Product Description
The Allen-Bradley 1769-OB8 is a compact, high-current, solid-state 24V DC digital source output module from the 1769 Compact I/O series, suitable for expansion I/O in MicroLogix, CompactLogix, or adapter-based (EtherNet/DeviceNet) systems. It features 8 outputs (4 points per group), a voltage range of 20.4-26.4V DC, a 145mA current draw at 5.1V, and a 4A surge current capability. Its configuration data is read/writable, allowing for programmed last state and user-defined conditions, but its input data file reflects the output data echo, not the actual electrical state of the output terminals. The module can be DIN rail or panel mounted and connected to controllers or adjacent I/O modules via locking bus connectors.
Is Your Device Showing These Signs?
The Allen Bradley 1769-OB8 CompactLogix output module commonly experiences failures due to blown output fuses, often caused by inductive load spikes or wiring shorts. Technicians address this by replacing the affected fuse and inspecting field wiring for insulation damage or improper grounding. Overvoltage conditions stemming from power supply fluctuations damage the module's internal components, necessitating component-level repair or module replacement. Communication errors arise from corrupted firmware or backplane connectivity issues, resolved through firmware updates or backplane inspection and reseating. Excessive heat buildup from inadequate ventilation degrades performance and shortens lifespan, mitigated by improving airflow and ensuring proper environmental conditions.
Technical specifications
The Allen-Bradley 1769-OB8 is a 24V DC digital source output module from the Compact I/O series, used for expanding I/O in various Allen-Bradley systems. It has 8 solid-state outputs, a high current capacity, and configurable settings for last state and user-defined conditions. While it can be DIN rail or panel mounted, its input data reflects the output data echo, not the actual output terminal state.
Our Repair Process for the
1769-OB8
Our repair process for the Allen Bradley 1769-OB8 CompactLogix output module begins with fuse replacement on modules exhibiting blown output fuses, followed by a thorough inspection of field wiring to identify insulation damage or grounding faults. Modules with overvoltage damage undergo component-level repair, or complete module replacement if necessary. Communication errors are addressed through firmware updates or by inspecting and reseating the backplane connection. Overheating issues are resolved by improving airflow and verifying environmental conditions to prevent future heat buildup.
Your Guarantee: Warranty & Lifetime Support
Your satisfaction is our top priority, and we confidently stand behind the quality of our repairs. That's why every repair service is covered by our comprehensive 24-month warranty. Furthermore, we offer lifetime phone support – if you have questions or need assistance related to our repair down the road, we're here to help. Our service commitment is straightforward: we guarantee our work, and if you're not satisfied, we will make it right. Learn More about our Repair process.
Comprehensive Repairs You Can Depend On
We take immense pride in the quality and reliability of our work. Our process goes beyond simply fixing the immediate problem. We perform a comprehensive inspection of your main board (or other equipment) and proactively replace components known to be failure-prone or showing signs of potential future failure. Before any item is returned, it undergoes rigorous functional testing to ensure it meets performance specifications and operates flawlessly. Visit our main Repair Services page to learn more.
Save Significantly
Our primary goal is to save you hundreds, or even thousands, of dollars compared to the cost of new equipment replacement. By repairing existing components, we provide an economical solution that is also eco-friendly. At Roc Industrial, our commitment to integrity and community drives our consistent growth and ensures you receive a reliable, cost-effective solution.
Please Note: Roc Industrial operates as an independent service provider and is not an authorized distributor for the manufacturers or brands mentioned. Consequently, the original manufacturer's warranty is not applicable to items repaired or sold by us. Roc Industrial provides its own 2-year warranty on all repair services performed.