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Fuji Electric Frenic Mega Series - Page 403

Fuji Electric Frenic Mega Series
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5.4 Details of Function Codes
5-222
Adjustment method of the response waveforms are as follows.
1) When controlling the overshoot
Increase the data of J04 for integral time and decrease that of J05 differential time.
Fig. 5.4-102
2) Quick stabilizing (moderate overshoot allowable)
Decrease the data of J03 for Gain and increase that of J05 in Differential time.
Fig. 5.4-103
3) Suppressing oscillation whose period is longer than the integral time specified by J04
Increase the data of J04 (Integral time).
Fig. 5.4-104
4) Suppressing oscillation whose period is approximately the same as the time specified by J05
Decrease the data of J05 (Differential time).
Decrease the data of J03 (Gain), if the oscillation cannot be suppressed even though the differential time
is set at 0 sec.
Fig. 5.4-105

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