Exu Cabinet Ground Connections; Internal Wiring; Grounding The Exu - ABB ACS6000 User Manual

6.3.4

EXU cabinet ground connections

It is important that the EXU is properly grounded to maintain safety and
to ensure smooth functioning of the equipment.
• Connect the ground to the ground system of the installation site
and to the ground busbar inside the EXU.
• Cross-section of the ground cable and the ground connection must
be in compliance with local regulations.
• Ground the outer cable screen at both ends of a cable.
• At the EXU, ground the cable screen via the conductive sleeve of the
entry plate.
(1) Transformer
(2) EXU
6.4

Internal wiring

This section applies to a drive that is delivered as multiple transport units.
Cables for internal wiring are delivered separately. The pre-assembled
cables are fitted with terminal identifications at each end.
All necessary data for each individual connection are specified on the
"Converter hardware diagram" and the Wiring list in "Appendix D –
Wiring diagrams".
The data provide information on:
• Cable identification
• Cable type
• Cross-sectional area
• Location of terminals
3BHS212794 E01 REV M
1
L3
L2
L1
4
Figure 6-4 Grounding the EXU
ACS6000 USER MANUAL
2
L3 L3
L2 L2
L1 L1
PE
(3) Motor
(4) Ground cable
06 ELECTRICAL INSTALLATION
3
L3
L2
L1
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