Information on the power supply
• The power supply is connected via two 2-pin plug-in terminal blocks that ship with the device.
• The power supply can be connected redundantly.
– Both inputs are isolated.
– No load distribution.
– The power supply unit with the higher output voltage supplies the device alone.
• Power: 24 VDC
• Cable cross-section: max. 2.5 mm
2
• The power supply is connected over a high resistance with the enclosure to allow an
ungrounded set up.
• The power supply is non-floating.
• The signal cables of the electrical Ethernet interfaces are floating.
Position and assignment
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0
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0
Figure 5-1
Position of the power supply and assignment of the terminal blocks
Contact
Assignment
L+
24 VDC
M
Ground
Connecting up
5.3 Power supply
SCALANCE X-200
Operating Instructions, 11/2021, C79000-G8976-C284-15
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