Danfoss VLT Micro Drive FC 51 Series Programming Manual page 44

VLT Micro Drive FC 51
7-38 Process Feed Forward Factor
Range:
*
0% [0 - 400%]
7-39 On Reference Bandwidth
Range:
5% [0 - 200% ]
Function:
The FF factor sends a part of the reference signal around the PI controller which then only affects part of the
control signal.
By activating the FF factor less overshoot and high dynamics are gained when changing the setpoint.
This parameter is always active when par. 1-00
Function:
Enter the value for the On Reference Bandwidth.
The PI control error is the difference between setpoint and feedback and when this is less than the value set in
this parameter the On Reference is active.
MG.02.C4.02 - VLT is a registered Danfoss trademark
4. Parameter Descriptions
Configuration Mode Process
is set to [3].
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