Electrical installation 85
Connecting the motor cables (units with du/dt and
common motor terminal)
If the drive is equipped with du/dt and common motor terminal, the motor cables connect
to a common motor terminal.
Connection diagram
Common guideline for connecting the motor cables
WARNING! Obey the instructions in chapter Safety instructions. If you
ignore them, injury or death, or damage to the equipment can occur.
1. Do the steps in section Precautions before electrical work before you start the work.
2. Open the door of the common motor terminal or sine filter cubicle and remove the
shrouding.
3. Lead the cables into the cubicle. Make the 360° earthing arrangement at the cable
entry as shown.
4. Cut the cables to suitable length. Strip the cables and conductors.
5. Twist the cable screens into bundles and connect the bundles to the PE busbar in the
cubicle.
U2
V2
W2
PE
The recommended cable types are given in chapter Guidelines for planning the electrical installation.
M
3~
U1
W1
V1
PE
Module cubicle(s) du/dt and common motor
terminal
Grommet (IP54 units only)
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