14-12 Response to 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:
Function:
[0]
*
Trip
Trips the frequency
converter.
[1]
Warning
Issues a warning.
[2]
Disabled
No action.
[3]
Derate
14-14 Kin. Back-up Time-out
Range:
Function:
60 s
*
[0 -
60 s]
This parameter defines the kinetic back-up
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 Fault Voltage Level
+5%
within the specified time, the frequency converter
then automatically runs a controlled ramp-down
profile before stop.
14-15 Kin. Back-up Trip Recovery Level
Range:
Function:
Size
related
*
[ 0 - 60000.000
ReferenceFeed-
backUnit]
This parameter specifies the
kinetic back-up trip recovery
level. The unit is defined in
parameter 0-02 Motor Speed
Unit
.
14-16 Kin. Back-up Gain
Range:
Function:
100 %
*
[0 - 500 %] Enter the kinetic back-up gain value in
percent.
3.14.2 14-2* Trip Reset
Parameters for configuring auto reset handling, special trip
handling, and control card self-test or initialization.
14-20 Reset Mode
Option:
Function:
Select the reset function after tripping.
Once reset, the frequency converter
can be restarted.
14-20 Reset Mode
Option:
Function:
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
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
14-21 Automatic Restart Time
Range:
Function:
Size
related
*
[0 -
3600 s]
Enter the time interval from trip to start
of the automatic reset function. This
parameter is active when
Parameter Descriptions
VLT
®
AutomationDrive FC 301/302
194
Danfoss A/S © 10/2018 All rights reserved.
MG33MP02
3
3
Summary of Contents for VLT AutomationDrive FC 302
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