7-34 Process PI Integral Time
Range: Function:
9999 s
*
[0.01 - 999.0 s] The integrator provides an increasing gain at a constant error
between the set point and the feedback signal. The integral time
is the time needed by the integrator to reach the same gain as
the proportional gain.
7-38 Process Feed Forward Factor
Range: Function:
0%
*
[0 - 400%] 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
Configuration
Mode
is set to
Process
[3].
7-39 On Reference Bandwidth
Range: Function:
5% [0 - 200% ] 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 param-
eter the On Reference is active.
VLT Micro Drive FC 51 4. Parameter Descriptions
MG.02.C2.02 - VLT
®
is a registered Danfoss trademark
51
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