VLT® 5000 Crane
If
Disable
is selected,
no
alarm is given if a motor phase
is missing. The motor can be damaged/overheated if it
runs on only two phases. It is therefore recommended
to keep the missing motor phase function ENABLED.
235 PHASE LOSS MONITOR
Value:
Disable (DISABLE)
[0]
✭
Enable (ENABLE)
[1]
Function:
In this parameter it is possible to select monitoring
of the input phases.
Description of choice:
If
Enable
is selected, the converter will react on a
missing input phase which results in alarm 4.
If
Disable
is selected,
no
alarm is given if a motor
phase is missing. The converter may be damaged
when running with a missing input phase. It is
therefore recommended to keep the phase loss
monitor function ENABLED.
236 Low speed reference current
(LOW SPEED CURRENT)
Value:
0 - 160%
✭
50%
Function:
The control mode at low speed in open loop
speed control is a rotation of a current vector with
fixed amplitude. With this parameter, the value
of this fixed current vector is set.
Description of choice:
The reference is set in percentage of the nominal
current of the motor.
✭
= factory setting. () = display text [] = value for use in communication via serial communication port
MG.50.N4.02 - VLT is a registered Danfoss trademark
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