3-4
CDD3000-HF Operation Manual
3 Installation
3.2
Grounding lead
connection
Figure 3.1 Star configuration layout of the grounding lead
Step
Action
Note: PE mains connection
to VDE 0100 part 540
1
Ground every CDD3000-HF drive
controller! Connect terminal X1 /
(next to the power connection)
in star
configuration
to the PE-rail (main
ground) in the switch cabinet.
Mains connection < 10 mm²
:
Grounding lead cross-section min.
10 mm²
or
use 2 wires with cross-
section of mains leads.
Mains connection > 10 mm²:
Use grounding lead (PE) cross
section according to cross-section
of mains leads.
2
Also connect the grounding lead
connections of all other components,
such as the line choke, filter, heat sink,
etc., in
star configuration
, to the PE-rail
(main ground) in the switch cabinet.
Note the following points:
•
The grounding lead must be laid out in star configuration to conform
to the EMC standards.
•
The backing plate must be well grounded.
•
The motor cable, mains lead and control cable must be laid
separately from each other.
•
Avoid loops, and lay cable over short distances.
•
The operational leakage current is > 3.5 mA.
W1
V2
W2
U2
U1
V1
W1
V2
W2
U2
U1
V1
W1
V2
W2
U2
U1
V1
PE
