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Marvo Part ID: MV-290R

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Specification Description
Part Number 6FC5373-0AA00-0AA2
Alternative Part Number 6FC53730AA000AA2
Manufacturer Siemens
Category General Automation
User Memory CNC: 3 MB; PLC: 512 KB
Internal Heat Dissipation Yes
Weight 1.800 kg
Commodity Code 853710
Suitable for SINUMERIK 840D sl CNC systems
Application Utilised in advanced CNC machining centres for enhanced automation and precision control
Features Equipped with a PLC 317-2DP, offering robust performance for complex manufacturing requirements
Integration Designed for seamless integration with SINUMERIK 840D sl systems
Functionality Provides reliable and efficient control for a wide range of CNC operations

Commonly Asked Questions

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Is my order covered by a warranty?

Marvo provides a full 12-month warranty on all products, whatever the condition. For your peace of mind, all parts are ‘Marvo Approved’ which means that they have been tested and checked to ensure that they are in working condition. If you are unhappy with the part(s) you received and would like to request a return, you can do so by completing our quick and easy online form. Once we have received your Returns Request, a member of the team will be in touch to discuss this further with you. You can read more about our warranty policy here.


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Marvo currently delivers to the United Kingdom (excluding Northern Ireland), the United States of America and Germany. If you cannot find your delivery address at checkout, this is most likely because Marvo does not currently deliver to this location. There are ongoing efforts to make Marvo accessible to a global market, keep your eyes peeled as our service expands to new locations. All orders are sold with a streamlined delivery process ensuring that you get your part, fast. Marvo is designed to offer you quick, easy and reliable access to critical components and uses well established global shipping services, including but not limited to DHL, UPS and FedEx.


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Have steps been taken to ensure quality control?

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Full warranty

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Priority delivery

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Committed to you

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6FC5373-0AA00-0AA2 Product Description

The Siemens 6FC5373-0AA00-0AA2 is a sophisticated NCU module designed for the SINUMERIK 840D system, which is renowned for its exceptional performance in CNC operations. This module is an integral component of advanced manufacturing processes, offering a seamless blend of CNC and PLC functionalities to cater to the demanding requirements of modern industrial applications.

With a substantial 3 MB of CNC memory and 512 KB of PLC memory, this module is well-equipped to handle complex tasks with ease. The internal heat dissipation feature ensures that the system operates efficiently even under high workloads, maintaining stability and reliability.

Engineered to deliver precision and speed, the Siemens 6FC5373-0AA00-0AA2 is ideal for a wide range of machining operations, including milling, turning, and drilling. Its robust construction and advanced technology make it a valuable asset for manufacturers seeking to optimise their production capabilities and achieve superior results.

Whether you're upgrading an existing system or building a new setup, this NCU module is a smart choice for those who require top-tier control and performance in their automated processes.

Frequently Asked Questions

What is the purpose of the Siemens NCU Module?

The Siemens NCU Module is designed for use with SINUMERIK 840D systems, serving as a numerical control unit. It is responsible for the execution of user programs, processing of input and output signals, and overall management of the CNC system.

Can this module be used for both CNC and PLC tasks?

Yes, the Siemens NCU Module is equipped to handle both CNC tasks with a memory of 3 MB and PLC tasks with a memory of 512 KB, providing a versatile solution for industrial automation.

Is internal heat dissipation a feature of this module?

Indeed, the module has been designed with internal heat dissipation capabilities to ensure reliable operation even in demanding industrial environments.

What type of memory does the module contain?

The module contains user memory for CNC tasks at 3 MB and for PLC tasks at 512 KB, facilitating efficient processing and operation.

How does this module integrate with SINUMERIK 840D systems?

The module seamlessly integrates with SINUMERIK 840D systems, enhancing their performance by providing additional memory and processing capabilities for complex tasks.

What are the general applications of the Siemens NCU Module?

General applications include machine tool control, automation of production processes, and integration into complex manufacturing systems requiring precise CNC and PLC operations.

Can I use this module to upgrade my existing SINUMERIK system?

Yes, the Siemens NCU Module can be used to upgrade or replace existing components in a SINUMERIK system, subject to compatibility with the specific system configuration.

Is specialised knowledge required to install the Siemens NCU Module?

Installation of the Siemens NCU Module typically requires technical expertise in industrial automation and CNC systems, as it involves integration with complex machinery and software.

What are the benefits of using a Siemens NCU Module in my CNC system?

Benefits include improved processing power, enhanced system reliability due to internal heat dissipation, and the ability to handle both CNC and PLC tasks within a single module.

Are there any specific industries where the Siemens NCU Module is particularly beneficial?

The Siemens NCU Module is particularly beneficial in industries such as automotive, aerospace, and other manufacturing sectors that require high precision and reliability in their CNC operations.