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22.
PARAMETERS
Pr.91
-
Pr.133
Resonance can occur at certain
speeds
in some appliitions when a motor is driven by an in-
verter. To avoid this resonance upto three jump positions can
be set,
by defining the upper and
lower frequency limits in Pr.91 to Pr.96.
The
l A ,
2A or 3A setting value becomes the jumping point, the inverter will run at that frequency
while in the frequency jump range.
?
w
&mp
(M
m.almxe
E @ *
E.4
3A
Notes)
1: Frequency jump will not function
ii 9999 (defalut value) is set.
2: During acceleration and deceleration, the frequency in the sening range will be passed
through.
JPr.(2BI F J
p q
(Pr. 1 311
I R . 1 331
o ~ . t n
to
Pr.4.
-90-
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