Title :
Improving EtherCAT master-slave synchronization precision using PTCP embedded in EtherCAT frames: A proof-of-concept
Author :
Ganz, David ; Leschke, Serafin ; Dermot Doran, Hans
Author_Institution :
Inst. of Embedded Syst., Zurich Univ. of Appl. Sci., Winterthur, Switzerland
Abstract :
Designed for efficient real time traffic at low cycle times, EtherCAT is known to display several inefficiencies which include high quality master-slave synchronization. In this paper we examine a prototype circuit that allows us to achieve high quality time synchronization between master and slave device using PTCP embedded in EtherCAT frames. This circuit is backward compatible to existing EtherCAT networks. We provide measurement data and make proposals for future work.
Keywords :
field buses; local area networks; protocols; synchronisation; telecommunication traffic; EtherCAT frames; EtherCAT master-slave synchronization precision improvement; PTCP; high quality time synchronization; low cycle times; master device; real time Ethernet protocols; real time traffic; slave device; Clocks; Delays; Jitter; Master-slave; Real-time systems; Synchronization; EtherCAT; IEEE 1588; Industrial Ethernet; POWERLINK; PROFINET; Precision Time Protocol; Real Time Ethernet;
Conference_Titel :
Factory Communication Systems (WFCS), 2015 IEEE World Conference on
Conference_Location :
Palma de Mallorca
DOI :
10.1109/WFCS.2015.7160552
