Connecting
5.3 100 to 240 VAC power supply
SCALANCE XR-500
Operating Instructions, 05/2017, A5E03275845-11
61
The IEC plug with switch S1 Power (position ①) and the socket X1 (position ②) for the
input voltage are located on the rear of the device. The second IEC plug for the redundant
version is shown in gray in the figure.
Figure 5-3 Position of the IEC connector on a SCALANCE XR524-8C SCALANCE XR526-8C is
analogous.
Grounding simply via the housing is inadequate.
In this case, connect the functional ground to ensure reliable operation.
The grounding bolt is located on the rear panel of the device.
Power supply using the PS598-1 power supply unit
5.3.2.1
Connectors of the PS598-1 power supply unit
Switches for the input voltage
The socket X1 (position ①) and the switch S1 Power (position ③) for the input voltage are
located on the right-hand side of the front panel of the housing:
Figure 5-4 Position of the socket X1 and the switch S1 Power on the PS598-1 power supply unit
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