32
Installation OCTOPUS 8TX-EEC
Release
07
01/2021
2.3 Connecting the power supply and the signal
contact lines
Requirements:
The power supply cable is suitable for the voltage, the current and the
physical load. Hirschmann recommends a conductor cross section of
0.5 mm² to 0.75 mm² (AWG20 up to AWG18).
The permitted cable diameter for connector ELWIKA 5012 PG7 is
0.15 in (4 mm) to 0.23 in (6 mm). To ensure the watertightness of the
OCTOPUS 8TX-EEC device, only use voltage supply cables with a
diameter within the specified range.
Make sure that the disconnecting device is easily accessible for
disconnecting the device from the mains voltage.
Note: The supply voltage can be connected redundantly. Both plus
connections are uncoupled. There is no distributed load. With redundant
supply, the power supply unit with the higher output voltage supplies the
device on its own. The supply voltage is electrically isolated from the housing.
PoE devices have no PoE buffering.
Perform the following work steps:
Mount the connector for the supply voltage.
2.3.1 Connecting the signal contact (optional)
This applies to the following device variants only:
OCTOPUS 8TX-EEC-M
Perform the following work steps:
Connect the wires for the supply voltage and the signal contact according
to the pin assignment with a suitable socket.
2.3.2 Pin assignment OCTOPUS 8TX-EEC
M12 5-pin (“A”-
coded)
Pin Function
1 Power supply (1): + 12/24/36 V DC (1)
2 Not used
30V
4 Power supply (2): + 12/24/36 V DC (2)
5 Not used
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