Product Description
The Mitsubishi A1SX82S1 digital input module provides efficient connectivity for A Series systems, featuring 64 inputs compatible with both sink and source configurations at 24V DC. It is designed for altitudes up to 1000m, operating temperatures of 0 to +55C (storage: -25 to +75C), and humidity between 10-90% (operation) or 10-80% (storage), and is CE and UL certified.
Is Your Device Showing These Signs?
The Mitsubishi A1SX82S1 discrete input module commonly experiences issues such as blown input fuses due to overcurrent events, resulting in a loss of signal detection from field devices. Corrosion on terminal blocks and connector pins impedes proper signal transmission, causing intermittent or complete input failures. Internal component degradation, specifically optocouplers and resistors, leads to inaccurate or unresponsive input status. Incorrect wiring configurations and improper grounding introduce noise and false signals, affecting PLC logic execution. Firmware corruption or incompatibility necessitates a reflash or upgrade to ensure proper module operation and communication with the PLC backplane.
Technical specifications
The Mitsubishi A1SX82S1 is a 64-input digital module for A Series systems, supporting both sink/source configurations at 24V DC. It's certified CE and UL, with operating limits of up to 1000m altitude, 0-55C temperature (storage: -25-75C), and 10-90% humidity (operation) / 10-80% (storage).
Our Repair Process for the
A1SX82S1
Our repair process for the Mitsubishi A1SX82S1 discrete input module begins with a thorough inspection for blown input fuses, which are replaced following verification of the cause of the overcurrent event. Terminal blocks and connector pins undergo meticulous cleaning and treatment to eliminate corrosion and ensure secure signal transmission. Internal components, including optocouplers and resistors, are tested and replaced if degradation is detected, guaranteeing accurate input status. Wiring configurations and grounding are verified and corrected to eliminate noise and false signals, ensuring proper PLC logic execution. Firmware is assessed for corruption or incompatibility, and a reflash or upgrade is performed as needed to restore proper module operation and communication with the PLC backplane.
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.

















