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Siemens 6FC5357-0BB35-0AA0

Rated 5/5 on 4 reviews

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PRODUCT TYPE INFO: Sinumerik  NCU module 


6 in stock

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2 Year warranty

Part Number6FC5357-0BB35-0AA0
Model #6FC53570BB350AA0
Warranty2 Year
Article Number6FC53570BB350AA0
Product FamilySinumerik
ProcessorPentium III 933 MHz
CNC User Memory3-6MB
PLC Memory128 / 768 KB
Front PanelType 3
Fan BoxNo

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 6FC5357-0BB35-0AA0 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 6FC5357-0BB35-0AA0 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 6FC5357-0BB35-0AA0, 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 : 3lbs

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Ask about exchanging your faulty 6FC5357-0BB35-0AA0 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 6FC5357-0BB35-0AA0 Overview

The 6FC5357-0BB35-0AA0 is a Sinumerik NCU 573.5 module with a Pentium III 933 MHz processor. It has a max of 6 MB CNC user memory, and a PLC 317-2DP. The PLC memory is 128 / 768 KB and the unit does not include a fan box. These Sinumerik NCU modules are featured with a standard PCMCIA card along with 4 high speed NC inputs and 4 rapid NC outputs. There are 2 measuring pulse inputs, 2 handwheel inputs, and voltage/temperature monitoring. These 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.


With a maximum of 6 megabytes CNC (Computerized Nominal Control) user memory, and a PLC (Programmable Logic Controller) armed with Programmable Loc 317-2DP, this module is a reliable and easily serviceable piece of equipment. The PLC memory measures in at 128 / 768 Kilobyte.  While this product does not include a fan box contained in the unit, the needs which present themselves in the use of this product which might require the use of a fan box for successful operation are accounted for in the operation of the unit as a whole.


This 6FC5357-0BB35-0AA0 is what is commonly referred to as an Axis control card and is manufactured by Siemens. As the Manufacturer Siemens either produces all the pieces which are compiled to make the part, or they purchase all the pieces and assemble them in order to provide a quality part for your manufacturing needs.  In this case this part is a Siemens Sinumerik 840D/DE NCU 573.5 Axis Control Card 

Sinumerik is the part of the product name that identifies the series, as well as 840D/DE. NCU stands for Nominal Control Unit, and this Nominal Control Unit is a module equipped with a Pentium III 933 MHz processor; this designation provides a better understanding of this Axis Control Card’s processing capability; in this case the processing capacity is 933 Megahertz.

How to use a 6FC5357-0BB35-0AA0

This Nominal Control Unit module contains temperature and voltage monitoring capabilities, two handwheel inputs and two measuring pulse inputs. Along with a traditional PCMCIA (Personal Computer Memory Card International Association) card the 6FC5357-0BB35-0AA0 has 4 wonderful high-speed inputs and 4 rapid NC outputs.

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 6FC5357-0BB35-0AA0, 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 6FC5357-0BB35-0AA0 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.

5 stars

4.9 Overall Satisfaction Rating

Over 1700 Ratings from Actual Customers

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Fast delivery and very good service.


Would use again. Received in timely manner.


Very happy with the overall service, delivery, communication and delivery,

Conley Cooke