Commissioning
820XBA1097
5-13
5.4.1.2 Optimisation of V/ f-characteristic control
Codes required
Code
Name
Possible settings
IMPORTANT
Lenze Selection
Info
C015 V/f-rated
frequency
50.0
30.0
{0.1Hz}
960.0
C016 V
min
setting
*
0
{1 %}
40
* type dependent
C021 Slip
compensation
0
0
{1 %}
12
Setting sequence
1. If necessary, select V/f
characteristic (C014).
2. Select V/f-rated
frequency (C015).
-
The V/f-rated frequency determines the slope of the V/f characteristic and has
considerable influence on the current, torque and power performance of the motor.
-
An internal mains voltage compensation compensates deviations in the mains
during operation. They therefore do not have to be considered for the setting of
C015.
Adjustment
Calculate the frequency to be set under C015
C015[Hz]
230V
V
rated motor
[V]
ô
rated motor frequency [Hz]
C014 = -2-
Linear characteristic
C014 = -3-
Square-law characteristic (e. g. for
pumps, fans)
K35.0065
1 0 0 %
0
0
1
f d
f d N
V m i n
0
0
1
f d
f d N
V m i n
V o u t
1 0 0 %
V o u t
All manuals and user guides at all-guides.com
