1769-OV32T Allen-Bradley CompactLogix 32-Pt 24VDC Sink Output Module

Allen-Bradley 1769-OV32T CompactLogix High-Density Output Module Overview

The 1769-OV32T functions as a high-density, solid-state digital output module within the CompactLogix and MicroLogix 1500 systems. This module provides 32 sinking outputs, allowing for efficient control of DC-powered field devices in a single-wide chassis slot. Operating within a voltage range of 10.2 to 26.4V DC, the 1769-OV32T is engineered for space-constrained applications requiring reliable switching performance. We advise technicians to download the installation manual to ensure proper grounding and to protect the open-style enclosure from environmental contaminants.

Technical Specifications

• Manufacturer: Rockwell Automation / Allen-Bradley
• Model: 1769-OV32T
• Product Line: CompactLogix
• Module Type: Sinking Digital Output
• Output Points: 32 Channels (2 Groups of 16)
• Operating Voltage: 24V DC (Range: 10.2–26.4V DC)
• Enclosure Type: Open (Requires external protection)
• Wire Type: 90°C Copper Wire
• Solid Wire Size: 22–14 AWG
• Stranded Wire Size: 22–16 AWG
• Physical Integration: Tongue-and-Groove DIN Rail or Panel Mount
• Shipping Weight: Approx. 2 lbs (450g)

Global PLC Spare HUB's Insight

The 1769-OV32T is a cornerstone for high-IO count systems where panel space is at a premium. Unlike sourcing modules, this "Sinking" module is specifically designed for load configurations where the module provides the path to the DC common. Its solid-state design eliminates the mechanical wear found in relay modules, significantly increasing the lifecycle for high-speed switching tasks. Because it is an open-style module, we recommend ensuring your cabinet's thermal management is optimized, as the 1769-OV32T relies on adequate airflow to maintain its high-density performance levels.

Compatible Equipment & Applications

• Controller Compatibility: Seamlessly integrates with CompactLogix L3x controllers and MicroLogix 1500.
• Network Adapters: Works with 1769-ADN (DeviceNet) and 1769-AENTR (EtherNet/IP) adapters.
• Diagnostic Ability: Module features LED status indicators for point-level verification and bus communication health.
• Typical Scenarios: High-speed packaging lines, sorting systems, and distributed I/O drops in industrial automation.

Logistics & Warranty

• Shipping Policy: We guarantee dispatch within 24-48 hours of order confirmation.
• Courier Services: Express worldwide delivery via FedEx, UPS, and DHL.
• Warranty Coverage: Includes a comprehensive 12-month technical warranty.
• Package List: One 1769-OV32T Output Module in original factory-grade protective packaging.

Frequently Asked Questions (FAQ)

• What is the difference between a sinking module like the 1769-OV32T and a sourcing module?

In the 1769-OV32T (Sinking), the module acts as the negative side of the circuit. Your loads must be connected to the positive DC rail.

• Does the 1769-OV32T require an external power supply for the outputs?

Yes, you must provide external 24V DC field power to the module's terminal block to energize the output channels.

• Can I mix different wire gauges on the same terminal block?

While the module supports 14–22 AWG, it is best practice to keep wire sizes consistent within each group to ensure secure termination and even clamping pressure.

• Is the 1769-OV32T hot-swappable during PLC operation?

No, 1769 I/O modules do not support RIUP (Removal and Insertion Under Power). You must power down the chassis before replacing the module to prevent backplane damage.

• How do I handle the "Open Enclosure" rating during installation?

Ensure the module is installed in a NEMA-rated enclosure (IP54 or better) to protect against dust, moisture, and electrostatic discharge (ESD).

Purchasing & Maintenance Guide

• Confirm your load type (Sinking vs. Sourcing) to prevent wiring conflicts before ordering the 1769-OV32T.
• Inspect the tongue-and-groove connectors for debris before sliding the module into the chassis assembly.
• Regularly check for firmware compatibility with your existing CompactLogix processor version for seamless I/O mapping.

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