Chapter 12 Description of Parameter SettingsMS300 (High Speed Model)
12-01-5
Fcmd>Fmin
Fstart>Fmin
NO
YES
YES
fstart=Fstart
NO
fstart=Fmin
Flow=0
Flow=0
YES
H=Fcmd
YES
H=Fcmd
NO
Fcmd>Flow
YES
Fcmd>Fmin
YES
H=Fcmd
NO
NO
Fcmd<Fmin
NO
H=Flow
YES
NO
Fcmd
Fmin
Fstart
Fcmd
Fmin
Fstart
Fcmd1>Flow &
Fcmd1>Fmin
Fmin
Flow
Fcmd2>Flow &
Fcmd2<Fmin
Flow>Fcmd1
>Fmin
Fmin
Flow
Fmin>Fcmd2
60Hz
60Hz
Hz
Time
Hz
Time
Time
Time
Hz
Hz
Fcmd1
Fcmd2
H=Flow
Fcmd1
Fcmd2
H=Fcmd1
by Pr.01-34
by
Pr.01-34
by
Pr.01-34
by Pr.01-34
by Pr.01-34
operation after
start-up
Output Frequency Upper Limit
Factory Setting: 1500.0
Settings 0.0~1500.0 Hz
Output Frequency Lower Limit
Factory Setting: 0.0
Settings 0.0~1500.0 Hz
The upper / lower limit output frequency setting is used to limit the actual output frequency. If the
frequency setting is higher than the upper limit (Pr. 01-10), it will run by the upper limit frequency.
If output frequency is lower than lower limit (Pr. 01-11) and frequency setting is higher than min.
frequency (Pr. 01-07), it will run by lower limit frequency. The upper limit frequency should be set
> lower limit frequency. (Pr. 01-10 setting value must be > Pr. 01-11 setting value).
Upper output frequency will limit the max. output frequency of drive. If frequency setting is higher
than Pr. 01-10, the output frequency will be limited by Pr. 01-10 setting.
When the drive starts the function of slip compensation (Pr. 07-27), drive output frequency may
exceed frequency command but still be limited by this setting.
Related parameters: Pr. 01-00 Max. Operation Frequency and Pr.01-11 Output Frequency Lower
Limit
Instant operation when start-up
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