Connection
Connecting the power supply
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6.3 Connecting the power supply
The device is provided with two 4-pin M8 plug connectors for connecting the power supply. V1
and V2 are electrically isolated from each other.
NOTICE
Reversing the Ethernet and power supply cables
This may destroy the module electronics
When connecting the Ethernet and supply cables make sure that the correct M8
plug connectors are used:
- Ethernet: P1 and P2
power supply: X1 and X2
Fig.16: M8 plug connectors for connecting the power supply
Connect the device to the power supply according to the pin assignment below.
Provide unused male connectors with suitable sealing or blanking caps. The tightening
torque for the M4 screws is 0.5 Nm.
1 BN = V1 (+)
2 WH = V2 (+)
3 BU = GND V1
4 BK = GND V2
w v
X1 X2
2 4
1 3
4 2
3 1
Fig.17: Pin assignment of the power supply connections
Connection Meaning
X1 Incoming voltage supply
X2 Routing the voltage to the next node
V1 Supply voltage 1 (incl. electronics supply)
V2 Power supply 2
NOTE
The system voltage (V1) and the load voltage (V2) are supplied and monitored sep-
arately. If the voltage goes below the permissible lower limit, the sockets are discon-
nected according to the supply concept of the module type. If V2 goes below the
permissible minimum voltage, PWR LED changes from green to red. If V1 goes below
the permissible minimum, the LED goes out.
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