Product Description
The Omron CPM1A-CHIEVER20A is a reliable and efficient programmable controller designed for CPM1A series integration, featuring 20 digital inputs, 16 relay outputs, RS-232C/RS-485 communication, a 5ms response time, 2K words of memory, 24V DC operation, 0-55C operating temperature, CE/UL/CSA certifications, and DIN rail mounting for easy installation.
Is Your Device Showing These Signs?
The Omron CPM1A-CHIEVER20A programmable logic controller commonly experiences issues related to power supply failures, causing intermittent operation or complete shutdown. Input/Output module failures manifest as unresponsive sensors or actuators, traced to damaged transistors or optocouplers. Communication errors arise from corrupted program memory, requiring firmware reflashing, or faulty RS-232/RS-485 ports, necessitating component replacement. Program execution halts due to ladder logic errors, demanding debugging and code modification. Real-time clock malfunctions disrupt timed processes, fixed by replacing the internal battery or RTC chip.
Technical specifications
The Omron CPM1A-CHIEVER20A is a 24V DC programmable controller with 20 digital inputs, 16 relay outputs, RS-232C/RS-485 communication, 5ms response time, 2K words of memory, and DIN rail mounting, operating between 0-55C and holding CE/UL/CSA certifications.
Our Repair Process for the
CPM1A-CHIEVER20A
Our repair process for the Omron CPM1A-CHIEVER20A programmable logic controller begins with a comprehensive diagnostic assessment to pinpoint the root cause of the malfunction, be it power supply failure, I/O module defect, communication error, program execution halt, or real-time clock issue. Power supply failures necessitate replacement of faulty capacitors, rectifiers, or voltage regulators. I/O module failures require component-level repair, including transistor and optocoupler replacement. Communication errors are addressed through firmware reflashing or replacement of damaged RS-232/RS-485 port components. Program execution halts are resolved through rigorous ladder logic debugging and code modification. Real-time clock malfunctions are rectified by replacing the internal battery or RTC chip. Following the repair, the PLC undergoes extensive testing to ensure complete functionality and reliability before being returned.
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