Connection
6.5 Ethernet
SCALANCE W778-1 /W738-1
46
Operating Instructions, 07/2020, C79000-G8976-C450-06
6.5
Ethernet
For connection to Industrial Ethernet at 10/100 Mbps, the the SCALANCE W7x8 devices
have the following two M12 interfaces: D-coded, 4-pin.
Position and pin assignment
①
M12 interface P1
②
M12 interface P2
The power can also be supplied via this interface (Power over Ethernet).
The four-pin connecting socket has the following pin assignment:
Pin
Assignment
1
TX
2
RX
3
TX
4
RX
Connecting Ethernet ports
1.
Connect the plug and socket. Make sure that they lock in place correctly.
2.
Tighten the knurled screw (torque 1 Nm).