Pr.51 Max. Carrier Frequency
Carrier frequency for the PWM output waveform
Unit: 0.1k Hz
Default: 11.0k Hz
Range: 2.0 ~ 15.0kHz
This parameter determines the maximum carrier frequency of the AC drive.
From the table, the PWM carrier frequency has a significant influence on the electromagnetic noise,
heat dissipation of the AC drive, and the acoustic noise to the motor.
Pr.67 Door Zone Functionality
Unit: 1
Default: 0
Range: 0 ~ 1
0: Disable Door Zone Functionality
1: Enable Door Zone Functionality
Pr.99 Motor Over Load Current
Unit: 0.1 A
Default: 2.5 A
Range: 0 ~ 6 A
The setting is proportional to the rated current of motor.
Pr.110 User Group Read Selection
Unit: 1
Default: 0
Range: 0 ~ 9999
When the setting value is 1, user can view and select parameters Pr.0~46, 51, 67, 99, 110 and
112~115. If the setting value is set to any other value (not 1), user can view and select parameters
Pr.0~9, 20~29, 51 and 110 only.
Pr.112 Number of Retries
Unit: 1
Default: 6
Range: 0 ~ 9
After a fault occurs, the AC drive can be reset/restarted automatically up to 10 times. Setting this
parameter to 0 will disable the reset/restart operation after any fault has occurred.
G.A.L. Manufacturing Corporation December, 2007
Carrier Frequency Acoustic Noise
Electromagnetic Noise,
Leakage Current
Heat Dissipation
2KHz
15KHz
Significant
Minimal
Minimal
Significant
Minimal
Significant
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