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
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.
Understanding Marshalling Cabinets in Industrial Automation and Control Systems
Marshalling cabinets serve as the crucial connection hub between field instruments and centralized processing units. In large DCS and PLC control system architectures, hundreds of multipair field cables run from local junction boxes to the central instrument equipment room. The marshalling cabinet houses field terminal blocks, surge arresters, intrinsic safety isolation barriers, and interposing relays. By segregating field field-wiring terminations from sensitive processor hardware, engineers protect expensive controller backplanes from high-voltage transients. Consequently, this modular separation dramatically streamlines maintenance workflows and simplifies system expansion.
Essential Best Practices for PLC Wiring and Installation in Industrial Automation
Successful control system deployment begins with thoroughly reviewing manufacturer technical documentation. Controllers from major brands like Allen-Bradley, Siemens, and Schneider Electric feature unique terminal layouts. Engineers must verify voltage requirements before connecting power cables to prevent catastrophic equipment damage. Standard line connections require strict adherence to regional electrical codes and proper wire color coding. Furthermore, panel builders should always establish a robust low-impedance ground connection using at least 16-AWG copper conductor tied directly to the main plant grounding grid.