Allen-Bradley 1769-OV16 Compact I/O Digital Output Module

Product Overview

The Allen-Bradley 1769-OV16 is a 32-point DC 24V sourcing digital output module from Rockwell Automation's Compact I/O series, designed for industrial automation control systems. As part of the CompactLogix family, this module provides high-density output capability for controlling actuators, solenoids, indicators, and other devices in manufacturing, process control, and machinery applications. Its compact design and flexible integration make it suitable for both localized and distributed I/O configurations, supporting seamless communication with CompactLogix and Compact GuardLogix controllers

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The 1769-OV16 exemplifies Rockwell Automation's commitment to simplified system design and reduced installation costs. Its rackless architecture eliminates the need for traditional mounting racks, minimizing hardware requirements and sparing parts inventory. The module features removable terminal blocks for easy wiring and maintenance, enhancing its usability in space-constrained control panels. Engineered for reliable performance in industrial environments, it operates effectively within a voltage range of 10.2V DC to 26.4V DC, ensuring compatibility with standard industrial power systems

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Key Features and Capabilities

Output Configuration and Performance

The 1769-OV16 provides 32 discrete digital outputs configured as sourcing type, with each channel capable of switching DC loads up to 24V. The module's output characteristics ensure clear state recognition: a 0-0.4V DC output indicates the "ON" state, while 4.5-5.5V DC indicates the "OFF" state. The transition zone between 0.4-4.5V DC does not guarantee a defined state, ensuring reliable switching operations

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Each output point can handle a minimum load current of 0.15 mA, with a typical current of 24 mA per point. This capability allows the module to drive various industrial devices directly, reducing the need for additional interfacing components. The module's fast switching speed enables rapid response to control signals, which is critical for high-speed automation applications

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Design and Construction

The 1769-OV16 features a compact form factor measuring approximately 4.7 x 1.4 x 3.4 inches, allowing for high-density installation on DIN rails, panel mounts, or alongside other 1769 series modules. Its open-style design (without a full enclosure) reduces size and cost but requires installation in a protected environment to avoid exposure to debris, static electricity, and UV radiation

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To ensure operational integrity, it is recommended to avoid connecting more than two wires to any terminal and to use DC or I/O cables not exceeding 30 feet in length. These precautions minimize voltage drop and signal degradation, maintaining reliable performance

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Integration and Compatibility

The module is designed for seamless integration with CompactLogix and Compact GuardLogix controllers, functioning as both local and distributed I/O. It supports removable terminal blocks that simplify wiring and reduce maintenance downtime. The 1769-OV16 is part of Rockwell Automation's Integrated Architecture™ system, enabling unified programming and configuration through the Studio 5000 Logix Designer® environment

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Protection and Diagnostics

The module incorporates electrical protection features to safeguard against overloads and short circuits. Although specific protection ratings are not detailed in the search results, typical Allen-Bradley modules include over-current protection and thermal shutdown to prevent damage under fault conditions. LED status indicators for each output channel provide visual feedback for diagnostics and troubleshooting

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Technical Specifications

The following table summarizes the key technical specifications of the Allen-Bradley 1769-OV16 digital output module:

System Configuration and Installation

Hardware Integration

The 1769-OV16 module is designed for easy installation on standard DIN rails or panel mounts. Its compact dimensions allow for high-density arrangements, maximizing space utilization in control cabinets. The removable terminal blocks simplify wiring and maintenance, reducing installation time and effort

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When integrating the module, it is crucial to adhere to the recommended wiring practices: avoid exceeding two wires per terminal and limit cable lengths to 30 feet to prevent signal degradation. Additionally, the module should be installed in a protected environment (e.g., a control cabinet) to shield it from physical damage, dust, moisture, and electrical interference

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Software Configuration

The module is configured and programmed using Rockwell Automation's Studio 5000 Logix Designer® software. This integrated development environment allows users to define output parameters, set up diagnostics, and integrate the module into the broader control system. The software supports online monitoring and troubleshooting, enabling real-time visibility into output status and system performance

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Applications

The 1769-OV16 is suitable for a wide range of industrial automation applications, including:

• Manufacturing Automation: Controlling actuators, solenoids, and indicators on production lines, assembly machines, and robotic systems.

• Material Handling: Managing conveyor belts, sorting systems, and automated guided vehicles (AGVs) in warehouses and distribution centers.

• Process Control: Operating valves, pumps, and other devices in chemical, water treatment, and food processing industries.

• Packaging Machinery: Coordinating fillers, sealers, labelers, and other equipment in packaging lines.

• Building Automation: Integrating into HVAC control systems, lighting control, and access control systems.

Its high channel density (32 points) makes it ideal for applications requiring multiple output signals without occupying excessive space. The module's sourcing output configuration ensures compatibility with a wide array of industrial devices.

Comparison and Considerations

When selecting the 1769-OV16 module, consider the following aspects:

• Output Type: The sourcing configuration may require compatibility with sinking input devices; verify your system's requirements.

• Environmental Protection: The open design necessitates installation in a controlled environment; for harsh conditions, consider additional protection or alternative modules.

• Voltage Compatibility: Ensure connected devices operate within the 10.2-26.4V DC range for reliable performance.

• System Compatibility: The module works with CompactLogix and Compact GuardLogix controllers; confirm compatibility with your existing system.

For applications requiring different I/O configurations, Allen-Bradley offers other modules in the 1769 series, such as the 1769-OB16 (16-point digital output module) and 1769-OV32 (32-point digital output module with enhanced features).

Conclusion

The Allen-Bradley 1769-OV16 Compact I/O Digital Output Module is a high-density, cost-effective solution for industrial automation applications requiring multiple output signals. Its 32 sourcing outputs, compact design, and ease of integration make it a valuable component in CompactLogix-based control systems. By leveraging its removable terminal blocks and rackless architecture, users can reduce installation time, minimize hardware costs, and simplify maintenance.

While its open-style design requires installation in a protected environment, the module's performance and compatibility with Rockwell Automation's Integrated Architecture™ make it a reliable choice for diverse automation applications. For engineers and system integrators seeking a balanced combination of density, functionality, and cost, the 1769-OV16 represents a practical option within Allen-Bradley's extensive product portfolio.