2.10 n: Special Adjustment
418 YASKAWA TOEPYAIGA5002A GA500 DRIVE PROGRAMMING
Inputs the pulse signal to the motor to detect the rotor position.
■ n8-36: HFI Frequency Level for L Tuning
No.
(Hex.)
Name Description
Default
(Range)
n8-36
(0563)
HFI Frequency Level for L
Tuning
Sets the injection frequency for high frequency injection.
500 Hz
(200 - 1000 Hz)
Note:
• Set n8-35 = 1 [Initial Pole Detection Method = High Frequency Injection] or n8-57 = 1 [HFI Overlap Selection = Enabled] to enable this
parameter.
• The drive automatically calculates this value when High Frequency Injection Auto-Tuning completes successfully.
■ n8-37: HFI Voltage Amplitude Level
No.
(Hex.)
Name Description
Default
(Range)
n8-37
(0564)
Expert
HFI Voltage Amplitude
Level
Sets the high frequency injection amplitude as a percentage where 200 V = 100% for 200 V class
drives and 400 V = 100% for a 400 V class drives. Usually it is not necessary to change this setting.
20.0%
(0.0 - 50.0%)
Note:
• Set n8-35 = 1 [Initial Pole Detection Method = High Frequency Injection] or n8-57 = 1 [HFI Overlap Selection = Enabled] to enable this
parameter.
• The drive automatically calculates this value when High Frequency Injection Auto-Tuning completes successfully.
■ n8-39: HFI LPF Cutoff Freq
No.
(Hex.)
Name Description
Default
(Range)
n8-39
(0566)
HFI LPF Cutoff Freq
Sets the low-pass filter shut-off frequency for high frequency injection.
250 Hz
(0 - 1000 Hz)
Note:
• Set n8-35 = 1 [Initial Pole Detection Method = High Frequency Injection] or n8-57 = 1 [HFI Overlap Selection = Enabled] to enable this
parameter.
• The drive automatically calculates this value when High Frequency Injection Auto-Tuning completes successfully.
■ n8-41: HFI P Gain
No.
(Hex.)
Name Description
Default
(Range)
n8-41
(0568)
Expert
HFI P Gain
Sets the response gain for the high frequency injection speed estimation.
2.5
(-10.0 - +10.0)
Note:
• Set n8-35 = 1 [Initial Pole Detection Method = High Frequency Injection] or n8-57 = 1 [HFI Overlap Selection = Enabled] to enable this
parameter.
• When A1-02= 6 [Control Method Selection = AOLV/PM] and you do High Frequency Injection Auto-Tuning, the drive automatically sets
this parameter .
• Set n8-41 > 0.0 for IPM motors.
Set this parameter as follows.
• If there is oscillation or hunting, decrease the setting in units of 0.5.
• When it is necessary to track load changes, increase the setting in units of 0.5.
■ n8-42: HFI I Time
No.
(Hex.)
Name Description
Default
(Range)
n8-42
(0569)
Expert
HFI I Time
Sets the integral time constant for the high frequency injection speed estimation. Usually it is not
necessary to change this setting.
0.10 s
(0.00 - 9.99 s)
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