Individual Functions
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113
PID Fine Adjustment Methods
This section explains the fine adjustment of PID after setting the PID control constants.
Suppressing Overshoot
If overshoot occurs, reduce derivative time (D), and increase integral time (I).
Set a Rapidly Stabilizing Control Condition
To rapidly stabilize the control even if overshoot occurs, reduce integral time (I), and lengthen derivative time
(D).
Suppressing Long-cycle Vibration
If vibration occurs with a longer cycle than the integral time (I) set value, the integral operation is too strong.
Lengthen the integral time (I) to suppress the vibration.
Response
Before adjustment
After adjustment
Time
Response
Before adjustment
After adjustment
Time
Response
Before adjustment
After adjustment
Time
TOE-S616-60.1.book 113 ページ ２０１７年８月４日 金曜日 午後３時４１分
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