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
Modulation
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
8.8
Diagnostics menu
The diagnostics menu supplies information about the momentary operating condition of the device.
Diagnostic
IGBT temp.
Display of the internal temperature of the power semiconductor.
Inside Temp.
Display of electronics internal temperature.
Assembly instructions
ECblue
Programming by hand held terminal A-G-247NW
L-BAL-F055D-GB 1634 Index 002
Part.-No.
38/51