5-2
2. Coast: The AC drive will stop the output instantly, and the motor will coast to stop.
Hz
Freq.
Motor
Speed
Stops according
to deceleration
time
Time
Hz
Freq.
Motor
Speed
Free running
to stop
Time
Operation
command
ON
ON
OFF
OFF
Ramp
Coast
Note: The motor stop method is usually determined by the application or system
requirements.
Pr.03
Maximum Output Frequency Factory Setting: 60.00
Settings 50.00 to 400.0 Hz Unit: 0.1Hz
This parameter determines the AC drive’s Maximum Output Frequency. All the AC drive
analog inputs (0 to +10V, 4 to 20mA) are scaled to correspond to the output frequency
range.
Pr.04
Maximum Voltage Frequency (Base Frequency) Factory Setting: 60.00
Settings 10.00 to 400.0Hz Unit: 0.1Hz
This parameter should be set according to the rated frequency as indicated in the motor
nameplate. Pr.04 and Pr.03 determine the volts per hertz ratio.
For example: if the drive is rated for 460 VAC output and the Maximum Voltage Frequency is
set to 60Hz, the drive will maintain a constant ratio of 7.66 v/Hz. Setting of Pr.04 must be
equal to or greater than setting of Mid-Point Frequency (Pr.06).
Pr.05
Maximum Output Voltage (Vmax)
Settings
230V series 0.1 to 255.0V Factory Setting: 220.0
460V series 0.1 to 510.0V Factory Setting: 440.0
B550 Series sensorless vector frequency drive
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