Siemens SCALANCE M874 - Power Supply Connection

Connecting up
3.3 Power supply
SCALANCE M874, M876
34 Operating Instructions, 06/2015, C79000-G8976-C331-05
3.3
Power supply
The power supply is connected using a 5-pin terminal block. The power supply is non-
floating.
PIN
Signal
Description
1
L1+
24 VDC
2
M1
Ground
3
M2
Ground
4
L2+
24 VDC
5
Functional ground, refer to the section Grounding (Page 36)"