.FAQWhat is the primary function of the 1794-OB16D?The 1794-OB16D primarily functions as a digital output module, providing 16 24V DC source outputs for controlling various industrial devices and processes.Does this module include diagnostic capabilities?Yes, the 1794-OB16D features integrated diagnostics for real-time monitoring and fault detection, which helps in efficient troubleshooting and system maintenance.Is the 1794-OB16D compatible with existing Flex I/O systems?As a Series A module, the 1794-OB16D is designed for seamless integration and consistent performance within existing Allen-Bradley Flex I/O systems.What type of mounting does the module use?The 1794-OB16D uses DIN rail mounting, which allows for quick and secure installation in industrial environments.

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PRODUCT DETAILS

Allen-Bradley 1794-OB16D

Overview

This is a genuine Allen-Bradley component. 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

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

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

Technical Specifications

  • Model: 1794-OB16D
  • Series: A
  • Number of Outputs: 16
  • Output Type: Source (PNP)
  • Voltage Rating: 24V DC
  • Diagnostics: Built-in functionality
  • Isolation: 1 group of 16 outputs
  • Mounting Type: DIN rail
  • Certifications: CE, UL, RoHS

Applications

  • Industrial Automation & Process Control: Expertly manages digital output signals for precise control of manufacturing lines, assembly processes, and other automated operations.
  • Manufacturing & Packaging Systems: Provides reliable control over actuators, solenoids, motors, and other critical components in high-speed production and packaging machinery.
  • SCADA & Distributed Control Systems (DCS): Offers flexible and scalable I/O expansion, enhancing the capabilities of supervisory control and data acquisition systems across diverse industries.
  • Material Handling & Robotics: Seamlessly integrates with complex motion and automation systems, supporting the precise movement and control of robotic arms, conveyors, and automated guided vehicles (AGVs).
  • Building Management Systems (BMS): Can be utilized for controlling various building automation functions requiring reliable digital outputs.
  • Energy Management Systems: Provides critical switching capabilities for energy monitoring and control applications in industrial settings.

Why Choose the 1794-OB16D?

The Allen-Bradley 1794-OB16D Flex I/O module is an excellent choice for industrial professionals seeking unparalleled reliability and performance. This module delivers:

  • Exceptional Reliability: Engineered by Allen-Bradley, a leader in industrial automation, ensuring consistent and dependable operation in the most demanding conditions.
  • Improved System Uptime: Integrated diagnostics allow for swift issue identification and resolution, minimizing downtime and boosting productivity.
  • Robust Electrical Safeguards: Group isolation protects sensitive control circuitry from electrical disturbances, extending equipment lifespan.
  • Future-Ready Scalability: As part of the Flex I/O series, it offers a modular approach to system growth.

Availability & Shipping

  • In stock: 1794-OB16D 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 1794-OB16D ships with a 1-Year PALM Parts warranty and a 30-day return window.
SUPPORT

Frequently Asked Questions — Allen-Bradley

The 1794-OB16D primarily functions as a digital output module, providing 16 24V DC source outputs for controlling various industrial devices and processes.

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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