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Allen-Bradley 1771-OB
by Allen-Bradley
Read verified buyer reviews ↓OverviewThe Allen-Bradley 1771-OB is an advanced 8-output digital DC module, meticulously engineered for flawless compatibility with PLC-5 programmable logic controller systems. This module provides exceptional control and reliability across a wide 12-24V DC range, making it ideal for various industrial automation applications. Its rugged design, incorporating Series B improvements, ensures consistent and dependable operation within demanding PLC-5 control environments. From optimizing automated processes to streamlining production lines and enhancing material handling, the 1771-OB is a vital component for achieving precision and efficiency in your operations.Key Features 8 Digital DC Outputs: Offers extensive connectivity for multiple devices, facilitating comprehensive system management. Broad Voltage Compatibility (12-24V DC): Optimally designed to suit a wide array of industrial control scenarios. Effortless PLC-5 Integration: Guarantees smooth compatibility with existing PLC-5 infrastructures, simplifying upgrades and expansions. High-Speed Switching: Enables swift and efficient operational responses, crucial for time-sensitive tasks. Series B Enhancements: Integrates the latest design refinements for superior reliability, extended lifespan, and improved performance. Industrial-Grade Construction: Built with durable materials to withstand challenging industrial settings, ensuring long-term stability. Chassis-Based Installation: Engineered for secure and convenient mounting within 1771 I/O Racks, maximizing panel space. Technical Specifications Model: 1771-OB Series: B Output Count: 8 Voltage Range: 12-24V DC Output Type: Digital DC System Compatibility: PLC-5 Mounting: Chassis-Based (1771 I/O Rack) Certifications: UL, CE, RoHS Applications Machine Automation & Control: Provides precise output command for intricate machinery and automated sequences. Industrial Manufacturing & Assembly Lines: Essential for supporting automated system functions and boosting production effectiveness. Process Control Systems: Significantly enhances the efficiency and dependability of automated environmental and industrial process regulation. SCADA & Remote Monitoring: Ensures robust and reliable industrial data processing for supervisory control and data acquisition systems. Material Handling & Conveyor Systems: Optimizes logistics and system flow in storage facilities and distribution hubs. Energy Management Systems: Delivers dependable control for various energy distribution and monitoring applications. Why Choose the Allen-Bradley 1771-OB?Benefit from Allen-Bradley's esteemed reputation for producing exceptionally durable and long-lasting industrial components. The Series B enhancements guarantee cutting-edge performance, reducing downtime and increasing operational efficiency. Specifically designed for PLC-5 systems, it ensures seamless integration and dependable communication within your existing infrastructure. Its diverse range of applications makes it a flexible solution for various industrial automation requirements, from manufacturing to energy. The combination of durability, performance, and compatibility translates into excellent return on investment through reduced maintenance and increased productivity. UL, CE, and RoHS certifications affirm its adherence to international safety and quality standards, making it suitable for global deployment.Order NowUnlock the complete capabilities of your industrial automation systems with the Allen-Bradley 1771-OB Digital DC Output Module. Experience high-speed, reliable output control and seamless PLC-5 integration today. We offer fast, worldwide shipping to ensure your operations are never delayed. Explore our full range of PLC-5 Programmable Controllers for additional models and specifications, or visit our website to learn more.FAQWhat is the primary function of the Allen-Bradley 1771-OB?The Allen-Bradley 1771-OB is an 8-output digital DC module designed to provide robust control and seamless integration with PLC-5 programmable logic controller systems for various industrial automation applications.What voltage range does the 1771-OB operate within?The 1771-OB operates within a versatile 12-24V DC range, making it suitable for a broad spectrum of industrial control scenarios.Is the 1771-OB compatible with older PLC-5 systems?Yes, the 1771-OB is engineered for effortless compatibility with existing PLC-5 systems, simplifying upgrades and expansions.What do "Series B Enhancements" mean for this module?"Series B Enhancements" indicate the incorporation of the latest design refinements for superior reliability, extended lifespan, and improved overall performance of the module.Where can this module be mounted?The 1771-OB is designed for chassis-based mounting within 1771 I/O Racks, optimizing panel space for secure and convenient installation.
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Allen-Bradley 1771-OB
Overview
This is a genuine Allen-Bradley component from the PLC-5 Platform (Legacy) 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 PLC-5 Platform (Legacy) 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:
- Exact replacement — same Allen-Bradley catalog number, new or refurbished, tested and warrantied
- Form-fit-function equivalent — alternate revision or build that drops in without code changes
- Engineered migration — current-generation Allen-Bradley platform with documented conversion notes for the PLC-5 Platform (Legacy) family
Contact our engineering team if you need help choosing between these tracks.
Technical Specifications
- Model: 1771-OB
- Series: B
- Output Count: 8
- Voltage Range: 12-24V DC
- Output Type: Digital DC
- System Compatibility: PLC-5
- Mounting: Chassis-Based (1771 I/O Rack)
- Certifications: UL, CE, RoHS
Applications
- Machine Automation & Control: Provides precise output command for intricate machinery and automated sequences.
- Industrial Manufacturing & Assembly Lines: Essential for supporting automated system functions and boosting production effectiveness.
- Process Control Systems: Significantly enhances the efficiency and dependability of automated environmental and industrial process regulation.
- SCADA & Remote Monitoring: Ensures robust and reliable industrial data processing for supervisory control and data acquisition systems.
- Material Handling & Conveyor Systems: Optimizes logistics and system flow in storage facilities and distribution hubs.
- Energy Management Systems: Delivers dependable control for various energy distribution and monitoring applications.
Why Choose the 1771-OB?
Benefit from Allen-Bradley's esteemed reputation for producing exceptionally durable and long-lasting industrial components. The Series B enhancements guarantee cutting-edge performance, reducing downtime and increasing operational efficiency. Specifically designed for PLC-5 systems, it ensures seamless integration and dependable communication within your existing infrastructure. Its diverse range of applications makes it a flexible solution for various industrial automation requirements, from manufacturing to energy. The combination of durability, performance, and compatibility translates into excellent return on investment through reduced maintenance and increased productivity. UL, CE, and RoHS certifications affirm its adherence to international safety and quality standards, making it suitable for global deployment.
Availability & Shipping
- ▸In stock: 1771-OB 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 1771-OB ships with a 1-Year PALM Parts warranty and a 30-day return window.
Frequently Asked Questions — Allen-Bradley
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.