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Mitsubishi AJ71PT32-S3

Mitsubishi

Modules

A Series

AJ71PT32-S3

ISO 9001:2015 Certified Quality

Our certified process ensures consistent quality and reliable repairs every time.

2-Year Repair Warranty

We stand behind our repairs with an extensive 2-year warranty on parts and labor for your peace of mind.

Fast Turnaround Time

Our efficient process and large parts inventory help minimize your operational downtime.

Expert Component-Level Repair

We find and replace individual failed components, offering a more affordable and effective repair than full replacement.

Free, No-Obligation Quote

Send us your item for a free evaluation and receive a detailed repair quote with no commitment required.

Product Description

The Mitsubishi MELSEC-A series AJ71PT32-S3 is a lightweight (0.6 kg) MELSECNET/MINI-S3 master module for industrial automation, enabling robust and flexible communication via fiber-optic (plastic fiber, 660 mm wavelength, -12.5 to -11.6 dB transmission, -34.8 to -14.0 dB receive, 260 dB/km loss) or twisted-pair cables (2+ pins, 88.0 ohm/km max resistance). It supports up to 64 stations, 512 I/O points, 1.5 Mbps speed, and real-time data updates, with I/O refresh times from 3.2 to 18 ms. It consumes 0.35 A (optical) or 0.3 A (twisted pair) at 5VDC and occupies 32/48 I/O points in dedicated/extended mode.

Is Your Device Showing These Signs?

The Mitsubishi AJ71PT32-S3 module commonly experiences communication failures due to incorrect network configuration parameters, including IP address conflicts and subnet mask errors. Resolve these issues by verifying the Ethernet cable connections and ensuring proper termination. Firmware corruption is another potential problem, necessitating a firmware update or re-flash. Hardware failures, such as damaged Ethernet ports or internal component malfunctions, require module replacement. PLC programming errors, specifically incorrect buffer memory allocation and communication protocol settings, prevent proper data exchange.

Technical specifications

  • The Mitsubishi AJ71PT32-S3 is a 0.6 kg MELSECNET/MINI-S3 master module for industrial automation, supporting up to 64 stations, 512 I/O points, and 1.5 Mbps speed via fiber-optic or twisted-pair cables. It features I/O refresh times from 3.2 to 18 ms and consumes 0.3-0.35 A at 5VDC.

Our Repair Process for the

AJ71PT32-S3

Our repair process for the Mitsubishi AJ71PT32-S3 module begins with a thorough verification of Ethernet cable connections and termination to eliminate physical layer issues. Network configuration parameters, including IP address and subnet mask, are checked and corrected to resolve communication conflicts. If communication failures persist, a firmware update or re-flash is performed to address potential firmware corruption. In cases of hardware failure, such as damaged Ethernet ports or internal component malfunctions, the module is replaced. Finally, PLC programming is scrutinized, and buffer memory allocation and communication protocol settings are adjusted to ensure proper data exchange.

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.

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