Product Overview
The Allen-Bradley 1746-OVP16 is a digital I/O module from the SLC 500 series, manufactured by Rockwell Automation. It functions as a high-current sinking 24V DC output module, providing 16 discrete outputs. This module is engineered for applications requiring robust switching of DC loads, with a voltage range of 20.4-26.4 Volts DC Sink. Its design includes a fused common and a blown fuse LED indicator for immediate fault detection, enhancing system uptime. The module also features an LED that illuminates if a processor error occurs, causing all outputs to turn off, thereby adding a layer of system protection.
Technical Specifications Breakdown
Key parameters for the 1746-OVP16 are listed below for quick reference:
| Feature | Specification |
|---|---|
| Module Type | Digital DC Output Module |
| Voltage Range | 20.4-26.4 Volts DC Sink |
| Number of Outputs | 16 |
| Current per Output | 1.5-1 amps |
| Current per Module | 6.4 amps |
| Backplane Current (5 Volts) | 250 milliamps |
| Applications | High Current |
| Step Response | 60 milliseconds in, 2.5 milliseconds out |

Industry Applications
Common use cases include controlling conveyor systems, sorting equipment, and packaging machinery in manufacturing plants. The module's 16 outputs allow for efficient control of multiple loads, while the fused common and blown fuse indicator help minimize downtime in production lines. The 20.4-26.4V DC sink voltage range makes it suitable for standard 24V industrial control systems.
Installation & Setup Guidance
When installing the 1746-OVP16, ensure the SLC 500 chassis is properly grounded and powered down. Insert the module into any available slot in the chassis, aligning it with the backplane connector. Secure the module using the retaining screws. Connect the field wiring to the color-coded removable terminal blocks (RTBs) provided. Verify that the DC power supply is within the specified voltage range before applying power. After installation, check the LED indicators to confirm proper operation.
The Evolution of Industrial Control: Precision and Reliability
In the ever-evolving landscape of industrial automation, the need for robust and precise digital output control has never been greater. The Allen-Bradley 1746-OVP16 SLC 500 Digital DC Output Module represents a key component in addressing these demands, offering a reliable solution for high-current sinking applications. This module is designed to integrate into existing SLC 500 systems, providing engineers with a proven method for controlling actuators, solenoids, and other DC loads in demanding environments.

Maintenance & Reliability
To maintain reliable operation, periodically inspect the module for signs of dust or contamination. The module is intended for use in a clean and dry industrial environment, with an operating temperature range of 0 - 60 °C. Ensure that the ambient temperature does not exceed this limit. The module has a maximum thermal dissipation of 6.26 W, so adequate airflow around the chassis is recommended. Regularly check the blown fuse LED indicator and replace the fuse if necessary.
Compatibility & Integration
The 1746-OVP16 is designed for the Allen-Bradley SLC 500 system and is compatible with SLC 500 processors and chassis. The module uses the backplane for communication and power, requiring 250 mA at 5V DC. No additional communication protocols are required for basic operation within the SLC 500 system.
Selection Guide & Purchasing Advice
When selecting the 1746-OVP16 for your application, consider the number of outputs needed and the current requirements of your loads. For availability and lifecycle status, please verify with AutoDCSTech before ordering. AutoDCSTech offers a wide range of industrial automation parts, including this module, to support your system needs.
Troubleshooting & Common Issues
If the module's outputs do not activate, first check the blown fuse LED indicator. If illuminated, replace the fuse with one of the same rating. Verify that the processor is running and that the output configuration is correct. If the processor error LED is on, check the processor status and clear any faults. Ensure the DC power supply is within the 20.4-26.4V range. If issues persist, inspect the terminal block connections for loose wires.
Availability & Condition at AutoDCSTech
| Part Number | 1746-OVP16 |
|---|---|
| Availability | In Stock |
| Condition | New |
| Warranty | One Year |
| Origin | US |
