Product Details
Product Description
The 1771-OVN module is a 32-point digital DC output unit designed for PLC-5 systems. It provides reliable sinking outputs with high current capacity and fast signal response, making it suitable for industrial control applications. Built with a conformal coating, this module ensures long-term durability and performance in harsh environments.
Technical Specifications
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Manufacturer: Allen-Bradley
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Model Number: 1771-OVN
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Product Type: Digital DC Output Module
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Series: PLC-5
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Number of Outputs: 32 (4 sets of 8)
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DC Operating Voltage: 10–30 VDC
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Voltage Category: 10–32 VDC, Sink
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Maximum Current per Output: 0.5 A
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Maximum Current per Module: 8 A
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Backplane Current: 330 mA
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Wiring Arm: 1771-WH
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Coating: Conformal for industrial reliability
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Typical DC Signal Delay (Off): 50 ms
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Typical AC Signal Delay (Off): 45 ±15 ms
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Mounting Type: Rack-Mountable
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Weight: 1.13 lbs (0.51 kg)
Key Features
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32-point sinking digital outputs for versatile control
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Fast response time for accurate signal switching
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Conformal coating protects against moisture and dust
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Compatible with standard PLC-5 I/O racks
Applications
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Industrial process control
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PLC-based automation systems
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Digital output expansion for PLC-5 networks
Additional Information
- 100% Genuine Parts: All products are original and authentic, ensuring reliable industrial performance.
- 30-Day Refund Guarantee: Return any in-stock item within 30 days in original, unopened packaging for a full refund (excluding shipping and fees).
- 12-Month Warranty: Covers defects in materials or workmanship; excludes misuse, normal wear, or unauthorized modifications.
- Worldwide Shipping: We ship via USPS, UPS, FedEx, and DHL. Delivery times vary by country and may be subject to customs or import fees.
- Support & Contact: Technical and warranty assistance is available anytime. Contact us here: Contact.
- Purchase Guidance: Check product specifications and compatibility carefully before ordering to ensure proper application.
Tech & Buying Guide
Human-Machine Interface Design: Essential Guide to HMI Selection, Visualization, and Control System Integration
Human-Machine Interfaces (HMIs) serve as the primary operational window into complex industrial automation systems. Modern HMIs convert raw machine data into clear graphical displays, enabling operators to oversee entire manufacturing processes in real time. Instead of relying on physical control panels full of hardwired switches, engineers program interactive screens using intuitive graphics, dynamic color coding, and responsive touch interfaces. Over my 15 years in control systems engineering, I have observed HMIs transform from basic display screens into sophisticated command centers that drive operational efficiency across DCS and PLC environments.
Understanding Safety Relays in Industrial Automation: Architecture, Operation, and Functional Safety
Standard electromechanical relays provide basic electrical isolation between low-voltage control circuits and high-power output loads. A traditional switching relay features a magnetic coil driving mechanical Common (COM), Normally-Open (NO), and Normally-Closed (NC) contacts. However, standard relays pose severe functional risks when deployed in critical safety interlock circuits. High current inrush or mechanical wear can weld contacts together permanently. If contact welding occurs in an emergency stop circuit, pressing the button fails to halt hazardous machinery movements. Consequently, global functional safety standards prohibit standard relays for critical machine guarding functions.
Mastering Wire Identification in Industrial Automation: The Power of Ferrules and Cross-Ferruling
Proper wire labeling forms the cornerstone of reliable control system installation and long-term maintenance. In complex industrial automation environments, technicians terminate thousands of conductor ends inside control panels, marshalling racks, and field junction boxes. Ferrules serve as individual tube-shaped sleeve markers slipped onto conductors before final termination. While technicians historically relied on pre-printed individual letter rings, modern control panel builders utilize automated ferrule printing machines. These thermal-transfer printers generate durable, single-sleeve heat-shrink tags directly matching approved wiring schematics, significantly accelerating cabinet assembly workflows.