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Marvo Part ID: MV-AXG3

£4,959.21 (ex. VAT)


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Specification Description
Part Number 6ES7414-3FM07-0AB0
Alternative Part Number 6ES74143FM070AB0
Manufacturer Siemens
Category Process Control
Description Central Processing Unit for SIMATIC S7-400, with 4 MB work memory for user data and programmes
Work Memory 4 MB
Type of Memory RAM
Battery Backup Available, ensuring retention of data
Weight 1.000 kg
Commodity Code 853710
Engineering with Compatible with STEP 7 software
Firmware Version Refer to the product documentation for firmware details
Power Supply Voltage supplied via the system voltage supply
Input Current Typical and maximum values available in product specifications
Power Loss Typical and maximum values available in product specifications
Ambient Temperature Operation Suitable for a range of industrial operating temperatures
Standards, Approvals, Certificates Complies with relevant industry standards and certifications
Use in Hazardous Areas Suitable for certain hazardous area classifications
Programming Languages Supports multiple programming languages including LAD, FBD, STL, and SCL
Expandable Memory Supports expansion with memory card (FLASH and RAM)
Communication Services Offers a variety of communication services for flexible connectivity

Commonly Asked Questions

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.


Is Marvo a credible parts supplier?

Marvo is a highly credible supplier of industrial automation parts and components with dedicated hubs around the world offering industry-leading products and services. Marvo is committed to providing a quick, easy and reliable place to source your automation and control components. All purchases come as standard with a comprehensive 12-month return to base warranty meaning that, in just a few clicks, you can source critical parts more seamlessly than ever before. Click here to read an article on how Marvo is redefining convenience for automation and manufacturing professionals.


Have steps been taken to ensure quality control?

Marvo takes pride in product quality and has put several measures in place to assure high levels of quality standards. For your peace of mind, all parts have been ‘Marvo Approved’ which means that they have been tested and checked to ensure that they are in working condition. Redefine convenience and secure priority delivery on all parts along with a comprehensive 12-month warranty. This is the smart new way to buy automation and control components.


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6ES7414-3FM07-0AB0 Product Description

The Siemens 6ES7414-3FM07-0AB0 is a high-performance central processing unit designed for the SIMATIC S7-400 series, offering robust capabilities for demanding industrial automation tasks. This CPU is engineered to facilitate complex processes with its substantial 4 MB work memory, partitioned equally for programme and data storage. It boasts a versatile set of interfaces, including an MPI/DP 12 Mbit/s interface, a PROFINET interface with a built-in switch, and a third interface for IF 964-DP plug-in modules, enhancing connectivity and integration with various industrial networks.

Equipped with the latest firmware version V7.0, the CPU 414F-3 PN/DP ensures smooth operation and compatibility with the STEP 7 V5.5 or higher programming package, complete with HSP 262. It supports isochronous mode operation through its PROFIBUS DP or PROFINET interfaces, ensuring precise timing and synchronisation for real-time applications.

The unit is designed for direct supply via system power supply, with typical power consumption being remarkably efficient. It also features a battery-backed RAM, ensuring that all data is preserved in the event of a power interruption. The CPU's integrated work memory is non-expandable, but it does offer options for load memory expansion through FEPROM or RAM memory cards, with a maximum capacity of 64 Mbyte for FEPROM and 64 Mbyte for RAM.

This CPU is not just powerful but also user-friendly, with a web server for easy access to CPU information and diagnostics. It supports various communication services, including S7 communication as both client and server, and is capable of S7 routing. The CPU is also equipped for handling direct data exchange and supports DPV1 for enhanced communication capabilities with PROFIBUS DP slaves.

With its robust design and advanced features, the Siemens 6ES7414-3FM07-0AB0 CPU is an ideal choice for industrial automation systems requiring high reliability, extensive communication options, and powerful processing capabilities.

Frequently Asked Questions

What is the function of the Siemens CPU in a control system?

The Siemens CPU acts as the central processing unit within a SIMATIC S7-400 automation system, executing control logic, processing data, and managing communication with I/O modules and other devices in the network. It's essential for the real-time operation and monitoring of industrial processes.

Can the work memory be expanded on this CPU?

Yes, the work memory of the CPU can be expanded using a compatible memory card, such as a RAM or Flash card, to accommodate larger user programs or additional system data.

Is it possible to update the firmware of this CPU without a memory card?

Yes, the firmware of the CPU can be updated online without the need for a memory card, provided the CPU is accessible via a network such as PROFIBUS, MPI, or Industrial Ethernet.

What programming languages are supported by this CPU?

This CPU supports multiple programming languages including Ladder Diagram (LAD), Function Block Diagram (FBD), Statement List (STL), Structured Control Language (SCL), Continuous Function Chart (CFC), and GRAPH for sequential control.

How can I monitor the status of the CPU remotely?

The CPU comes with a built-in web server that allows for remote monitoring and diagnostics via a standard web browser. This enables you to view CPU status, diagnostics buffer, and other important information.

What are the ambient operating temperature limits for this CPU?

The CPU is designed to operate within an ambient temperature range of 0 °C to 60 °C, ensuring reliable performance in various industrial environments.

Does this CPU support know-how protection?

Yes, the CPU supports know-how protection which includes user program protection/password protection and block encryption to secure your intellectual property.

Can I use a standard web browser to access the CPU's web server?

Yes, the web server of the CPU is compatible with standard web browsers such as Internet Explorer, Mozilla Firefox, and Opera, allowing for convenient access to the CPU's information and settings.

What type of memory cards can be used with this CPU?

The CPU is compatible with both RAM and Flash memory cards, which can be used to expand the CPU's load memory and store user programs and data.

Are there any specific requirements for creating a dynamic user page for the CPU's web server?

Creating a dynamic user page requires the use of Advanced Web Programming (AWP) commands in your HTML user page, and you must have configured the necessary communication settings and user access rights in the CPU properties.