Mounting and cabling
EP31xx36 Version: 2.4
3.3 Supply voltages
The EtherCAT Box is supplied with two supply voltages. The supply voltages are electrically isolated in the
EtherCAT Box.
• Control voltage U
S
• Peripheral voltage U
P
Redirection of the supply voltages
The IN and OUT power connections are bridged in the module (not IP204x-Bxxx and IE204x). The supply
voltages U
S
and U
P
can thus easily be transferred from EtherCATBox to EtherCATBox.
NOTE
Pay attention to the maximum permissible current!
Pay attention also for the redirection of the supply voltages U
S
and U
P
, the maximum permissible current for
M8 connectors of 4A must not be exceeded!
3.3.1 Connectors
NOTE
Risk of confusion: supply voltages and EtherCAT
Defect possible through incorrect insertion.
• Observe the color coding of the connectors:
black: Supply voltages
green: EtherCAT
Fig.14: Connectors for supply voltages
Plug
Feed-in
Socket
Forwarding
Fig.15: M8 connector
Contact Function Description Core color
1)
1 U
S
Control voltage Brown
2 U
P
Peripheral voltage White
3 GND
S
GND to U
S
Blue
4 GND
P
GND to U
P
Black
1)
The core colors apply to cables of the type: Beckhoff ZK2020-xxxx-xxxx
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