Chapter 4 Parameters
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Revision May 2008, ME14, SW V3.04
4-21
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
Unit: 0.1Hz
Settings 50.00 to 400.0 Hz
Factory Setting: 60.00
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)
Unit: 0.1Hz
Settings 10.00 to 400.0Hz
Factory Setting: 60.00
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 115V/230V series
0.1 to 255.0V
Factory Setting: 220.0
460V series
0.1 to 510.0V
Factory Setting: 440.0
575V series
0.1 to 637.0V
Factory Setting: 575.0
This parameter determines the Maximum Output Voltage of the AC drive. The Maximum
Output Voltage setting must be smaller than or equal to the rated voltage of the motor as
indicated on the motor nameplate.
Setting of Pr.05 must be equal to or greater than setting
of Mid-Point Voltage (Pr.07).
Summary of Contents for VFD-M Series
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Page 21: ...Chapter 2 Installation and Wiring 2 4 Revision May 2008 ME14 SW V3 04 Good Not allowed ...
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