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Product Description
The Omron CPM1A-30CDRAV1Q PLC, featuring a 2,048-word program capacity, handles up to 30 I/O points standalone, expandable to 90 (54 inputs, 36 outputs) with an I/O expansion unit. It uses input bits 00000-00915 and output bits 01000-01915, offering 512 work bits (IR 20000-IR 23115), 384 special bits (SR area), 320 holding bits (HR area), and 256 auxiliary bits (AR area). Employing a stored program method with cyclic scanning and immediate I/O refresh, it's programmed via ladder diagrams with single-step instructions (1-5 words), achieving basic instruction execution speeds of 0.72-16.2 microseconds and 16.3 microseconds for the MOV instruction, making it suitable for diverse automation tasks.
Is Your Device Showing These Signs?
The Omron CPM1A-30CDRAV1Q programmable logic controller commonly experiences issues such as corrupted program memory requiring firmware reflashing, failure of the power supply unit leading to intermittent operation or complete shutdown, and degradation of the I/O module resulting in unresponsive digital inputs or outputs. Communication errors arise due to faulty RS-232 or RS-485 ports, necessitating cable replacement or port repair. Internal component failure, including capacitor degradation or IC malfunction, causes unpredictable behavior and requires component-level repair or full unit replacement. Addressing these problems restores the PLC to proper functionality.
Technical specifications
The Omron CPM1A-30CDRAV1Q PLC has a 2,048-word program capacity, handles 30 I/O points (expandable to 90), and uses specific input/output/work/special/holding/auxiliary bit ranges. It uses cyclic scanning with immediate I/O refresh, ladder diagram programming, and executes instructions at 0.72-16.3 microseconds, suitable for various automation applications.
Our Repair Process for the
CPM1A-30CDRAV1Q
Our repair process begins with a comprehensive diagnostic evaluation to pinpoint the exact failure. Corrupted program memory requires immediate firmware reflashing to restore proper operation. Power supply unit failures necessitate a thorough inspection, followed by component-level repair or complete power supply replacement. I/O module degradation demands careful testing and subsequent repair or replacement of the faulty module. Communication errors are resolved through cable replacement or port repair, ensuring reliable data transmission. Internal component failures, such as capacitor degradation or IC malfunction, are addressed through component-level repair or full unit replacement, guaranteeing stable and predictable PLC behavior.
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.
Buying Options
To receive a quote within 2 hours, please provide us with the details of your requirements. Our team will promptly review your request and send you a custom offer.
Ships from Rochester, NY