Setting Parameters
01/02 AWB8230-1413GB
144
Parameters U001 to U012, PNU b037 = 02
In parameter group U, you can save any twelve parameters
(a section “User-defined parameters – parameter group U”,
page 150). When you set PNU b037 to 02, only these and
PNU b037 are shown.
Pulse frequency
High pulse frequencies result in less motor noise and lower power
losses in the motor but a higher dissipation in the power amplifiers
and more noise in the mains and motor cables. You should
therefore set the pulse frequency as low as possible.
During DC braking, the pulse frequency is automatically reduced
to 1 kHz.
At higher clock frequencies, the frequency inverter’s temperature
also rises. At high clock frequencies, the output current I
2N
must
therefore be reduced depending on the ambient temperature. This
is called “derating” (a fig. 151 and fig. 152).
C021 and C022 02, 06 C042, C043 Frequency reached signal
03
C040, C041 Overcurrent signal
07
C055 to C058 Overload
21
C063 0 Hz signal
24, 25
C045, C046 Frequency reached signal
26
C111 Overload signal 2
PNU Value
PNUs which are hidden when PNU b037 is
set to 01
Function
PNU Name Adjustable in RUN mode Value Function WE
Normal Extended
b037 Display mode – j 00 All parameters are shown. 00
01 Only relevant parameters are shown.
02 Only PNU b037 and the parameters entered in PNU U001 to
U012 are shown.
efesotomasyon.com - Klockner Moeller - inverter
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