3-6
CDD3000-HF Operation Manual
3 Installation
3.3.1 Motor phase
connection
Note: The CDD3000-HF drive controller drives are protected
against shorting and ground faults at the terminals when in
operation. In the event of a short-circuit or ground fault in the
motor cable, the power stage is disabled and an error
message is delivered.
Attention: Do not confuse the motor and unit ends of the motor
phases U, V and W!If the motor phases are incorrectly
connected, the CDD3000-HF drive controller will lose control
over the motor and the motor may buck or accelerate
uncontrollably (“run away”). The entire system may be
damaged as a result! There may consequently also be
danger to human life.
Caution - Danger to life: Do not touch the motor terminals! There
may also be dangerously high voltages present
at motor terminals U, V and W in the “power
stage off” condition!
Figure 3.2 Connection of motor phases
X1
U
V
W
M
3~
ϑ
1
V
2
U
W
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