Product Description
The Mitsubishi A1ADPXY is a durable, corrosion-resistant I/O adapter for the A Series, featuring eight configurable analog channels (0-10 VDC or 4-20 mA), 12-bit resolution for precise data, flexible rack-mounting (DIN rail or backplane), A Series backplane compatibility, and reliable operation in 0C to 55C environments, making it ideal for diverse automated processes, especially in marine settings.
Is Your Device Showing These Signs?
The Mitsubishi A1ADPXY module commonly experiences issues related to backplane communication failures, resulting in PLC system downtime. Addressing this involves inspecting and cleaning the edge connector pins for corrosion or damage, ensuring proper seating within the A1S series base unit. Resolve I/O signal errors by verifying field wiring connections, replacing faulty terminal blocks, and recalibrating the analog input channels. Power supply fluctuations cause operational instability; confirm the power supply voltage meets the specified range and replace capacitors exhibiting degradation. Software configuration errors, such as incorrect scaling or parameter settings, lead to inaccurate data acquisition; reprogram the module with the correct parameters using GX Developer.
Technical specifications
The Mitsubishi A1ADPXY is a robust I/O adapter for A Series PLCs, offering eight configurable analog channels, 12-bit resolution, flexible mounting, A Series compatibility, and reliable operation in harsh environments, making it suitable for various automated processes, particularly marine applications.
Our Repair Process for the
A1ADPXY
Our repair process for the Mitsubishi A1ADPXY module begins with a thorough inspection and cleaning of the edge connector pins to eliminate backplane communication failures, ensuring secure seating within the A1S series base unit. I/O signal errors are resolved by verifying field wiring connections, replacing any faulty terminal blocks, and recalibrating the analog input channels. Operational instability due to power supply fluctuations is addressed by confirming the power supply voltage meets the specified range and replacing degraded capacitors. Finally, software configuration errors causing inaccurate data acquisition are corrected by reprogramming the module with the correct parameters using GX Developer.
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.

















