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9.12.13
Suppression of speeds
Suppression of up to three speed ranges.
Under certain circumstances, it is possible to prevent disturbing noises that can arise at certain
speeds due to resonances.
Example for suppression of 2 ranges (Idealized principle diagram)
A
D
P
50 %
50 %
R
0 %
I
S
100 %
I
35 % max
15 % min
09.05.2007
v_ausblendung_prz.vsd
100 %
1
2
A
Modulation
S
Setpoint
R
Pband
D
Speed controller: setting signal
P
P-controller: control deviation
Setting depending on device type in: %, Hz,
rpm
Suppression1
→
Factory setting no suppression active =
“
OFF
”
→
Suppression1
Range1 min.
→
Setting for
“
Range1 min.
”
Setting range:
“
Shutdown Freq.
”
-
“
Range 1 max.
”
→
Range1 min.
Range1 max.
→
Setting for
“
Range1 max.
”
Setting range:
“
Range 1 max.
”
-
“
Max. Frequency
”
→
Range1 max.
Suppression2
→
Identical procedures for Suppression2 and Sup-
pression3, as far as desired
→
etc.
Operating Instructions
Icontrol
–
model series FXDM
Programming
L-BAL-E036-GB 1422 Index 008
Part.-No. 00154773-GB
72/96