Lenze 8210 series - Manual (Page 46)

Commissioning
5-10 UONu_^MPMQ
L
5.4.2.2 Optimisation of V/f-characteristic control
Codes required
Code Name Possible settings IMPORTANT
Lenze Selection Info
C015 V/f-rated
frequency
50.0 7.5 {0.1Hz} 960.0
30.0 {0.1Hz} 960.0
(Software 2x)
(Software 1x)
C016 V
min
setting 0 0 {1 %} 40
C021 Slip
compensation
0 0 {1 %} 20
0 {1 %} 12
(Software 2x)
(Software 1x)
Setting sequence
1.If necessary, select V/f
characteristic (C014).
2.Select V/f-rated
frequency (C015).
D 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.
D 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
`MNR xeòz =
QMMs
s
к~нЙЗ гзнзк
xsz ⋅
o~нЙЗ гзнзк СкЙимЙеЕу xeòz
C014 = -2-
Linear characteristic
C014 = -3-
Square-law characteristic (e. g. for
pumps, fans)
hPRKMMSSd_
o u t
r a t e d m o t o r V
V
1
V m i n
0
0 1
C 0 1 5
f d r a t e d m o t o r
o u t
r a t e d m o t o r V
V
V m i n
0
0 1
C 0 1 5
f d r a t e d m o t o r
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