
Configuration
8200SHB01997-22
7.5.6 V/f characteristic
7.5.6.1 V/f-rated frequency f
dr
Code Name
Possible settings
IMPORTANT
Lenze Choice Info
C015
V/f-rated frequency
820X 50.00 30.00 {0.05 Hz} 960.00
821X/822X/
824X
50.00 7.50 {0.02 Hz} 960.00
Function when
C014 = -0-, -1-, -2-, -3-
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.
Adjustment Calculate the frequency to be set under C015
820X:
C015 [Hz]
230 V
V
rmotor
[V]
ô rated motor frequency [Hz]
821X/822X/824X:
C015 [Hz]
400 V
V
rmotor
[V]
ô rated motor frequency [Hz]
C014 = -2-
Linear characteristic
C014 = -3-
Square characteristic
(e.g. for pumps, fans)
out
r m o to r
V
V
1
V
min
0
0
1
C 015
f
d r m otor
out
r m o to r
V
V
V
min
0
0
1
C 015
f
d r m otor
K 35.0066G B
Important An internal m ains vo ltage com pens ationcom pensates deviationin the m ainsdur ing op eration .
T h eref o r e, th eyd onoth av e tob e co n s id er ed fo rth e s etti n go f C015.
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