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Marvo Part ID: MV-2AGW

£6,803.98 (ex. VAT)


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Specification Description
Part Number 6FC5357-0BB35-0AE0
Alternative Part Number 6FC53570BB350AE0
Manufacturer Siemens
Category General Automation
Description Siemens NCU Module for SINUMERIK 840D/DE systems, providing advanced control for machine tools
Short Description Digital Control Unit
Commodity Code 853710
System Compatibility SINUMERIK 840D/DE
Functionality Enables direct data exchange, supports ET200Pro-F peripherals, and offers thermal motor protection
Software Version Compatible with various software versions as detailed in upgrade instructions
PLC Operating System Version Requires specific versions as detailed in upgrade instructions
Features Supports PROFIBUS I/Os, has increased safety checksums, and allows for individual version input of machine data
Usage Ideal for complex machining processes requiring precise control and custom configurations

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6FC5357-0BB35-0AE0 Product Description

The Siemens NCU Module, part number 6FC5357-0BB35-0AE0, is a sophisticated digital control unit designed for use with the SINUMERIK 840D/DE system. This module is an integral component for advanced CNC automation tasks, offering exceptional performance and reliability for a wide range of machining applications.

Crafted with precision engineering, the NCU Module serves as the central processing unit for the SINUMERIK 840D/DE, one of the most versatile and powerful CNC systems available. It is capable of controlling complex processes with ease, ensuring high-speed data processing and real-time control for multi-axis and spindle operations.

The module's robust design is tailored to meet the demands of high-end machine tool applications, including milling, turning, grinding, and even additive manufacturing processes. Its compatibility with a variety of peripherals and interfaces makes it a flexible solution for integrating into existing manufacturing setups.

With its advanced features, the Siemens NCU Module ensures that machine tools operate with maximum efficiency and precision. It supports a wide range of technological functions and is equipped with safety features that contribute to the overall operational security of the CNC system.

Manufacturers looking to enhance their production capabilities will find the Siemens NCU Module to be a valuable addition to their automation infrastructure, providing the control and adaptability needed to stay competitive in today's fast-paced industrial landscape.

Frequently Asked Questions

What is the purpose of the NCU Module SINUMERIK 840D/DE?

The NCU Module SINUMERIK 840D/DE is a digital control unit designed for use in CNC machine tools. It serves as the central processing unit for the SINUMERIK 840D/DE system, handling all the computational tasks required for the precise control of machine tool movements and operations.

Can the NCU Module be used for both milling and turning machines?

Yes, the NCU Module is versatile and can be configured to control both milling and turning machines, making it suitable for a wide range of CNC applications.

What software versions are compatible with this NCU Module?

This NCU Module is compatible with several software versions, including but not limited to,,, and It's important to ensure that the software version matches the requirements of your specific application and hardware configuration.

How do I upgrade the software on the NCU Module?

Software upgrades on the NCU Module should be performed by trained service personnel using the appropriate tools and following the detailed upgrade instructions provided by Siemens. It involves preparing a series startup file and upgrade file, ensuring the correct settings, and potentially modifying machine data if necessary.

Are there any specific memory requirements for the NCU Module?

Yes, the NCU Module has specific memory requirements that must be met for optimal performance. These include settings for dynamic user memory, buffered memory, and various hash table sizes. It's crucial to check and adjust these settings according to the provided upgrade instructions and machine data documentation.

What are the safety features available in the NCU Module?

The NCU Module includes enhanced safety features such as extended safety checksums and thermal motor protection to ensure the safe operation of CNC machines. These features help protect the machine and its components from overloading and overheating.

Can I access the PROFIBUS I/Os directly from the NCU?

Yes, the NCU Module provides a functionality called 'NckProfibusCom' which enables direct data exchange between the NCK and the PROFIBUS I/Os. This can be done via synchronized actions in the part program or compile cycles.

What should I do if I need to replace the NCU hardware?

If you need to replace the NCU hardware, it's essential to use the latest released version of the software series that is compatible with the new NCU. This may require an upgrade to a newer software version by trained service personnel.

How can I identify individual machine data blocks on the NCU?

Individual machine data blocks, such as channel or axis machine data, can be identified with an individual ID that can be recognized in the control. These data are provided in the form of a character string and can be written through the startup archives and the standard HMI.

What are the considerations for magazine edge locations in the NCU?

Magazine edge locations can now be limited with regard to the tool size, which is a new feature that allows for more precise and safe tool management within the CNC machine's tool magazine.