7 EtherCAT communication
7.1 About EtherCAT
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Lenze · I/O system 1000 · Reference Manual · DMS 5.0 EN · 09/2016 · TD17
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7 EtherCAT communication
7.1 About EtherCAT
EtherCAT (Ethernet for Controller and Automation Technology) is an Ethernet-based fieldbus
system which fulfills the user profile for the part of industrial real time systems. Unlike the classic
Ethernet communication, the I/O data is exchanged in full duplex operation with 100 Mbps. This
delays the telegrams in the s range.
The EtherCAT protocol optimised for process data is directly transported in the Ethernet frame. This
can consist of several subframes which serve as a memory area each of the process image.
As each EtherCAT gateway is assigned a clear address (MAC address), the data-related sequence is
independent of the physical sequence of the EtherCAT gateways in the network.
Note!
Bus coupler module EPM-S130 (EtherCAT)
Only I/O compound modules EPM-Sxxx from hardware version 1B are supported.
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