Sercos International
Sercos via Ethernet TSN
Sercos International will be presenting the transmission of the Sercos III real-time protocol via IEEE 802.1 TSN (Time Sensitive Networks) for the first time at SPS IPC Drives 2016.
The Sercos TSN demonstrator was realized by the Institute for Control Engineering of Machine Tools and Manufacturing Units (ISW) at the University of Stuttgart with the support of several industrial partners. It uses a TSN-based Sercos III soft master with a soft CNC from Industriellen Steuerungstechnik GmbH (ISG), which communicates with Sercos III servo drives from Bosch Rexroth via TSN switches from Hirschmann. In parallel, video streams from a webcam are transmitted to a remote display via the same TSN network infrastructure. "The sercos TSN demonstrator provides practical proof that sercos III devices can be integrated unchanged into a TSN network and communicate with each other via TSN. Neither functionality nor real-time characteristics are restricted," says Peter Zahn, project manager for the Sercos TSN demonstrator at ISW.
Dr Oliver Kleineberg, responsible for Advance Development at Hirschmann Automation & Control, adds: "The implementation of TSN in products requires a solid technical platform for time synchronization. We expect the first results from our TSN development work in 2017. This short time horizon and our optimism are based on the already very high stability of the TSN prototypes." Peter Lutz, Managing Director of Sercos International, adds: "Sercos technology benefits from TSN in several ways. On the one hand, standard Ethernet components with integrated real-time capability can be used and thus flexible network topologies can be realized. Secondly, Ethernet TSN also makes higher transmission bandwidths available."
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