Danfoss VLT AQUA Drive FC 202 Programming Manual page 137

Parameter Description
DC Voltage
Output Speed rpm
Over Voltage Control Level
Par 14-11
Mains
Illustration 3.52 Kinetic Back-up, Short Mains Failure
Illustration 3.52 shows riding through as long as the energy
in the system allows it.
DC voltage
Output speed RPM
Overvoltage control level
Par 14-11
Mains
Illustration 3.53 Kinetic Back-up, Longer Mains Failure
Illustration 3.53 shows the motor coasting when the energy
in the system is too low.
14-11 Mains Fault Voltage Level
Range: Function:
Size [180 - This parameter defines the threshold
related 600 V] voltage at which the selected function in
*
parameter 14-10 Mains Failure should be
activated. The detection level is at a
2
factor of the value in
parameter 14-11 Mains Fault Voltage Level.
14-12 Response to Mains Imbalance
Option: Function:
Operation under severe mains 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 fan running near full speed).
When a severe mains imbalance is detected,
select 1 of the available functions.
[0] Trip Trips the frequency converter.
[1] Warning Issues a warning.
[2] Disabled No action.
[3] Derate Derates the frequency converter.
*
14-16 Kin. Back-up Gain
Range: Function:
100 % [0 - 500 %] Enter the kinetic back-up gain value in
*
percent.
3.13.3 14-2* Trip Reset
Parameters for configuring auto reset handling, special trip
handling, and control card self-test or initialization.
MG20OB02
Programming Guide
14-20 Reset Mode
Option:
Time
Time
[0]
*
[1]
[2]
[3]
[4]
[5]
[6]
[7]
[8]
[9]
[10] Automatic reset x
[11] Automatic reset x
[12] Automatic reset x
[13] Infinite auto reset
[14] Reset at power-up
14-21 Automatic Restart Time
Range:
10 s
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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 in
parameter 14-20 Reset Mode
reverts to the original selection.
If the number of automatic
resets is not reached within 10
minutes, or when a manual reset
is performed, the internal
automatic reset counter returns
to 0.
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
10
15
20
Select the reset function after
tripping. Once reset, the frequency
converter can be restarted.
Select [0] Manual reset to perform a
reset via [Reset] or via the digital
inputs.
Select [1]-[12] Automatic reset x 1...x20
to perform 1–20 automatic resets
after tripping.
Select [13] Infinite Automatic Reset for
continuous resetting after tripping.
Function:
[0 - 600 Enter the time interval from trip to start of the
*
s] automatic reset function. This parameter is
active when parameter 14-20 Reset Mode is set
to [1]–[13] Automatic reset.
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