Line System - Siemens SINAMICS G115D Operating Instructions Manual

Wiring
4.2 Permissible line supplies
4.2.3 IT line system
In an IT system, all of the conductors are insulated with respect to the PE protective
conductor – or connected to the PE protective conductor through an impedance.
There are IT systems with and without transfer of the neutral conductor N.
Converter operated on an IT system
Converter
Frame size
Integrated line filter C2
✓
1)
✓
2)
If the functional grounding screw or cable has been removed, the converter no longer fulfills the
requirements of class C2.
If you wish to use the converter in an IT line system, you must disconnect the capacitor with
earth by removing the functional grounding connections from the converter.
50
Operation permissible once the functional grounding screw(s) has been removed
Operation permissible once the functional grounding screws and cable have been removed
Line supply with grounded neutral
A
✓
1)
Operating Instructions, 12/2020, FW V4.7 SP13, A5E48681219B-002
B C
✓ ✓
1) 2)
SINAMICS G115D distributed drive