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2-year Warranty

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Siemens 6SL3040-1MA00-0AA0

Rated 4.5/5 on 2 reviews

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DESCRIPTION: S120 Chassis Format Units 

8 in stock

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2 Year warranty

Part Number6SL3040-1MA00-0AA0
Model #6SL30401MA000AA0
Warranty2 Year
OPCU320-2 DP
Rated (A)6.5 AMP
Rated (V)24 V DC

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 6SL3040-1MA00-0AA0 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 6SL3040-1MA00-0AA0 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 6SL3040-1MA00-0AA0, 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 : 5lbs

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  • Order within the next 22 hours and 34 minutes.
  • If you order between 4pm and 6pm EST, you will be charged a small rush fee.

Ask about exchanging your faulty 6SL3040-1MA00-0AA0 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 6SL3040-1MA00-0AA0 Overview

Exploring the Siemens 6SL3040-1MA00-0AA0 SINAMICS CU320-2 DP Control Unit: 

Elevating Industrial Automation

In the realm of industrial automation, precision and control are paramount. Siemens, a stalwart in the industry, presents the 6SL3040-1MA00-0AA0 Control Unit as part of its SINAMICS series, specifically within the SINAMICS S120 range. This particular unit, the CU320-2 DP, plays a pivotal role in ensuring efficient and precise control within a diverse array of industrial applications.

SINAMICS S120 Series: 

Powering Industrial Precision

The SINAMICS S120 series by Siemens embodies a modular drive system meticulously designed to cater to the multifaceted requirements of industrial automation. Within this series, the Siemens 6SL3040-1MA00-0AA0 SINAMICS CU320-2 DP Control Unit stands as a testament to Siemens' commitment to innovation and reliability.

Product Insights:

  • Module Type: Control Unit (CU320-2 DP)
    • At its core, the 6SL3040-1MA00-0AA0 is a Control Unit equipped with advanced capabilities tailored for industrial automation.
  • Interface with PROFIBUS DP
    • The inclusion of a PROFIBUS DP interface ensures seamless communication and data exchange within complex automation networks.
  • Expandable I/Os
    • This Control Unit comes with onboard I/Os, which can be further expanded with additional modules as needed, offering flexibility and scalability in system design.
  • Versatile Drive Control
    • It boasts the capability to control multiple drive objects, making it a versatile choice for various industrial scenarios.
  • Integrated Safety Functions
    • Safety is paramount in industrial environments, and this Control Unit is equipped with integrated safety functions to ensure comprehensive drive monitoring and safety compliance.
  • Memory
    • The unit features specific RAM and Flash memory capacities to facilitate efficient operations and storage of essential user data.
  • Power Supply
    • Typically operating on 24V DC, it ensures a stable power supply to drive critical industrial processes. For precise power supply requirements, specific product details should be referred to.

Installation and Integration: 

A Step-by-Step Guide

  1. Placement: Carefully select a location within a control cabinet that is devoid of excessive dust or moisture. Adequate ventilation ensures optimal performance.
  2. Mounting: Securely mount the Control Unit on a DIN rail or directly on the cabinet's mounting plate, depending on the design of your setup.
  3. Wiring:
  • Connect the power supply, typically 24V DC, ensuring correct polarity.
  • Establish connections to the PROFIBUS DP interface and any other relevant communication interfaces required for your specific application.
  • Integrate any necessary I/Os for seamless data exchange.
  1. Configuration: Utilize Siemens' STARTER or TIA Portal software to configure the Control Unit. Set parameters, define operational parameters, and seamlessly integrate them into your automation ecosystem.
  2. Testing: Power on the unit, thoroughly inspect for correct operation, and ensure that no fault indicators are triggered. Test its communication with other system components to guarantee smooth and precise automation processes.

A Glimpse into Performance and Versatility:

The Siemens 6SL3040-1MA00-0AA0 Control Unit finds its place within the SINAMICS S120 modular drive system series, contributing advanced control capabilities across a broad spectrum of drive tasks. The CU320-2 DP, with its formidable set of features including integrated safety functions, PROFIBUS DP interface, and multi-drive object handling, emerges as a standout performer. Be it machinery, automotive applications, textiles, or various industrial settings, this Control Unit's versatility and performance set new standards for precision and control.

Maintenance and Optimization: 

Stay Ahead with Firmware Updates

To ensure your industrial automation system operates at peak performance and remains fortified against potential vulnerabilities, diligent maintenance, and firmware updates are essential. Siemens Electric consistently releases updates and patches, enhancing the Control Unit's functionality and reinforcing its security features. By staying up-to-date, you safeguard the reliability, resilience, and longevity of your industrial automation system.

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 6SL3040-1MA00-0AA0, take a look at more from our Controllers 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 6SL3040-1MA00-0AA0 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.

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Over 1700 Ratings from Actual Customers

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

Conley Cooke

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


We have an older DMU80 CNC Machine and the Handheld Control was damaged beyond repair. MRO was very helpful in confirmin...

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