• Sercos technology:

    Proven, easy, fast, open

Advantages

Fast

High speed at highest precision

Sercos offers high speed due to the use of Fast Ethernet (100Mbps full duplex) and short running times because of the summation frame procedure.

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High speed at highest precision

The on-the-fly processing and the direct cross communication reduces running times in the network to a minimum. The communication cycle time is configurable between 31.25μs and 65ms, with synchronization accuracy << 1μs.

 

Efficient

Optimum usage of environment

Hot plugging can be done without impacting real-time or synchronization characteristics. The optimized use of bandwidth is ensured through a summation frame procedure and multiplexing procedure.

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Optimum usage of environment

All Ethernet-based protocols (including TCP/IP communication) can be transmitted with real-time data at the same time using the same cable. An unfavorable ratio between the Ethernet overhead and the user data volume is avoided since process data does not have to be transmitted in individual telegrams but is consolidated in one summation framework telegram.

Safe

Sercos technology means safety

Safety functions up to SIL3 that are in accordance with IEC 61508 can be implemented with CIP Safety on Sercos. Safety-relevant and non-safety-relevant data is transferred over the same cable.

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Sercos technology means safety

Devices can safely communicate outside of network boundaries thanks to CIP Safety’s routing capability.

Economical

Sercos ensures economic viability in all areas

With Sercos, your organization can  maximize productivity while saving energy at the same time. Machine controls can set components to idle mode at any time.

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Sercos ensures economic viability in all areas

An intelligent control system makes sure that axes and components are switched off when not in use. Sercos is also highly efficient during the installation process. Sercos controls configure themselves since the drive can be parametrized via Sercos without having to connect a separate configuration device.

Flexible

Flexible in all areas

The Sercos technology offers flexible network topologies such as ring, line, star/tree structures and a comprehensive choice of device profiles for all types of automation devices.

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Flexible in all areas

Innovative communication functions, such as direct cross communication as a result of decentralized intelligence and an unlimited ability to work in real-time, increase the flexibility of machines and that of their operators. Sercos slaves can communicate with one another directly and with minimal lag via cross communication – for unlimited real-time communication and intelligent automation structures. Ring redundancy and hot-plugging are also part of these innovative communication features.

Reliable

Sercos reduces machine downtimes

Redundant data transmission ensures high machine and plant availability. Synchronization which is accurate to less than one microsecond ensures deterministic and synchronized communication across the entire Sercos network.

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Sercos reduces machine downtimes

Sercos allows fail-safe communication: Cable breaks in a ring configuration are recognized within 25μs which means that data is lost for a maximum of one cycle. Copper or fiberglass cables ensure robust cabling.

Simple

Easy machine implementation

Sercos devices are easy to configure and put into use. Maintenance is easy because the devices and their position within the topology are recognized automatically.

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Easy machine implementation

The cables are easy to connect as neither the physical order of the devices nor the order of the connection to the two Sercos ports is important.

Independent

Vendor-independent technology ensures maximum security

Sercos technology is independent from manufacturers. The member-supported Sercos International e.V. user organization owns all rights to Sercos technology. Specifications are maintained and developed by a task force which includes member from multiple manufacturers.

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Vendor-independent technology ensures maximum security

Membership is voluntary and all interested parties can use the Sercos technology. In addition, those that are interested can participate in one of the many technical working groups. These are co-ordinated by the Sercos Steering Committee. 

Proven

Proven technology

Sercos is an open, international standard (IEC 61784, IEC 61158, IEC 61800-7) and ensures complete backwards compatibility so that it is a long-term investment.

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Proven technology

Sercos technology is widely accepted in many industries, in particular for high-end applications. Leading suppliers of automation systems back Sercos with broad product portfolios. More than four million real-time nodes are currently being used in more than 500,000 applications – and the number is growing every day. Plus, Sercos uses Ethernet-standard IEEE 802.3 physics and protocol.