Operating & Mounting instructions – 8 074 143.03/03 – Page 18
Base settings
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A003 Base frequency VIC 30...400 Hz 50 Hz
Adjustment of the base frequency. The base frequency is the frequency at which the output voltage
reaches its maximum value. Normally, the base frequency is equal to the nominal motor frequency.
A004 Maximum frequency VIC 30...400 Hz 50 Hz
Adjustment of maximum frequency. Between base frequency and maximum frequency the output
voltage is constant (field suppression).
F002 1st Acceleration ramp VC 0,01...3600 s 30 s
Setting of required acceleration time. The time is in reference with the range from 0 Hz to maximum
frequency (parameter A004).
F003 1st Deceleration ramp VC 0,01...3600 s 30 s
Setting of required deceleration time. The time is in reference with the range from 0 Hz to maximum
frequency (parameter A004).
F001 Output frequency VC 0,00...400,0 Hz -
Setting the reference value in MANUAL operation via the buttons at the keypad instead of the
potentiometer. Therefore, parameter A001 must be set to position 02.
A020 Internal pre-set speed if A001=02 VC 0,00...400,0 Hz 0,00 Hz
Entry of frequency reference value, if function A001 is set to position 02. Allows the entry of a
minimum frequency to which the inverter runs up without selecting a digital input “CF1...CF4” as
soon as a Start-command is issued.
If the PID controller is active, the adjusting range changes into 0 to 100 %.
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General