1-61 High Speed Load Compensation
Range:
Function:
100 %*
[0 - 300 %]
Enter the % value to compensate voltage in relation to load when the motor is running at high speed
and obtain the optimum U/f characteristic. The motor size determines the frequency range within
which this parameter is active.
Motor size
Change-over
0.25 kW - 7.5 kW
> 10 Hz
11 kW - 45 kW
< 5 Hz
55 kW - 550 kW
< 3-4 Hz
1-62 Slip Compensation
Range:
Function:
0 %*
[-500 - 500 %]
Enter the % value for slip compensation, to compensate for tolerances in the value of n
M,N
. Slip
compensation is calculated automatically, i.e. on the basis of the rated motor speed n
M,N
.
1-63 Slip Compensation Time Constant
Range:
Function:
Application
dependent*
[0.05 - 5.00 s]
Enter the slip compensation reaction speed. A high value results in slow reaction, and a low value
results in quick reaction. If low-frequency resonance problems arise, use a longer time setting.
1-64 Resonance Dampening
Range:
Function:
100 %*
[0 - 500 %]
Enter the resonance dampening value. Set par. 1-64
Resonance Dampening
and par. 1-65
Reso-
nance Dampening Time Constant
to help eliminate high-frequency resonance problems. To reduce
resonance oscillation, increase the value of par. 1-64
Resonance Dampening
.
1-65 Resonance Dampening Time Constant
Range:
Function:
5 ms*
[5 - 50 ms]
Set par. 1-64
Resonance Dampening
and par. 1-65
Resonance Dampening Time Constant
to help
eliminate high-frequency resonance problems. Enter the time constant that provides the best damp-
ening.
2.3.6 1-7* Start Adjustments
Parameters for setting special motor start features.
1-71 Start Delay
Range:
Function:
0.0 s*
[0.0 - 300.0 s]
The function selected in par. 1-80
Function at Stop
is active in the delay period.
Enter the time delay required before commencing acceleration.
2 Parameter Description
VLT
p
Automation VT Drive FC322
Programming Guide
48
MG.20.W1.22 - VLT
p
is a registered Danfoss trademark
2
Remote Site Products - 1-888-532-2706 - www.remotesiteproducts.com
http://www.remotesiteproducts.com/p-20772-Danfoss-131X8135-VLT-Automation-VT-Drive-VFD-FC322-230V-5-HP.aspx