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For EtherCAT every slave has an IN and an OUT Port and the master has a Main and a redundancy port.
The cabeling should be done as follows:
The master´s Main port is connected to the first slave´s IN port and the OUT port of the first slave is connected to the IN port of the second slave and so on.
For this document a network with two slaves was chosen:
Slave
Title 3 provides an entry in the table of contents as x.1 + n.1 + m
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