External power supply
Connect the external power supply to the sensors and connect the reference potentials of
the inputs used to the reference potential of the external power supply.
Figure 3-7
Safety Integrated Function Manual, SINAMICS G120 and G120C
Function Manual, 01/2011, FW 4.4, A5E03052391B AB
Connecting electromechanical sensors to an external power supply in series
Interfaces
3.2 Activation via F-DI
83