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Siemens 6FC5371-0AA10-0AA2

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Part Number6FC5371-0AA10-0AA2
Model #6FC53710AA100AA2
Warranty2 Year
CategoryNCU 710.2
Memory3 MB
PLC applications12 KB memory
Heat dissipationInternal

Our Repair Services

MRO Electric repairs CNCs, PLCs, Servo/Spindle Drives, Motors, Amplifiers, VFDs, HMIs, and more, most of which can be repaired in only 3-5 days.

Repair Benefits

MRO can restore your failed 6FC5371-0AA10-0AA2 to remanufactured condition and save you up to 75% compared to buying new. We offer standard repair pricing to ensure you the best value for your repair.

Our certified technicians use rigorous testing procedures to ensure your parts are restored to fully functioning condition. Our team proudly stands behind all repairs by providing a minimum 2-year warranty.

Our technicians have vast experience with most manufacturers and models. In addition to this 6FC5371-0AA10-0AA2 we also repair a wide range of other Siemens products, so if you don’t see the model you need, please contact us.

Core Exchange

If you are interested in getting credit for your faulty 6FC5371-0AA10-0AA2, just let us know, and we can issue you an RMA to send it in as an exchange. Our exchange program provides you with savings and keeps us stocked for the next time you need anything.

  • Shipping Weight : 11lbs

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Ask about exchanging your faulty 6FC5371-0AA10-0AA2 for credit when ordering from MRO Electric

MRO Electric provides a 2-year warranty on every item we sell and repair. We stand behind all of our products and guarantee them for the full 2 years. If there is an issue with any of our products within the warranty period, we will evaluate the unit and repair or replace it under warranty.

Siemens 6FC5371-0AA10-0AA2 Overview

Siemens 6FC53710AA100AA2

The Siemens 6FC53710AA100AA2 is a CNC (Computer Numerical Control) hardware unit known as the SINUMERIK 840D sl NCU 710.2. It is a crucial component in industrial automation and machining processes, offering advanced control capabilities for precision machining operations. 

Key Features and Specifications

  1. NCU 710.2 Hardware: The NCU (Numerical Control Unit) 710.2 is at the core of the Siemens 6FC53710AA100AA2. It serves as the brain of the CNC system, executing complex machining programs with precision and speed. The NCU 710.2 is known for its reliability and high-performance capabilities.
  2. PLC 317-2DP Integration: In addition to CNC control, this hardware unit also incorporates a PLC (Programmable Logic Controller) 317-2DP. The PLC functionality adds versatility to the system, allowing for the implementation of custom automation and control logic alongside CNC operations.
  3. User Memory: The Siemens 6FC53710AA100AA2 offers substantial user memory for CNC and PLC applications. It has 3 MB of memory dedicated to CNC functions, which is crucial for storing complex machining programs. Additionally, it provides 512 KB of memory for PLC applications, enabling the creation of intricate automation sequences.
  4. Internal Heat Dissipation: Efficient heat dissipation is essential for the reliable and continuous operation of CNC hardware. The internal heat dissipation mechanism in this unit ensures that it operates within its specified temperature range, preventing overheating and ensuring long-term reliability.

SINUMERIK 840D sl CNC System

The SINUMERIK 840D sl CNC system is renowned in the manufacturing industry for its advanced capabilities and flexibility. It is designed to control and optimize various machining processes, including milling, turning, grinding, and more. The 840D sl series is known for its high precision, speed, and adaptability, making it a preferred choice for complex and demanding machining tasks.

Applications and Significance

The Siemens 6FC53710AA100AA2, as part of the SINUMERIK 840D sl CNC system, finds application in a wide range of industries and machining processes. Some key areas where this CNC hardware unit plays a significant role include:

  1. Aerospace Manufacturing: In the aerospace industry, where precision is critical, the SINUMERIK 840D sl CNC system ensures the accurate machining of aircraft components, such as engine parts and airframe structures.
  2. Automotive Production: Automotive manufacturers rely on CNC systems like the 840D sl for machining engine blocks, transmission components, and other critical parts with high efficiency and accuracy.
  3. Medical Device Manufacturing: The medical device industry benefits from the precision of this CNC system when producing intricate and high-quality medical implants and instruments.
  4. General Machining: The versatility of the SINUMERIK 840D sl makes it suitable for various general machining applications, from mold and die production to custom parts machining.
  5. Prototyping and Research: Research institutions and prototype development facilities leverage the capabilities of this CNC system to create prototypes and conduct experiments with high precision and repeatability.


The Siemens 6FC53710AA100AA2, as part of the SINUMERIK 840D sl CNC system, represents a pinnacle of CNC and PLC hardware technology. Its combination of advanced features, substantial user memory, and internal heat dissipation ensures optimal performance in demanding industrial environments. Whether in aerospace, automotive, medical, or general machining applications, this hardware unit plays a vital role in achieving precision, efficiency, and quality in manufacturing processes.

Siemens products are manufactured in Germany and are designed for Automotive, aerospace, power generation, and electronics usage. They come with a 2-year warranty from MRO Electric. We also carry Accessories from other manufacturers such as FANUC and Yaskawa.

Contact Us Today For More Information About Siemens Products

Check out the rest of our Siemens product line. Whether it's using our online instant quote feature, giving us a call at (800) 691-8511, or emailing us at, we strive for customer satisfaction first. This means lower prices and better service for you. For more products like 6FC5371-0AA10-0AA2, take a look at more from our Accessories line. If your current unit has gone bad, take advantage of our Core Exchange program for the most inexpensive route. You can learn more about this program on our FAQ page here. We offer a repair service on all of our 6FC5371-0AA10-0AA2 products that keep your downtime to a minimum. To stay up to date on manufacturer news, as well as access any of our datasheets, manuals, or other documentation, we suggest you take a look at our blog.

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I needed a special drive, found it, and I was quickly assisted by Joe Kaminski. Everything was exactly as it should be....


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