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Electrical installation
Operation manual
ID 441896.05
WE KEEP THINGS MOVING
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4
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Electrical installation
There is always exactly one EtherCAT master (for example an industrial PC) and
any number of EtherCAT slaves (drive controllers, etc.) connected. All
subscribers are connected together in a line. The master is connected at the
beginning of the line. It is followed by the slaves in any order. The X201 OUT
socket on the last subscriber remains open.
Fig. 4-1 Layout of an EtherCAT network
4.1
IN and OUT sockets
Each EtherCAT slave (e.g., inverter) has an IN (X200) and an OUT (X201) RJ-45
socket. The incoming EtherCAT cable (coming from the direction of the master)
is plugged into the IN socket. The OUT socket is connected to the next station.
CAUTION!
Unexpected movements!
The connection order determines the address of devices in the EtherCAT
network. Connecting devices differently will cause the addressing to change,
resulting in faulty control.
Make certain based on parameter
A256
that the connection order of the
devices is unchanged, especially after working on the switch cabinet.
EtherCAT master
(e.g.,industrial PC)
The „OUT“ socket on the last station
is not connected. Protect this „OUT”
socket from dirt with a dust-protective
cover for RJ45.