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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...
Integrated ecological and economic solutions are increasingly sought after by communities to provide basic energy needs such as home heating, transport, and electricity, while reducing drivers of and vulnerability to climate change. Small rural communities may require a coordinated approach to overcome the limitations of economies of scale. Low-carbon development strategies present potential for large...
Summation frame communication technologies, as represented by protocols like EtherCAT and Interbus-S, have proven useful for relatively simple applications but are easily stretched to limits by more complex applications especially those requiring quality time-synchronization and/or uncomplicated use of non-real time communication. This paper examines an extension of Ethernet based summation-frame...
Real Time Ethernet systems, when viewed from the OSI layer 2, offer attractive characteristics for developers of generic embedded systems requiring real time communications. An important feature of mission critical systems is media redundancy to ensure connectivity under difficult conditions. Since MRPD, the PROFINET IRT redundancy protocol is not considered useful in non-PROFINET environments we...
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