ZIEHL-ABEGG ECblue - Suppression of Speeds

0 .. 100 %
3
4
1
2
09.05.2007
v_hochlaufzeit_ruecklaufzeit.vsd
1 external Signal
2 Setting
3 Rampup time
4 Rampdown time
8.7.2 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 Brake control
S Setpoint
R Pband
D Speed controller: setting signal
P P-controller: control deviation
Setting depending on device type
in: %, Hz, rpm
Suppression active = “ON”
Setting for “Range1 min.”
Setting range: “0” - “Range 1 max.”
Setting for “Range1 max.”
Setting range: “Range 1 max.” - “Rated speed”
Identical procedures for Suppression2 and Suppression3, as far as desired
Assembly instructions ECblue Programming by hand held terminal A-G-247NW
L-BAL-F055D-GB 2021/51 Index 006 Part.-No.
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