FC 300 Design Guide
How to Program
digital potentiometer function (INCREASE,
DECREASE or CLEAR).
If INCREAS E / DECREASE is activated for longer
than the ramp delay period specified in par. 3-95,
the actual referen ce will be ramped up / down
accordingtothisramptime. Theramptimeis
defined as the time used to adjust the reference by
thestepsizespecifiedinpar. 3-90Step Size.
3-92 Power Restore
Option:
*
Off [0]
On [1]
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 %
*
100%
Function:
Set the maximum permissible value for the
resultant refe rence. This is advis able if the
digital potentiometer is use d for fine tuning
of the resulting reference.
3-94 Minimu m Limit
Range:
-200 - 200 %
*
-100%
Function:
Set the minimum permissible value for the
resultant refe rence. This is advis able if the
Digital Potentiometer is used for fine tuning
of the resulting reference.
3-95 Ramp Delay
Range:
0.000 - 3600.00 s
*
1.000s
Function:
Enter the delay required from activation of the
digital potentiom eter function until the frequency
converter starts to ramp the reference. With
a delay of 0 ms, t he reference starts to ramp
as soon as INCREASE / DECREASE is activated.
See also par. 3-91 Ramp Time.
*
default setting ()display text []value for use in communication via serial communication port
186
MG.33.B
6.22 - V LT is a registered Danfoss trademark
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