11.11 n: SPECIAL
378 SIEPCYEUOQ2V01A Q2V Technical Manual
No.
(Hex.)
Name Description
Default
(Range)
Ref.
n8-39
(0566)
HFI LPF Cutoff Frq
Sets the low-pass filter shut-off frequency for high frequency injection.
Note:
• Set n8-35 = 2 [InitRotorPos Selection = HiFreq Injection] or n8-57 = 1 [High-
Freq Injection = Enabled] to enable this parameter.
• The drive automatically calculates this value when High Frequency Injection
Auto-Tuning completes successfully.
250 Hz
(0 - 1000 Hz)
686
n8-41
(0568)
Expert
HFI PoleDet Pgain
Sets the response gain for the high frequency injection speed estimation.
2.5
(-10.0 - +10.0)
686
n8-42
(0569)
Expert
HFI PoleDet iTime
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)
687
n8-45
(0538)
SpdFbck Det.Gain
Sets the internal speed feedback detection reduction unit gain as a magnification value.
Usually it is not necessary to change this setting.
0.80
(0.00 - 10.00)
687
n8-47
(053A)
Pull-In Comp.Time
Constant
Sets the time constant the drive uses to align the pull-in current reference value with the
actual current value. Usually it is not necessary to change this setting.
5.0 s
(0.0 - 100.0 s)
687
n8-48
(053B)
RUN
Pull-In Current (for PM
Motors)
On the basis that parameter E5-03 [PM Mot Rated Current (FLA)] is the 100% value,
this parameter sets the d-axis current that flows to the motor during run at constant
speed as a percentage.
30%
(0 - 200%)
687
n8-49
(053C)
RUN
Expert
Heavy Load Id Current
Sets the d-axis current to that the drive will supply to the motor to run it at a constant
speed with a heavy load. Considers E5-03 [PM Mot Rated Current (FLA)] to be 100%.
Usually it is not necessary to change this setting.
Determined by E5-01
(-200.0 - +200.0%)
688
n8-50
(053D)
Expert
Medium Load Iq Level
(High)
Sets the load current level at which heavy load control starts where E5-03 [PM Mot
Rated Current (FLA)] is 100%. Usually it is not necessary to change this setting.
80%
(50 - 255)
688
n8-51
(053E)
Ac/Dec Pull-In Current
Sets the pull-in current allowed to flow during acceleration/deceleration as a percentage
of the motor rated current.
Note:
Parameter A1-02 [Control Method Selection] selects which parameter is the motor
rated current.
• A1-02 = 5 [PM OLVector]: E5-03 [PM Mot Rated Current (FLA)]
• A1-02 = 8 [EZ Vector]: E9-06 [Motor Rated Current]
Determined by A1-02
(0 - 200%)
688
n8-54
(056D)
Expert
Volt-Err Compensation
Time
Sets the time constant that the drive uses when adjusting for voltage errors.
1.00 s
(0.00 - 10.00 s)
688
n8-55
(056E)
Load Inertia
Sets the ratio between motor inertia and machine inertia.
1 : <1:10
2 : 1:10-1:30
3 : 1:30-1:50
4 : >1:50
1
(1 - 4)
688
n8-57
(0574)
High-Freq Injection
Sets the function that detects motor speed with high frequency injection.
Note:
When you set n8-57 = 1, doHigh Frequency Injection Auto-Tuning.
0 : Disabled
1 : Enabled
0
(0, 1)
689
n8-62
(057D)
Expert
Output Volt Limit Level
Sets the output voltage limit to prevent saturation of the output voltage. Usually it is not
necessary to change this parameter.
200 V Class: 200.0 V,
400 V: 400.0 V
(200 V Class: 0.0 to
230.0 V, 400 V Class:
0.0 to 460.0 V)
689
n8-63
(057E)
Expert
Output Voltage Limit P
Gain
Sets the proportional gain for output voltage control. Usually it is not necessary to
change this setting.
1.00
(0.00 - 100.00)
690
n8-65
(065C)
Expert
SpdFbk Gain@OV
Suppression
Sets the gain of internal speed feedback detection suppression while the overvoltage
suppression function is operating as a magnification value. Usually it is not necessary to
change this parameter.
1.50
(0.00 - 10.00)
690
n8-69
(065D)
Expert
Spd Obs. P Gain Control
Usually it is not necessary to change this setting. Sets the Proportional gain that the
drive uses for speed estimation.
1.00
(0.00 - 20.00)
690
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