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EP9128-0021 | EtherCAT Box, 8-port junction, EtherCAT, 100 Mbit/s, 24 V DC, M8

EP9128-0021 | EtherCAT Box, 8-port junction, EtherCAT, 100 Mbit/s, 24 V DC, M8

EP9128-0021 | EtherCAT Box, 8-port junction, EtherCAT, 100 Mbit/s, 24 V DC, M8

Port 1: EtherCAT signal input
Port 2…8: EtherCAT signal output
Power supply status display:
Box supply (US)
Auxiliary voltage (UP)
Power supply feed
Power supply downstream
connection
1 | Tx+
2 | Rx+
3 | Rx-
4 | Tx-
1 | +24 V DC US
2 | +24 V DC UP
3 | GND
4 | GND
Top view 
Connector assignment 
EP9128-0021 | EtherCAT Box, 8-port junction, EtherCAT, 100 Mbit/s, 24 V DC, M8

EP9128-0021 | EtherCAT Box, 8-port junction, EtherCAT, 100 Mbit/s, 24 V DC, M8

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 IP20 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 IP67 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 IP67 protection, since connection to the IP20 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.

Product status:

regular delivery

Product information

Technical dataEP9128-0021
ProtocolEtherCAT
Bus interface8 x M8, shielded
Task within EtherCAT systemcoupling of EtherCAT junctions
Connection methodM8 socket, 4-pin
Data transfer mediumEthernet/EtherCAT cable (min. Cat.5), shielded
Distance between stationsmax. 100 m (100BASE-TX)
Delayapprox. 1 µs per port
Data transfer rates100 Mbit/s
Configurationnot required
Power supply24 V DC (-15%/+20%)
Current consumption 24 V DCapprox. 150 mA
Operating/storage temperature-25…+60°C/-40…+85°C
Vibration/shock resistanceconforms to EN 60068-2-6/EN 60068-2-27
EMC immunity/emissionconforms to EN 61000-6-2/EN 61000-6-4
Protect. rating/installation pos.IP65/66/67 (conforms to EN 60529)/variable
Approvals/markingsCE, UL
Housing data16 x M8, 8 x M12
Dimensions (W x H x D)60 mm x 126 mm x 26.5 mm
MaterialPA6 (polyamide)
Installation2 fixing holes 3.5 mm diameter for M3; 2 fixing holes 4.5 mm diameter for M4

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