Connection
5.2 Power supply
SCALANCE W774-1 /W734-1
40 Operating Instructions, 07/2020, C79000-G8976-C325-14
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 ①)
– Round cable cross-section with 6 to 8 mm diameter.
– Two-wire cable with 0.5 to 1.5 mm2 cross-section per wire.
– Permitted tensile load at least 100 N. - UL
– Listing of the cables according to the national installation regulations. In areas
where NEC or CEC applies: Type PTLC or ITC
• Power over Ethernet via the M12 Ethernet interface P2 (position ②). The other
Ethernet interface P1 is not capable of PoE.
The four-pin M12 socket has the following pin assignment:
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