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Allen-Bradley 1771-OA Digital Output Module for PLC-5 systems

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Allen-Bradley 1771-OA

by Allen-Bradley

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OverviewThe Allen-Bradley 1771-OA is an 8-channel digital output module precision-engineered for direct integration with PLC-5 programmable logic controllers. This general-purpose module supplies accurate 120V AC outputs, each supporting up to 1.5A, ensuring consistent operation for various industrial automation setups. Engineered for peak performance, it functions flawlessly within a 92-138V AC range and pairs seamlessly with the 1771-WA wiring arm, significantly simplifying installation and wiring procedures. Whether you are upgrading existing infrastructure or implementing a new industrial control solution, the 1771-OA delivers a dependable and efficient answer for your digital output requirements, upholding Allen-Bradley's high standards in industrial automation.Key Features Eight High-Speed Digital Outputs: Delivers rapid and precise switching for demanding AC loads, promoting efficient performance. 120V AC Output: Perfectly suited for a wide array of industrial automation tasks demanding consistent AC power delivery. 1.5A Current Capacity Per Output: Empowers control over high-current devices, increasing system adaptability and capability. Broad Compatibility: Designed for extensive use across diverse PLC-5 control systems, offering flexible integration. Simple 1771-WA Wiring Arm Integration: Facilitates exceptionally easy and secure wiring, dramatically reducing installation time and complexity. Robust Industrial Construction: Built to endure the most challenging industrial environments, ensuring extended operational reliability and longevity. Dependable Performance: Provides consistent and accurate digital output management, essential for maintaining process integrity. Technical Specifications Model: 1771-OA Series: A Output Type: Digital (AC) Number of Outputs: 8 Operating Voltage: 92-138V AC Output Current Rating: 1.5A per output Compatible PLC System: PLC-5 Wiring Arm Required: 1771-WA Mounting: Standard 1771 I/O Chassis Applications Factory Automation & Process Control: Expertly manages valves, relays, and actuators, optimizing manufacturing workflows. Material Handling Systems: Essential for the accurate operation of conveyor systems and motor controls, boosting logistical efficiency. Manufacturing & Production Environments: Provides reliable AC output management for various phases of the production process, minimizing idle time. Energy & Utility Infrastructures: Ideal for critical power distribution and switching applications within demanding utility settings. Water and Wastewater Treatment: Manages pumps and control valves efficiently, ensuring seamless operation in critical treatment processes. HVAC Systems: Controls motors, fans, and dampers in large-scale heating, ventilation, and air conditioning installations. Why Choose High-Capacity Digital Outputs Each of the 8 channels reliably supports up to 1.5A at 120V AC, providing ample power for diverse industrial loads. Seamless Integration with PLC-5 Systems Guarantees straightforward installation and immediate compatibility, reducing setup complexities and speeding up deployment. Rugged and Durable Design Specifically engineered to endure the rigorous conditions of industrial automation environments, promising extended service life. Simplified Wiring with 1771-WA Arm Facilitates quick, secure, and error-free connections, drastically simplifying maintenance and installation procedures. Proven Allen-Bradley Quality & Reliability Backed by Allen-Bradley's renowned reputation for engineering excellence and robust industrial solutions, ensuring long-term operational peace of mind. Optimized for Efficiency Designed to enhance the overall efficiency and responsiveness of your automation systems, contributing to improved productivity. Order NowExperience the superior performance and reliability of the Allen-Bradley 1771-OA PLC-5 Digital Output Module. Benefit from fast shipping and worldwide delivery.FAQWhat PLC systems are compatible with the 1771-OA?The 1771-OA digital output module is specifically designed for seamless compatibility with Allen-Bradley PLC-5 programmable logic controllers.What is the current rating per output channel?Each of the 8 output channels on the 1771-OA can handle a maximum current of 1.5 Amperes.Is a specific wiring arm required for installation?Yes, the 1771-OA module is designed to integrate perfectly with the 1771-WA wiring arm for simplified and secure connections.What voltage range does the module operate within?The 1771-OA operates reliably within an AC voltage range of 92V to 138V.Can this module be used in harsh industrial environments?Yes, the 1771-OA features a rugged industrial design built to withstand challenging conditions, ensuring durability and prolonged operational reliability.

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PRODUCT DETAILS

Allen-Bradley 1771-OA

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:

  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 PLC-5 Platform (Legacy) family

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

Technical Specifications

  • Model: 1771-OA
  • Series: A
  • Output Type: Digital (AC)
  • Number of Outputs: 8
  • Operating Voltage: 92-138V AC
  • Output Current Rating: 1.5A per output
  • Compatible PLC System: PLC-5
  • Wiring Arm Required: 1771-WA
  • Mounting: Standard 1771 I/O Chassis

Applications

  • Factory Automation & Process Control: Expertly manages valves, relays, and actuators, optimizing manufacturing workflows.
  • Material Handling Systems: Essential for the accurate operation of conveyor systems and motor controls, boosting logistical efficiency.
  • Manufacturing & Production Environments: Provides reliable AC output management for various phases of the production process, minimizing idle time.
  • Energy & Utility Infrastructures: Ideal for critical power distribution and switching applications within demanding utility settings.
  • Water and Wastewater Treatment: Manages pumps and control valves efficiently, ensuring seamless operation in critical treatment processes.
  • HVAC Systems: Controls motors, fans, and dampers in large-scale heating, ventilation, and air conditioning installations.

Why Choose the 1771-OA?

  • High-Capacity Digital Outputs

    Each of the 8 channels reliably supports up to 1.5A at 120V AC, providing ample power for diverse industrial loads.

  • Seamless Integration with PLC-5 Systems

    Guarantees straightforward installation and immediate compatibility, reducing setup complexities and speeding up deployment.

  • Rugged and Durable Design

    Specifically engineered to endure the rigorous conditions of industrial automation environments, promising extended service life.

  • Simplified Wiring with 1771-WA Arm

    Facilitates quick, secure, and error-free connections, drastically simplifying maintenance and installation procedures.

  • Proven Allen-Bradley Quality & Reliability

    Backed by Allen-Bradley's renowned reputation for engineering excellence and robust industrial solutions, ensuring long-term operational peace of mind.

  • Optimized for Efficiency

    Designed to enhance the overall efficiency and responsiveness of your automation systems, contributing to improved productivity.

Availability & Shipping

  • In stock: 1771-OA 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-OA ships with a 1-Year PALM Parts warranty and a 30-day return window.
SUPPORT

Frequently Asked Questions — Allen-Bradley

The 1771-OA digital output module is specifically designed for seamless compatibility with Allen-Bradley PLC-5 programmable logic controllers.

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.

CUSTOMER REVIEWS

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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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