Installation
5.1 Input connections
SITOP expansion modules
Equipment Manual, 09.2022, A5E36605235-2-76
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5.1.1.2 SITOP PSE202U
Inputs "IN 24 V-1" and "IN 24 V-2" of the redundancy module must be connected with outputs
"+" of the power supplies and input "GND" of the redundancy module with outputs "-" of the
power supplies.
It is not permissible to operate the device without the GND cable being connected. It is not
permissible that cables IN 24V-1 or IN 24V-2 and cable GND are interchanged.
Figure 5-2 Input 6EP1961-3BA21
Figure 5-3 Input 6EP1962-2BA00 and 6EP1964-2BA00