3.14.3 20-9* PI Controller
20-91 PI Anti Windup
Option: Function:
Select Off [0] to continue regulation of an error even
when the output frequency cannot be increased or
decreased. Select On [1] to cease regulation of an error
when the output frequency can no longer be adjusted.
[0]
Off
[1]
*
On
20-93 PI Proportional Gain
Range:
Function:
0.01
*
[0.0 - 10.0 ] Enter the process controller proportional
gain. Quick control is obtained at high
amplification. However if amplification is too
great, the process may become unstable.
20-94 PI Integral Time
Range:
Function:
9999.0 s
*
[0.1 - 9999.0
s]
Enter the process controller integral time.
Obtain quick control through a short
integral time, though if the integral time
is too short, the process becomes
unstable. An excessively long integral
time disables the integral action.
20-97 PI Feed Forward Factor
Range:
Function:
0.0 %
*
[0.0 - 400.0 %]
Parameters
VLT HVAC Basic Drive Programming Guide
68
MG.18.B1.02 - VLT
®
is a registered Danfoss trademark
3
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