Chapter 12 Description of Parameter SettingsMS300 (High Speed Model)
12-01-6
Pr01-07
Voltage
Frequency
Min output.
frequency
(Fmin)
Pr01-01
Mo tor rated
frequency
(F bas e)
Pr01-00
Max. operation
frequ ency
Pr01-04
Mid point voltage 1-
Pr01-02
Motor rated voltage
(Vbase)
Min o utput voltage.
setting (Vmin)
Pr01-08
Pr01-05
Mid point-
frequency 2
Pr01-06
Mid point voltage 2-
Pr01-03
Mid point-
frequency 1
Pr01-11
Lower limit of output frequency
Pr01-10
Upper limit of output frequency
Lower output frequency will limit the min. output frequency of drive. When drive frequency
command is lower than this setting, drive output frequency will be limited by the lower limit of
frequency.
When the drive starts, it will operate from min. output frequency (Pr. 01-07) accelerate to the
setting frequency. It will not be limited by lower output frequency setting.
The setting of output frequency upper / lower limit is used to prevent operator misuse, overheat
caused by too low operation frequency or damage caused by excessive speed.
If the output frequency upper limit setting is 50 Hz and frequency setting is 60 Hz, max. output
frequency will be 50 Hz.
If the output frequency lower limit setting is 10 Hz and min. operation frequency setting (Pr. 01-07)
is 1.5 Hz, it will operate by 10 Hz when the frequency command is greater than Pr. 01-07 and less
than 10 Hz. If the frequency command is less than Pr. 01-07, the drive will be in ready status with
no output.
If the frequency output upper limit is 60 Hz and frequency setting is also 60 Hz, only frequency
command will be limited in 60 Hz. Actual frequency output may exceed 60 Hz if the drive starts
the function of slip compensation.
Accel. Time 1
Decel. Time 1
Accel. Time 2
Decel. Time 2
Accel. Time 3
Decel. Time 3
Accel. Time 4
Decel. Time 4
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