ACE-tronics G9 ASD Installation and Operation Manual 133
Figure 30. UP/DOWN Frequency Operation Control Timing Diagram.
Jump Frequency 1
Program Special Jump Frequencies
In conjunction with parameter F271, this parameter establishes a user-defined
frequency range: the Jump Frequency and a plus-or-minus value.
During acceleration, the output frequency of the ASD will hold at the lower
level of the Jump Frequency range until the programmed acceleration ramp
reaches the upper level of the Jump Frequency range. At which time the
output frequency of the ASD will accelerate to the upper level of the Jump
Frequency range and continue upward as programmed.
During deceleration, the output frequency of the ASD will hold at the upper
level of the Jump Frequency range until the programmed deceleration ramp
reaches the lower level of the Jump Frequency range. At which time the
output frequency of the ASD will decelerate to the lower level of the Jump
Frequency range and continue downward as programmed.
Once set up and enabled, it is on in all control modes.
User-selected frequencies may be jumped to avoid the negative effects of
mechanical resonance.
Direct Access Number — F270
Parameter Type — Numerical
Factory Default — 0.00
Changeable During Run — Yes
Minimum — 0.00
Maximum — Max. Freq. (F011)
Units — Hz
F270 F270
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