V01.00 | 2019/10
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7.2 Connecting the supply voltage
For the connection to the power supply, the device has two 4-pin M8 connectors. V1 and V2 are
galvanically isolated.
NOTICE
Interchanging of Ethernet- and power cables
Destruction of module electronic
Observe using the correct M8-connectors when connecting Ethernet- and
power cables:
- Ethernet: P1 and P2,
supply voltage: X1and X2
Fig.22: M8 Ethernet plug connectors for connecting the fieldbus
Connect the device to the voltage supply according to the pin assignment below.
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.23: Pin layout of the Ethernet connections
Meaning
X1 Power feed
X2 Continuation of the power to the next node
V1 Power supply 1 (incl. supply of electronics)
V2 Power supply 2
NOTE
The system voltage (V1) and the load voltage (V2) are supplied and monitored sep-
arately. In case of an undercut of the admissible voltage, the connectors are
switched-off according to the module's supply concept. In case of an undervoltage
at V2, the LED PWR changes from green to red. In case of an undervoltage at V1, the
LED is turned off.
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