Product Description
The Allen-Bradley 1760-L18AWA is a 120-240VAC Pico controller from the 1760 series, featuring 12 AC inputs (100-240VAC) and 6 relay outputs. This non-analog controller includes a real-time clock for data timestamping, a display screen, and a keypad for user control, operating at 50-60Hz. Input signal delays vary with frequency (66ms on/off at 60Hz, 80ms on/off at 50Hz), and a half-wave detection setting triggers input activation after two consecutive half-wave detections (every 33ms). The controller consumes 10VA at both 115-120VAC and 230-240VAC; its outputs are isolated, but its power supply and inputs are not.
Is Your Device Showing These Signs?
The Allen Bradley 1760-L18AWA MicroLogix 1100 PLC commonly experiences issues such as communication failures stemming from corrupted Ethernet/IP configurations or faulty serial port connections. Program loss or corruption due to memory errors or improper power cycling requires reprogramming and firmware updates. I/O module failures, specifically with the embedded analog inputs/outputs, manifest as inaccurate readings or unresponsive control, mandating module replacement or recalibration. Power supply degradation leads to intermittent operation or complete failure, necessitating power supply repair or replacement. Resolving these problems ensures optimal PLC performance and minimizes downtime.
Technical specifications
The Allen-Bradley 1760-L18AWA is a 120-240VAC Pico controller with 12 AC inputs and 6 relay outputs. It includes a real-time clock, display, and keypad. It operates at 50-60Hz with specific input signal delays depending on the frequency. Input activation requires two half-wave detections. The controller consumes 10VA and features isolated outputs, but non-isolated power supply and inputs.
Our Repair Process for the
1760-L18AWA
Our repair process for the Allen Bradley 1760-L18AWA MicroLogix 1100 PLC begins with a comprehensive diagnostic evaluation to pinpoint the root cause of the malfunction, whether it be communication failures, program corruption, I/O module issues, or power supply degradation. Communication failures are addressed by verifying and correcting Ethernet/IP configurations and meticulously inspecting serial port connections. Program loss or corruption necessitates complete reprogramming with the correct logic and updating the firmware to the latest stable version. I/O module failures involving analog inputs/outputs require either module replacement or precise recalibration to restore accurate readings and control. Power supply problems are resolved through component-level repair or complete power supply replacement to ensure stable and reliable operation. Each step is executed with precision to restore the PLC to optimal performance and minimize downtime.
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.

















