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Introduction to Sercos interface
Applications Types
Sercos III
General Architecture
Sercos III Profiles
Blended Infrastructure
Additional Resources
Sercos I and II
Sercos Standardization
  Introduction to Sercos III
  Summary of Sercos III Advantages
  Key Advantage: Communications Efficiency
  Key Advantage: Multi-Axis Distributed Control
  Key Advantage: Cross Communications Capabilities
  Key Advantage: Enhanced Reliability
Key Advantage: Investment Protection

Key Advantage: Investment Protection

One of the most important advantages of Sercos is its open architecture. With more than 60 manufacturers now supporting Sercos III, it gives machine builders and end-users confidence that selecting Sercos III will not box them into a limited bus architecture that could impact long-term costs and platform flexibility. Several hundred products are available, including motion controls, servo drives, CNCs, PLCs, high speed I/O and other devices such as camera systems, actuators and hydraulic and pneumatic control systems. The Sercos III community is continuously growing and has strong support from market leaders such as Bosch Rexroth and Schneider.

Sercos III is also backwards compatible with Sercos I and II bus architectures, for increased interoperability with existing installed systems. Sercos is an open international standard for real-time communications. See Sercos Standardization for a list of applicable IEC standards.

Sercos specifications are non-proprietary and fully published, and experts from Sercos working groups (who contribute to national and international standards organizations) are involved in continuous development in response to new market conditions. 

Sercos is the only Fieldbus to support technical working groups in both North America and Europe, providing the opportunity to influence the standards development based on local needs. In addition, Sercos III uses standard Ethernet physical layer technology, which is proven, widely available and provides cost-effective hardware implementation, and can help keep operational costs down (spare parts, repairs, maintenance) during machine lifecycles.

Sercos is developed and supported by a group of vendors who contribute technically and financially to its development and success. Some other Ethernet busses boast larger member organizations, but membership in them is free and is a requirement in order to obtain technical information.