Siemens SCALANCE XR-500 Operating Instructions Manual page 69

Operation only with safety extra-low voltage
The device is designed for operation with a directly connectable safety extra-low voltage
(SELV). (This does not apply to 100 to 240 VAC / 110 to 250 VDC devices).
• Do not operate the device with an AC voltage higher than 30 V AC or a DC voltage higher
Note
The device can be disconnected from the power supply by removing the terminal block.
Position and assignment
The connection is located on the front of the device.
Figure 6-1
Contact
L1+
M1
M2
L2+
SCALANCE XR-500
Operating Instructions, 07/2023, C79000-G8976-C692-01
WARNING
than 31.2 V DC.
Position of the power supply using a 24 V AC/DC device version with 12 SFP/SFP+ slots
6.3 24 V AC/DC power supply
Assignment
24 V DC / 24 V AC
Ground
Ground
24 V DC / 24 V AC
Connecting up
69