2 | Rx+
3 | Rx-
4 | Tx-
2 | +24 V DC UP
3 | GND
4 | GND
EP9128-0021 | EtherCAT junction, 8-port, M8, IP 67
Line, tree or star: EtherCAT supports virtually any topologies, which can also be directly branched in the field using the EtherCAT Box modules. If several junctions are required at one point in the star topology, an EtherCAT junction can be used to branch the topology further.
Analogous to the infrastructure components with IP 20 protection, the EP9128-0021 eight-way EtherCAT junction offers the possibility to construct the branches of the topology with the smallest possible number of components in the IP 67 world as well. The EtherCAT network is connected to the input port of the EP9128-0021 and can be extended at ports 2 to 8. EtherCAT topologies can be arranged even more flexibly with the multiple junctions with IP 67 protection, since connection to the IP 20 world is also possible via the ports. The EtherCAT junctions are connected via shielded M8 sockets with direct display of link and activity status. Suitable accessories (cables and connectors) are available.
In conjunction with TwinCAT or other suitable EtherCAT masters the EP9128-0021 also supports coupling and uncoupling of EtherCAT strands during operation (Hot Connect). The device cannot be used as a standard Ethernet switch.
|Bus interface||8 x M8, shielded, screw type|
|Task within EtherCAT system||coupling of EtherCAT junctions|
|Connection method||M8, screw type, 4-pin|
|Data transfer medium||Ethernet/EtherCAT cable (min. Cat. 5), shielded|
|Distance between stations||max. 100 m (100BASE-TX)|
|Delay||approx. 1 µs per port|
|Data transfer rates||100 Mbit/s|
|Power supply||24 V DC (-15 %/+20 %)|
|Current consumption 24 V DC||approx. 150 mA|
|Operating/storage temperature||-25…+60 °C/-40…+85 °C|
|Vibration/shock resistance||conforms to EN 60068-2-6/EN 60068-2-27|
|EMC immunity/emission||conforms to EN 61000-6-2/EN 61000-6-4|
|Protect. class/installation pos.||IP 65/66/67 (conforms to EN 60529)/variable|
|Housing data||16 x M8, 8 x M12|
|Dimensions (W x H x D)||60 mm x 126 mm x 26.5 mm|
|Installation||2 fixing holes 3.5 mm diameter for M3; 2 fixing holes 4.5 mm diameter for M4|
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