Danfoss VLT AutomationDrive FC 300 Programming Manual page 85

3 Parameter descriptions
3
3-90 Step Size
Range:
0.10 %* [0.01 - 200.00 %]
3-91 Ramp Time
Range:
1.00 s* [0.00 - 3600.00 s]
3-92 Power Restore
Option:
[0] * Off
[1] On
3-93 Maximum Limit
Range:
100 %* [-200 - 200 %]
3-94 Minimum Limit
Range:
-100 %* [-200 - 200 %]
3-95 Ramp Delay
Range:
Application [Application dependant]
dependent*
84
Function:
Enter the increment size required for INCREASE/DECREASE, as a percentage of the synchronous
motor speed, n . If INCREASE/ DECREASE is activated the resulting reference will be increased /
s
decreased by the amount set in this parameter.
Function:
Enter the ramp time, i.e. the time for adjustment of the reference from 0% to 100% of the specified
digital potentiometer function (Increase, Decrease or Clear).
If Increase/ Decrease is activated for longer than the ramp delay period specified in par. 3-95
Delay
the actual reference will be ramped up / down according to this ramp time. The ramp time is
defined as the time used to adjust the reference by the step size specified in par. 3-90
Function:
Resets the Digital Potentiometer reference to 0% after power up.
Restores the most recent Digital Potentiometer reference at power up.
Function:
Set the maximum permissible value for the resultant reference. This is advisable if the Digital Po-
tentiometer is used for fine tuning of the resulting reference.
Function:
Set the minimum permissible value for the resultant reference. This is advisable if the Digital Po-
tentiometer is used for fine tuning of the resulting reference.
Function:
Enter the delay required from activation of the digital potentiometer function until the frequency
converter starts to ramp the reference. With a delay of 0 ms, the reference starts to ramp as soon
as INCREASE/ DECREASE is activated. See also par. 3-91
®
MG.33.M8.02 - VLT is a registered Danfoss trademark
FC 300 Programming Guide
Ramp
Step Size
Ramp Time .
.