OPC UA

Siemens supports the open communication standard OPC UA for Industrial Ethernet

On the path to digitalization – thanks to open, platform-neutral communication with OPC UA

When it comes to networking and standardization or cybersecurity – the requirements for industrial networks are increasing at an ever-faster pace. In this problematic area, the open, Ethernet-based OPC UA (Open Platform Communications – Unified Architecture) communication standard is experiencing rapid growth. With its integrated security mechanisms, vendor- and platform-independent OPC UA provides the best foundation conditions for digitalization.   Siemens relies on OPC UA for vertical connection and for communication between machines (M2M) – and it’s combining the advantages of OPC UA with those of PROFINET in Industrial Ethernet networks.

Do you want to learn more about OPC UA? Our experts will be happy to advise you.

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Expert Talk I Sven Gottwald, Head of System Management for Process Industries and Drives, Process Automation DE Business Unit, Siemens

In our Expert Talk you will quickly find out what OPC UA and OPC UA with TSN is really all about.

Do you ask yourself, for example, which applications can be realized with OPC UA PubSub based on TSN?

Or which different approaches are being pursued by IIC and LNI4.0?

Sven Gottwald, Head of System Management at Siemens AG, gives answers to these and other questions.

The OPC UA standard

A milestone for automation in the digital environment

OPC UA (Open Platform Communications – Unified Architecture) is an open standard for horizontal communication from machine to machine (M2M) and for vertical communication from machine all the way to the cloud. It’s vendor- and platform-independent, supports extensive security mechanisms, and can be optimally combined with PROFINET in a shared Industrial Ethernet network.

OPC UA speeds up the digitalization of your company

To handle the requirements of tomorrow’s industry, industrial networks will need to be able to meet ever-increasing demands. Companies will need convergent, end-to-end, secured networks that are flexibly scalable, dynamically adaptable, and able to accommodate large numbers of users – naturally, with the fastest possible response times.

OPC UA is an important component: The open, platform-neutral communication standard enables seamless communication with third-party applications and can be flexibly scaled to meet specific requirements. With its semantic capabilities, OPC UA supports more than just data transmission: It also contains a unique information model. Proven security mechanisms like authentication, authorization, and encryption guarantee a secure connection. In addition, PROFIsafe mechanisms are being prepared for OPC UA to permit standardized, safety-related communication between machines. OPC UA can also be integrated into existing Industrial Ethernet networks and can run on the existing PROFINET infrastructure without compromising performance.

That’s why Siemens relies on OPC UA as the number-one open interface from the control level to higher-level SCADA, MES, and ERP systems all the way to the cloud.

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Communication mechanisms for different requirements

OPC UA based on TSN

Another step into the digital future and towards IIoT (Industrial Internet of Things)

Guaranteed, scalable bandwidths, optimized Quality of Service (QoS) mechanisms, real-time capability, and very low transmission latency in communication networks: Siemens relies on Time-Sensitive Networking (TSN) to get the most out of automation networks while meeting constantly growing requirements. As a result, communication from machine to machine and from machine all the way up to the operator level can achieve new heights in terms of speed and reliability. TSN is defined within the framework of IEEE 802.1 and combines a series of individual standards that affect only the data-link communication layer (layer 2).

Good reasons to use OPC UA

OPC UA and PROFINET – together into the future

Development with outstanding prospects

Open Platform Communications – Unified Architecture (OPC UA) was developed by the OPC Foundation, which was created in 1996 with Siemens as a founding member. The OPC Foundation is an international nonprofit organization with over 450 members from all sectors of industry. It works closely with users and vendors to develop the open, vendor-independent standard – and it does so successfully, according to this statement by Holger Junker of the German Federal Office for Information Security (BSI): “The only communication technology in the factory with implicit security features and the potential to meet the challenges posed by Industrie 4.0 that I am aware of today is OPC UA.”

Learn more about OPC UA:

Open Brochure

OPC UA portfolio

Siemens products and systems with OPC UA interface + supporting tools

Siemens offers a comprehensive hardware and software portfolio for Totally Integrated Automation (TIA) that extends from the field level to the control and operater levels. As an open communication standard, OPC UA plays an important role for the entire TIA portfolio.
Downloads, support, service

Even more OPC UA for you

Take advantage of additional sources of information to learn more about OPC UA, the open communication standard for the digital future and Industrie 4.0. Brochures, informational materials, technical data, FAQs, and services – you’ll find them all here!

Technical Support

Fast, expert support for all your technical queries – even for products that have been discontinued or are no longer available for delivery

SITRAIN – Digital Industry Academy

Further education for all Siemens industrial products - directly from the manufacturer, individually, with the latest methods.

Financial solutions for your success

We provide financial and technological expertise to help you boost your competitiveness

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Our experts are ready to help

Do you want to know more about OPC UA and the Siemens strategy? Would you like more specific information on how OPC UA and PROFINET will interact in the future? Our experts are happy to help.

We’re happy to answer all your questions about OPC UA:

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