Danfoss VLT AutomationDrive FC 301 Programming Manual page 163

Parameter Descriptions
14-12 Function at Mains Imbalance
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 (for example,
a pump or a fan running near full speed).
Option:
[0] Trip
*
[1] Warning
[2] Disabled
Range: Function:
1.0 [0.0 - 5.0 Enter the multiplication factor for the
N/A N/A] frequency step and the voltage step. The
*
steps are calculated based on load.
14-14 Kin. Backup Time Out
Range: Function:
60 s [0 - This parameter defines the kinetic back-up
*
60 s] timeout in flux mode when running on low
voltage grids. If the supply voltage does not
exceed the value defined in
parameter 14-11 Mains Voltage at Mains Fault +5%
within the specified time, the frequency converter
then automatically runs a controlled ramp-down
profile before stop.
14-15 Kin. Backup Trip Recovery Level
Range:
Size [ 0 - 60000.000
related ReferenceFeed-
*
backUnit]
14-16 Kin. Backup Gain
Range: Function:
100 % [0 - 500 %] Enter the kinetic back-up gain value in
*
percent.
3.15.3 14-2* Trip Reset
Parameters for configuring auto reset handling, special trip
handling, and control card self-test or initialization.
MG33ML02
Programming Guide
Function:
Trips the frequency
converter.
Issues a warning.
No action.
Function:
This parameter specifies the
kinetic back-up trip recovery
level. The unit is defined in
parameter 0-02 Motor Speed
Unit.
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14-20 Reset Mode
Option: Function:
Select the reset function after tripping.
Once reset, the frequency converter
can be restarted.
NOTICE
The motor may start without
warning. If the specified number
of automatic resets is reached
within 10 minutes, the frequency
converter enters [0] Manual reset
mode. After the manual reset is
performed, the setting of
parameter 14-20 Reset Mode
returns to the original selection.
If the number of automatic
resets are not reached within 10
minutes, or when a manual reset
is performed, the internal
automatic reset counter returns
to 0.
NOTICE
Automatic reset is also valid for
resetting the Safe Torque Off
function in firmware version 4.3x
or earlier.
[0] Manual reset Select [0] Manual reset to perform a
*
reset via [Reset] or via the digital
inputs.
[1] Automatic reset x 1 Select [1]-[12] Automatic reset x 1...x20
to perform 1–20 automatic resets after
tripping.
[2] Automatic reset x 2
[3] Automatic reset x 3
[4] Automatic reset x 4
[5] Automatic reset x 5
[6] Automatic reset x 6
[7] Automatic reset x 7
[8] Automatic reset x 8
[9] Automatic reset x 9
[10] Automatic reset x
10
[11] Automatic reset x
15
[12] Automatic reset x
20
[13] Infinite auto reset Select this option for continuous
resetting after tripping.
[14] Reset at power-up
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