Siemens EK 730 Series Operations Instructions Page 26

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Connection
5.2 Power supply
SCALANCE W770/W730
26 Operating Instructions, 11/2014, C79000-G8976-C325-04
SCALANCE W774 M12 EEC
For the power supply, there are two options with the SCALANCE W774 M12 EEC:
Direct feed in via the four-pin M12 socket (position
)
Power over Ethernet via the M12 Ethernet interface P2 (position
). The other Ethernet
interface P1 is not capable of PoE.
The four-pin M12 socket has the following pin assignment:
Pin
Signal
Assignment
1 L1+ 24 VDC
2
L2+
24 VDC
3
M
Ground
4
M
Ground
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