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Malfunction possible!
The same ground potential must be used for the E-Bus supply of all EtherCAT terminals in a terminal block!
5.11 M8 Connector Cabling
A list of the EtherCAT cable, power cable, sensor cable, Ethernet-/EtherCAT connectors and the field
assembled connectors can be found at the following link: https://www.beckhoff.com/en-us/products/i-o/
accessories/
You can find the corresponding data sheets at the following link: https://www.beckhoff.com/en-us/support/
download-finder/data-sheets/
EtherCAT cable
Fig. 53: ZK1090-3131-0xxx
For connecting EtherCAT devices only shielded Ethernet cables that meet the requirements of at least
category 5 (CAT5) according to EN 50173 or ISO/IEC 11801 should be used.
Recommendations about cabling
You may get detailed recommendations about cabling EtherCAT from the documentation
"Recommendations for the design of the infrastructure for EtherCAT/Ethernet", that is available for
download at www.Beckhoff.com.
EtherCAT uses 4 wires for signal transfer.
Due to automatic cable detection (auto-crossing) symmetric (1:1) or cross-over cables can be used between
EtherCAT devices from Beckhoff.
EK112x, EK15xx
NOTICE
Version: 3.6
Mounting and wiring
75
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