BECKHOFF EP1908 User Manual
Page 17
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Operation
EP1908-0002
15
4.1.5.2
EtherCAT connection
The EtherCAT Box (EPxxxx) has two M8 connectors marked
green
for the incoming and outgoing
EtherCAT connection.
Assignment
There are various different standards for the assignment and colors of connectors and cables for
EtherCAT.
EtherCAT
Connector
Cable
Standard
Signal
Description
M8
ZB9010, ZB9020,
ZK1090-6292
ZB903x,
ZK1090-31xx
TIA-568B
Tx +
Transmit Data+
Pin 1
yellow
1
orange/white
2
white/orange
Tx -
Transmit Data-
Pin 4
orange
1
orange
2
orange
Rx +
Transmit Data-
Pin 2
white
1
blue/white
2
white/green
Rx -
Receive Data-
Pin 3
blue
1
blue
2
green
Screen
Shield
Housing
Screen
Screen
Screen
1
) Wire colors according to EN 61918
2
) Wire colors
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