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Product Description
The Mitsubishi MR-J3-40BS1, a 400W MELSERVO MR-J3 series servo amplifier, operates on 100-120VAC (50/60Hz) with a 9A input current, featuring 4 digital inputs, 2 digital outputs, 1 relay output, and 2 analog outputs. It employs sine wave PWM and current control for precise frequency regulation. Its compact, naturally cooled design (6.61" x 1.57" x 6.69" / 168mm x 40mm x 170mm) includes a built-in dynamic brake and tolerates +/-5% frequency fluctuation, functioning reliably between 0-55C.
Is Your Device Showing These Signs?
The Mitsubishi MR-J3-40BS1 servo amplifier commonly experiences issues stemming from power supply failures, resulting in alarms and operational downtime. Troubleshooting often reveals problems within the IPM (Intelligent Power Module) or capacitor bank, necessitating component replacement or complete unit refurbishment. Encoder feedback errors, manifesting as positioning inaccuracies or drive instability, are traced to faulty encoder cables or resolver degradation. Overcurrent faults trigger protective shutdowns; investigate motor winding shorts, excessive load, or incorrect parameter settings within the drive configuration. Communication errors with the PLC or motion controller require verification of the communication protocol, cabling integrity, and network configuration settings.
Technical specifications
The Mitsubishi MR-J3-40BS1 is a compact 400W servo amplifier (100-120VAC) with digital/analog/relay I/O, sine wave PWM control, built-in dynamic brake, and operates from 0-55C.
Our Repair Process for the
MR-J3-40BS1
Our repair process for the Mitsubishi MR-J3-40BS1 servo amplifier begins with a comprehensive diagnostic evaluation to pinpoint the root cause of the failure, focusing on power supply integrity, IPM functionality, and capacitor bank health. Encoder feedback signals are meticulously analyzed to identify cable faults or resolver degradation. Overcurrent faults are investigated by thoroughly examining motor windings, load conditions, and drive parameters. Communication errors are resolved through rigorous verification of communication protocols, cable connections, and network configurations. Component replacement or complete unit refurbishment is performed as needed, followed by extensive testing to ensure optimal performance and reliability before the unit is 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