PROFIBUS portfolio from Siemens

There’s a name for successful fieldbus communication: PROFIBUS

With well over 60 million installed nodes, PROFIBUS is the leading fieldbus for industrial automation on the world market. The success of PROFIBUS is no coincidence. The benefits of this universally usable, open, and rugged fieldbus system for data communication according to IEC 61158/61784 are valued in all industries. Siemens offers you a comprehensive product and system portfolio.

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Take advantage of proven PROFIBUS components

PROFIBUS portfolio from Siemens

Product image Network components

Network components

Transmission components for electrical and optical networking

The PROFIBUS portfolio from Siemens offers you an extensive range of network components for electrical and optical transmission technology. Using suitable cabling technology in the form of the PROFIBUS FastConnect system, the PROFIBUS copper cables for electrical networks can be quickly, easily, and correctly assembled on site. The transition between electrical and optical networks can easily be implemented using PROFIBUS OLMs (Optical Link Modules), as well as the configuration of optical networks in linear, star, or redundant ring topologies.


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> Network components

Product image Connecting systems

Connecting systems

Fast fieldbus communication with PROFIBUS..

… for SIMATIC S7

The PROFIBUS communications processors (CPs) for the SIMATIC S7 controllers open up further use cases, thanks to additional functions such as fiber optic as far as the terminal device. They also enable the flexible expansion of SIMATIC S7 controllers with further communication interfaces for PROFIBUS as required and in this way lighten the load on the CPU.


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> Connecting systems for SIMATIC S7



… for PG/PC

The system connections for PG/PC include, for example, SIMATIC NET PC communications processors (CPs) for PCI, PCI-104, PCI Express, and USB interface, as well as CPs with or without an internal microprocessor. The PC adapter for commissioning and diagnostics makes it possible to connect PCs and notebooks to PROFIBUS via a USB interface and to the MPI interface of SIMATIC S7. Plus the SIMATIC NET PC software offers a wide range of products for industrial communication and features the latest PC technology trends.


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> Connecting systems for PG/PC


Product image Distributed I/O

Distributed I/O

Customized distributed automation systems with PROFIBUS...

SIMATIC ET 200 is a multifunctional, modular, and precisely scalable system for distributed automation. All system components can be integrated in the automation system via PROFIBUS.


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Product image Communication modules

Communication modules

Intelligent data management with industrial identification...

Whether in production or logistics, communication modules allow you to connect our SIMATIC Ident systems (RFID and optical identification systems) to SIMATIC controllers, PC-based systems, or controllers from third-party suppliers. Various powerful communication modules (ASMs) are available for integrating the SIMATIC RFID and SIMATIC MV identification systems in SIMATIC, SINUMERIK, and SIMOTION, or in the PROFIBUS, PROFINET and EtherNet/IP bus systems.


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> Communication modules

Product image Network transitions

Network transitions

Always the right network transition – for unlimited communication...

Whether you‘re connecting the Industrial Ethernet, PROFIBUS, AS-Interface, or Industrial Wireless LAN, Siemens has your industry-proven network transition solution. We offer tailor-made products for every network type and can provide you with the optimal basis for company-wide, integrated, and unlimited communications, thanks to reliable network transitions.


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> Network transitions

Product image PROFIBUS routers

PROFIBUS routers

Protected remote access to plants and machines with PROFIBUS...

The compact PROFIBUS/MPI router SCALANCE M804PB permits the cost-effective and secure connection of machines and plants (for example, SIMATIC S7-300/S7-400) to Ethernet networks. This also makes them accessible via remote access, for example for remote maintenance. The integrated firewall and VPN security functions increase protection against unauthorized access and improve the security of data transmission. The routers also enable you to access PROFIBUS/MPI programmable controllers via your local Ethernet interface.


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> PROFIBUS routers


The fieldbus for the manufacturing and process industries

PROFIBUS has been established as the leading fieldbus for machines and plants for more than 25 years. Based on serial bus technology, it revolutionized the automation world in the 90s and, for the first time, created the basis for distributed concepts – and Siemens was there right from the start.

Industrial automation speaks PROFIBUS

Based on a modular concept, PROFIBUS can be adapted to the most diverse applications and proves its worth in all segments of discrete automation and the process industries. The globally established fieldbus can be used in all production and process steps.


Uniform PROFIBUS solutions help to significantly reduce investment, operating, and maintenance costs and decisively boost plant availability and productivity. Siemens offers you an extensive range of products, components, and systems that enable you to expand and optimize your PROFIBUS installation. 

Over 650 questions and answers relating to all aspects of PROFIBUS:


Are you ready for a change?

Upgrade now from PROFIBUS to PROFINET – quickly and easily!

The simple migration from PROFIBUS to PROFINET offers a seamless upgrade of existing opportunities and possibilities.


PROFINET combines industrial experience from PROFIBUS with the openness and flexible options of the Ethernet. The many benefits that PROFINET offers when implementing automation and drive tasks mean that the transition is always worthwhile. Flexible topologies, one cable for all applications, wireless safety applications with PROFIsafe, and significantly higher system performance thanks to scalable mechanisms speak for themselves.

Tools & information

Everything for your PROFIBUS project

Find out more about our comprehensive PROFIBUS offering. Here you’ll find helpful tools, further information, technical data, manuals, and much more!

The fastest way to the experts

Proposed solutions for your queries and direct access to our experts in Technical Support

Service offers

To remain competitive over the long term, companies in industry must ensure – and ideally increase – the availability and productivity of  machines and plants. As your partner, we offer a unique range of services and support based on our extensive technology and industry expertise.

Well trained for excellent handling

Receive standardized or individual expertise directly from the manufacturer – with training centers in more than 60 countries.

Industry Mall

Select and order PROFIBUS components

Whether network components, connecting systems, communication modules, or routers – you can access the entire PROFIBUS product range directly in our Industry Mall. Have a look!

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