publication . Article . 2013

Application of Ethernet Powerlink for communication in a Linux RTAI open CNC control system

Erwiński, Krystian; Paprocki, Marcin; Grzesiak, Lech; Karwowski, Kazimierz; Wawrzak, Andrzej;
Open Access Polish
  • Published: 20 Mar 2013
  • Country: Poland
In computerized numerical control (CNC) systems, the communication bus between the controller and axis servo drives must offer high bandwidth, noise immunity, and time determinism. More and more CNC systems use real-time Ethernet protocols such as Ethernet Powerlink (EPL). Many modern controllers are closed costly hardware-based solutions. In this paper, the implementation of EPL communication bus in a PC-based CNC system is presented. The CNC system includes a PC, a software CNC controller running under Linux Real-Time Application Interface real-time operating system and servo drives communicating via EPL. The EPL stack was implemented as a real-time kernel mod...
free text keywords: Computerized numerical control (CNC), enhanced machine controller, Ethernet Powerlink (EPL), real-time application interface (RTAI) Linux
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