Siemens SINAMICS G120C Operating Instructions Manual page 88

Installing
4.10 Connecting the interfaces for the converter control
→ If you use the internal 10-V supply, you must connect AI 0- to GND.
Further wiring options of digital inputs for FSAA ... FSC
Connection of contacts switching to P potential
Connection of contacts switching to N potential
86
with an external power source
with an external power source
If you wish to connect the external and the
internal converter power supply voltages
with one another, then you must connect
"GND" with terminals 34 and 69 at the ter‐
minals.
Connect terminals 69 and 34 at the termi‐
nals.
Operating Instructions, 02/2023, FW V4.7 SP14, A5E34263257B AK
SINAMICS G120C Converters