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Allen-Bradley 1771-OYL PLC-5 Digital Output Module

Brand/Manufacturer: Allen-Bradley

Order Number: 1771-OYL

Type: PLC Output Modules

Country of Origin: Sweden

Condition: Original Brand

Lead Time: Available in stock

Payment Term: 100% TT In Advance

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Description

The 1771-OYL is an 8-point digital output module designed for Allen-Bradley PLC-5 universal I/O chassis. It features a mixed-contact configuration containing 4 normally open (N.O.) and 4 normally closed (N.O./N.C.) relay outputs, operating at 24 VAC/VDC. This module provides isolated switching capabilities for multi-state industrial control applications requiring hybrid contact arrangements.

Output Configuration and Switching Characteristics

The 1771-OYL divides its 8 output channels into two distinct groups of relay contact configurations, comprising 4 normally open and 4 normally closed contacts. Designed for 24 VAC/VDC circuits, the relay outputs provide electrical isolation between the logic-level backplane and field-actuated devices, protecting sensitive controller hardware from load transients and voltage spikes.

System Installation and Wiring

The module slides directly into any standard slot of an Allen-Bradley 1771 I/O chassis. Field wiring connects through a standard removable terminal block attached to the chassis front, allowing technicians to replace or service the module without disturbing existing field cabling. Physical mechanical keying on the backplane prevents incorrect slot insertion.

Specifications

Parameter Specification
Model 1771-OYL
Brand Allen-Bradley
Product Type Digital Output Module
Architecture PLC-5 1771 Universal I/O
Total Output Channels 8 Points
Contact Arrangement 4 N.O. / 4 N.C.
Operating Voltage 24 VAC/VDC
Module Weight 1.89 lbs (0.86 kg)

Frequently Asked Questions

Q: What is the contact breakdown for the Allen-Bradley 1771-OYL output module? A: The module features 8 total output points, split evenly into 4 normally open (N.O.) and 4 normally closed (N.C.) relay contacts.

Q: What operating voltage does this digital output module support? A: The 1771-OYL is rated for 24 VAC/VDC field control circuits.

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Testimonials

Fast Delivery, Excellent Quality


We’ve worked with IndustriaX Limited on several urgent orders for automation components. Their ability to provide original, factory-sealed parts with full documentation—often from in-stock inventory—has significantly reduced our downtime. The delivery is consistently fast, and their logistics team is highly responsive. IndustriaX has become one of our most trusted global suppliers for industrial spare parts.

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Finding authentic automation parts has always been a challenge, especially for discontinued models. IndustriaX Limited has impressed us with their genuine stock, clear product traceability, and prompt updates. We’ve verified their shipments against OEM specs multiple times, and the results are flawless. They’re now our preferred sourcing partner for critical systems.

- David Smith

Professional Service with After-Sales Support

"IndustriaX Limited doesn’t just ship products—they provide solutions. When we encountered installation issues with one of the modules, their technical team replied in less than 4 hours and provided wiring guides and troubleshooting tips. This level of post-sale support is rare in the spare parts sector. Their professionalism gives us confidence in every order."

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We've tested multiple suppliers over the years, but IndustriaX Limited consistently stands out. Their product catalog is extensive, their team is knowledgeable, and they understand the urgency of industrial needs. With every order, we receive timely updates, fast delivery, and 100% genuine products. It’s rare to find such consistency and reliability in this field.

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