Danfoss VLT AQUA Programming Manual page 145

®
VLT AQUA Drive Programming Guide
[1]
2.13.3. Mains On/Off, 14-1*
Parameters for configuring mains failure monitoring and handling.
14-12 Function at Mains Imbalance
Option:
*
[0]
[1]
[2]
[3]
2.13.4. Trip Reset, 14-2*
Parameters for configuring auto reset handling, special trip handling and control card self test or
initialisation.
14-20 Reset Mode
Option:
[0]
[1]
[2]
[3]
[4]
[5]
[6]
[7]
[8]
[9]
[10]
[11]
[12]
On Select
from a clear ring tone into a less discernable 'white' noise. This
is achieved by slightly and randomly altering the synchronism
of the pulse width modulated output phases.
Select
noise.
Function:
Trip
Warning
Disabled
Derate When a severe mains imbalance is detected:
Select
Select
Select
Select
Operation under severe main imbalance conditions reduces the
lifetime of the motor. Conditions are considered severe if the
motor is operated continuously near nominal load (e.g. a pump
or fan running near full speed).
Function:
Manual reset
Automatic reset x 1
Automatic reset x 2
Automatic reset x 3
Automatic reset x 4
Automatic reset x 5
Automatic reset x 6
Automatic reset x 7
Automatic reset x 8
Automatic reset x 9
*
Automatic reset x 10
Automatic reset x 15
Automatic reset x 20
®
MG.20.O2.02 - VLT is a registered Danfoss trademark
On
[1] to transform the acoustic motor switching noise
Off [0] for no change to the acoustic motor switching
Trip
[0] to trip the frequency converter;
Warning
[1] to issue a warning;
Disabled
[2] for no action or
Derate [3] for derating the frequency converter.
2. Parameter Description
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