Free Sercos SoftMaster now available in a ready-to-run package

The Sercos SoftMaster is a software-based Sercos® Industrial Ethernet master that is implemented on standard industrial-PC hardware (X86 or ARM) with a variety of operating systems supported.

The Sercos SoftMaster is a software-based Sercos® Industrial Ethernet master that is implemented on standard industrial-PC hardware (X86 or ARM) with a variety of operating systems supported. Dedicated hardware is not required, providing cost savings in many applications.

Bosch Rexroth has made the Sercos SoftMaster available as free open source software on SourceForge.net. They also offer a free Sercos-on-a-Stick livesystem--a complete stand-alone demo Sercos driver package on a USB thumb drive. This includes the SoftMaster based on INtime® Distributed RTOS from TenAsys Corporation (http://www.tenasys.com), and a test application. This is the Sercans XS package, available on request from Sercos@BoschRexroth.de.
The featured solution is scalable:
 A standard Ethernet controller with a suitable real-time operating system is sufficient for all entry-level solutions with bus cycle times of >= 500µs, a line topology, and microsecond-range synchronicity between the system components. It is estimated that this applies to at least 50% of potential applications.
 For medium to high synchronicity requirements in the range of <100ns jitter and bus cycle times >=125µs (which covers virtually all applications), the use of a TTS-capable Ethernet controller (such as the Intel I210) together with a suitable real-time operating system offers an excellent solution. If two of these Ethernet controllers are synchronized, the support of ring architecture with seamless redundancy is also possible.
The familiar Sercos HardMaster solutions are still available for all applications with higher bus cycle time requirements, or for which the hardware and operating system platform requirements cannot be met.
Using the generic mode, virtually every Ethernet controller is suitable for use with the Sercos SoftMaster. However, the telegram jitter reduces the synchronization accuracy. For higher synchronicity and cycle time requirements, the NIC/TTS mode (as with Intel I210) is available. Here, the Ethernet controller (NIC) precisely determines the telegram transmission using its own timer. Software-based timing disturbances (jitter) are eliminated as programs must only ensure that telegram content is fed to the Etherrnet controller within the time window provided.
The open source SoftMaster is available under an MIT license (https://opensource.org/licenses/MIT), in which the license conditions do not require users to disclose their expertise.
Interested companies can book integration training via Sercos International (p.lutz@sercos.de) or Bosch Rexroth (Sercos@BoschRexroth.de).
Contact Bosch Rexroth (Sercos@BoschRexroth.de) for the Sercans XS package (Sercos®-on-a-Stick livesystem) free of charge.
For more information, please visit our website.

About Sercos International

Sercos International is an association of users and manufacturers that is in charge of technical development, standardization, certification and marketing for the Sercos automation bus. Conformance tests guarantee that Sercos implementations are standard-compliant ensuring that devices from different manufacturers can be combined. Based in Germany, the organization presently has more than 90 member companies located around the world and has national liaison offices in North America and Asia.

About Sercos
The SErial Realtime COmmunication System, or Sercos, is one of the world's leading digital interfaces for communication between controls, drives and decentralized peripheral devices. Sercos has been used in machine engineering for approximately 25 years and is implemented in over 5 million real-time nodes. With its open, manufacturer-independent Ethernet-based architecture, Sercos III is a universal bus for all automation solutions.

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