CHAPTER 6 – ELECTRICAL INSTALLATION 92
6.6 Ground cable connection and
cable shield connections
The cabinet is equipped with a ground busbar (marked PE, Protective
Earth) for grounding the armor and shields of the cables, and for the
connection of the ground cable.
To identify the ground busbar, see the
applicable Mechanical drawings.
6-1 Grounding the drive
system and integrated
transformer
1
2
3
1
2
3
PE
PE
U
V
W
U2
V2
W2
U1
V1 W1
M
Input transformer
Drive
Motor
Earth electrode
Ground cable
Cable screen
Cable shield
Equipotential bonding conductor