Siemens SCALANCE XR524-8C Operating Instructions Manual page 53

NOTICE
Reliable grounding
Reliable grounding of the devices mounted in the rack must be guaranteed. This applies, in
particular, to power supply cables that are not connected directly to the power supply
circuit. With the PS598-1 power supply unit, the IEC power connector (IEC 60320-1)
provides the connection to protective earth.
Pin assignment of the X2 socket on the front
Figure 5-5
Contact
L
M
M
L
SCALANCE XR-500
Operating Instructions, 05/2014, A5E03275845-05
Position of the socket X2 on the PS598-1 power supply unit
5.3 100 to 240 VAC power supply
Assignment
+24 VDC
Ground
Ground
+24 VDC
Connecting
53