Parameter List
11
11.10 n: SPECIAL
SIEPYEUOQ2A01A AC Drive Q2A Technical Manual 459
No.
(Hex.)
Name Description
Default
(Range)
Ref.
n4-68
(1B88)
SpEstim Filter Time
Constant
Sets the primary delay time constant for the speed estimation value. Usually it is not
necessary to change this setting.
1 ms
(1 - 10 ms)
791
n4-69
(1B89)
Flux Control Response
Unifies control of magnetic flux to make motor vibrations more stable.
1.00
(0.00 - 60.00)
791
n4-70
(1B8A)
Speed
Comp@LowFrequency
Sets the function to make the drive more stable when operating at low speeds. Usually it
is not necessary to change this setting.
0.60 Hz
(0.00 - 1.50 Hz)
791
n4-71
(1B8B)
Flux Detect Method
Chooses the method of estimating the magnetic flux.
1 : Method 1
2 : Method 2
1
(1, 2)
791
n4-72
(1B8C)
Spd Fbk Mode
Sets the requirement for an encoder option when A1-02 = 4 [Control Method = Adv
OLVector].
1 : Without PG
2 : With PG
1
(1, 2)
791
n4-73
(1B8D)
PGO Recover Selection
Sets the restart mode to Without Encoder Mode or the With Encoder Mode when an
encoder is disconnected.
1 : Without PG
2 : With PG
1
(1, 2)
792
n4-74
(1B8E)
Flux Control Limit
Sets the control level for flux loop control output.
160%
(100 - 500%)
792
◆ n5: FEED FORWARD CONTROL
No.
(Hex.)
Name Description
Default
(Range)
Ref.
n5-01
(05B0)
FF Control Selection
Sets the feed forward function.
0 : Disabled
1 : Enabled
0
(0, 1)
793
n5-02
(05B1)
Mot Inertia Acceleration
Time
Sets the length of time for the motor to accelerate from the stopped to the maximum
frequency with a single motor at the rated torque. Inertia Tuning automatically sets the
motor acceleration time.
Determined by C6-01,
E5-01, and o2-04
(0.001 - 10.000 s)
793
n5-03
(05B2)
FF Control Gain
Sets the ratio between load inertia and motor inertia. Inertia Tuning automatically sets
the Feedforward Control Gain value.
1.00
(0.00 - 100.00)
794
n5-04
(05B3)
RUN
Expert
Speed Response
Frequency
Sets the response frequency for the speed reference. Usually it is not necessary to
change this setting.
Determined by A1-02
(0.00 - 500.00 Hz)
795
◆ n6: ONLINE TUNING
No.
(Hex.)
Name Description
Default
(Range)
Ref.
n6-01
(0570)
Online Tune Selection
Sets the type of motor data that Online Tuning uses for OLV control.
0 : Disabled
1 : Line-to-Line Resistance Tuning
2 : VoltageAdjustment
0
(0 - 2)
795
n6-05
(05C7)
Expert
Online Tune Gain
Sets the compensation gain when n6-01 = 2 [Online Tune Selection =
VoltageAdjustment]. Usually it is not necessary to change this setting.
1.0
(0.1 - 50.0)
795
n6-11
(1B56)
Expert
Online Resist Tuning
Sets the responsiveness for online resistor tuning. Set this parameter to approximately
1.000 to enable the function. The function is disabled when the value is 0.000.
0.000
(0.000 - 1.000)
795
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