If the product is not connected to an AS-i network then a 24V power supply still needs to be
connected to the AS-i + / AS-i - pins. This can be the same power supply as connected to
the AUX 24V / 0V pins as shown in the block diagram below.
SINAMICS G110D block diagram
Getting Started, 07/2016, FW V3.63, A5E38556288B AA
3.2 Cables and connections