slave devices (to DSPEtherCAT
motion controller master) read the data addressed to them while the frame
passes through the device. Similarly, input data is inserted while the
telegram passes through. The frames are only delayed by a few nanoseconds.
Since an EtherCAT frame comprises the data of many devices, both in the
send and receive directions, the usable data rate increases to over 90%.
The full-duplex features of 100BaseTX are fully utilized, so that effective
data rates of > 100 Mbit/s (>90% of 2 x 100 Mbits/s) can be achieved.
DSPEtherCAT protocol is optimized for process data (the data is
transported directly within the Ethernet frame)
Line, tree or
star: EtherCAT supports almost any topology .
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