MN1957 Operation 5-21
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5.7.2 Underdamped response
If the graph shows that the response is underdamped (it overshoots the demand, as shown
in Figure 35) then the value for KDERIV should be increased to add extra damping to the
move. If the overshoot is excessive or oscillation has occurred, it may be necessary to
reduce the value of KPROP.
Figure 35: Underdamped response
9. Click in the KDERIV and/or KPROP boxes
and make the required changes. The ideal
response is shown in section 5.7.4.
Measured position
Demand position
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