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Allen-Bradley 1791DS-IB8XOB8 DeviceNet Safety CompactBlock I/O module

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Allen-Bradley 1791DS-IB8XOB8

by Allen-Bradley

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OverviewThe Allen-Bradley 1791DS-IB8XOB8 is a high-performance DeviceNet Safety CompactBlock I/O module, meticulously engineered to fulfill the rigorous demands of modern industrial safety applications. This resilient module seamlessly integrates into your current DeviceNet network, providing dependable and distributed input/output functionalities for crucial safety systems. Optimized for peak efficiency and safety, it delivers an all-encompassing solution for supervising and managing safety circuits in diverse industrial settings. Featuring a compact yet sturdy construction, the 1791DS-IB8XOB8 guarantees consistent operation even in challenging conditions, making it an excellent choice for improving operational safety and compliance. This essential safety I/O module from Allen-Bradley includes 8 standard 24V DC inputs for sensor integration, 4 vital test outputs for diagnostic monitoring of safety circuits, and 8 safety-rated solid-state outputs specifically designed for activating safety devices and implementing essential safety functions. Its compatibility with DeviceNet communication protocols facilitates straightforward integration and streamlined system management, allowing for precise control and rapid response in safety-critical situations. The 1791DS-IB8XOB8 exemplifies Allen-Bradley's dedication to producing dependable and advanced safety control components.Key Features DeviceNet Communication: Integrates effortlessly into DeviceNet networks, enabling distributed and efficient I/O for complex safety systems. 8 Standard 24V DC Inputs: Provides robust connectivity for various sensors and input devices within your safety architecture. 4 Dedicated Test Outputs: Offers crucial diagnostic capabilities for continuous monitoring and verification of safety circuit integrity, enhancing system reliability. 8 Safety Solid-State Outputs: Equipped with safety-rated outputs designed for precise control and activation of safety devices and functionalities. CompactBlock Design: Features a durable and space-saving form factor, ideal for installation in harsh industrial environments with limited cabinet space. Enhanced Diagnostic Capabilities: Improves troubleshooting and minimizes downtime with clear indication of operational status and fault conditions. Reliable Safety Performance: Engineered to meet high safety standards, ensuring the protection of personnel and equipment. Technical Specifications Product Type: Safety I/O Module / DeviceNet I/O Catalog Number: 1791DS-IB8XOB8 Communication: DeviceNet Standard Inputs: 8 (24V DC) Test Outputs: 4 Safety Outputs: 8 (Solid-State, 24V DC) Safety Category: (Refer to Allen-Bradley documentation for specific ratings, e.g., Category 4 per EN 954-1, PLe per EN ISO 13849-1, SIL 3 per IEC 61508) Input Voltage: 24V DC Output Type: Solid-State Applications Machine Guarding Systems: Crucial for ensuring the safe operation of machinery by monitoring guards and interlocks. Emergency Stop Circuits: Provides reliable and instant shutdown capabilities in hazardous situations. Safety Interlock Monitoring: Ensures proper sequencing and safe conditions before machinery operation. Distributed Safety I/O on DeviceNet Networks: Ideal for expanding safety control across large or complex industrial setups. Process Safety Applications: Enhances safety protocols in manufacturing and processing plants. Robotics Safety: Integrates with robotic systems to prevent accidents and protect operators. Why ChooseThis module offers unmatched reliability through Allen-Bradley's reputation for robust industrial components, ensuring long-term, consistent performance. Its seamless DeviceNet integration allows for effortless incorporation into existing infrastructure, simplifying installation and configuration. With comprehensive safety features, this device provides a full suite of inputs and outputs specifically designed for advanced safety applications, including diagnostic test outputs. The space-saving CompactBlock form factor allows for efficient use of cabinet space, which is crucial in dense industrial environments.Order NowEnhance the safety and efficiency of your industrial operations by ordering the Allen-Bradley 1791DS-IB8XOB8 DeviceNet Safety CompactBlock I/O module today. Contact us for pricing and availability.FAQWhat is the primary function of the Allen-Bradley 1791DS-IB8XOB8?The 1791DS-IB8XOB8 is designed to provide high-performance, distributed safety I/O capabilities within a DeviceNet network, monitoring and controlling safety circuits in industrial environments.How many inputs and outputs does this module have?It features 8 standard 24V DC inputs, 4 dedicated test outputs, and 8 safety-rated solid-state outputs.What communication protocol does the 1791DS-IB8XOB8 use?This module seamlessly integrates into DeviceNet networks for efficient communication.Why is the CompactBlock design beneficial?The CompactBlock design offers a durable and space-saving form factor, making it ideal for installation in harsh industrial environments with limited cabinet space.Can this module be used for emergency stop applications?Yes, it is well-suited for emergency stop circuits, providing reliable and instant shutdown capabilities in hazardous situations.

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PRODUCT DETAILS

Allen-Bradley 1791DS-IB8XOB8

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

  • Product Type: Safety I/O Module / DeviceNet I/O
  • Catalog Number: 1791DS-IB8XOB8
  • Communication: DeviceNet
  • Standard Inputs: 8 (24V DC)
  • Test Outputs: 4
  • Safety Outputs: 8 (Solid-State, 24V DC)
  • Safety Category: (Refer to Allen-Bradley documentation for specific ratings, e.g., Category 4 per EN 954-1, PLe per EN ISO 13849-1, SIL 3 per IEC 61508)
  • Input Voltage: 24V DC
  • Output Type: Solid-State

Applications

  • Machine Guarding Systems: Crucial for ensuring the safe operation of machinery by monitoring guards and interlocks.
  • Emergency Stop Circuits: Provides reliable and instant shutdown capabilities in hazardous situations.
  • Safety Interlock Monitoring: Ensures proper sequencing and safe conditions before machinery operation.
  • Distributed Safety I/O on DeviceNet Networks: Ideal for expanding safety control across large or complex industrial setups.
  • Process Safety Applications: Enhances safety protocols in manufacturing and processing plants.
  • Robotics Safety: Integrates with robotic systems to prevent accidents and protect operators.

Why Choose the 1791DS-IB8XOB8?

This module offers unmatched reliability through Allen-Bradley's reputation for robust industrial components, ensuring long-term, consistent performance. Its seamless DeviceNet integration allows for effortless incorporation into existing infrastructure, simplifying installation and configuration. With comprehensive safety features, this device provides a full suite of inputs and outputs specifically designed for advanced safety applications, including diagnostic test outputs. The space-saving CompactBlock form factor allows for efficient use of cabinet space, which is crucial in dense industrial environments.

Availability & Shipping

  • In stock: 1791DS-IB8XOB8 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 1791DS-IB8XOB8 ships with a 1-Year PALM Parts warranty and a 30-day return window.
SUPPORT

Frequently Asked Questions — Allen-Bradley

The 1791DS-IB8XOB8 is designed to provide high-performance, distributed safety I/O capabilities within a DeviceNet network, monitoring and controlling safety circuits in industrial environments.

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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Product Condition & Firmware

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