Danfoss FC 300 Design Manual page 186

FC 300 Design Guide
digital potentiometer function (INCREASE,
DECREASE or CLEAR).
If INCREASE / DECREASE is activated for longer
than the ramp delay period specified in par. 3-95,
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 Step Size.
3-92 Power Restore
Option:
*
Off
On
Function:
Select Off [0] to reset the Digital Potentiometer
reference to 0% after power up.
Select On [1] to restore the most recent Digital
Potentiometer reference at power up.
3-93 Maximum Limit
Range:
-200 - 200%
Function:
Set the maximum permissible value for the
resultant reference. This is advisable if the
digital potentiometer is used for fine tuning
of the resulting reference.
3-94 Minimum Limit
Range:
-200 - 200 %
Function:
Set the minimum permissible value for the
resultant reference. This is advisable if the
Digital Potentiometer is used for fine tuning
of the resulting reference.
3-95 Ramp Delay
Range:
0.000 - 3600.00 s
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 Ramp Time.
default setting ( ) display text
*
186
How to Program
[0]
[1]
*
100%
*
-100%
*
1.000s
[ ] value for use in communication via serial communication port
MG.33.B6.22 - VLT is a registered Danfoss trademark