Lenze 931K - Manual (Page 13)

Installation
Electrical installation
Network topology
5
l
13 KHB 13.0005−EN 1.0
5.1.2 Network topology
EtherCAT supports line and switch topologies.
Line topology
M
SD SD SD
E94AYCET006
Fig. 5−1 Line topology
M Master
SD Slave Device
ƒ The devices are interconnected successively.
ƒ For correct operation it is necessary that the Ethernet sockets IN and OUT are
assigned correctly.
ƒ The direction of data transmission is from the master to the slaves.
I
Tip!
The termination of the last node is effected automatically by the slave.
Switch topology
M S
SD SD
E94AYCET006
Fig. 5−2 Switch topology
M Master
S Switch
SD Slave Device
The wiring can also be carried out in a star structure via an appropriate switch. For this,
observe the additional runtimes.