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6-18 Operation MN1928
6.6.2 Underdamped response
If the graph shows that the response is underdamped (it overshoots the demand, as shown in
Figure 29) 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.
Measured position
Demand position
Figure 29 - Underdamped respons e
9. Click in t he KDERIV and/or KPROP boxes
and make the required changes. The ideal
response is shown in section 6.6.4.