11.12 n: Special Adjustment
434 YASKAWA SIEPC71061753C GA500 Technical Manual
No.
(Hex.)
Name Description
Default
(Range)
Ref.
n8-88
(02BD)
Vout Limit Switching
Level
Sets the current level at which output voltage limit sequence selection occurs as a
percentage where the motor rated current is 100%. Normally there is no need to change
this setting.
Note:
Parameter A1-02 [Control Method Selection] selects which parameter is the motor
rated current.
• A1-02 = 5, 6 [OLV/PM, AOLV/PM]: E5-03 [PM Motor Rated Current (FLA)]
• A1-02 = 8 [EZOLV]: E9-06 [PM Motor Rated Current (FLA)]
400%
(0 - 400%)
755
n8-89
(02BE)
Vout Limit Switching
Hysteresis
Sets the hysteresis width of the current level at which output voltage limit sequence
selection occurs as a percentage where the motor rated current is 100%. Normally there
is no need to change this setting.
Note:
Parameter A1-02 [Control Method Selection] selects which parameter is the motor
rated current.
• A1-02 = 5, 6 [OLV/PM, AOLV/PM]: E5-03 [PM Motor Rated Current (FLA)]
• A1-02 = 8 [EZOLV]: E9-06 [PM Motor Rated Current (FLA)]
3%
(0 - 400%)
755
n8-90
(02BF)
Vout Limit Switching
Speed
Sets the speed level at which output voltage limit sequence selection occurs as a
percentage where the maximum output frequency is 100%. Usually it is not necessary to
change this setting.
Note:
Parameter A1-02 [Control Method Selection] selects which parameter is the
maximum output frequency.
• A1-02 = 5, 6 [OLV/PM, AOLV/PM]: E1-04 [Maximum Output Frequency]
• A1-02 = 8: E9-02 [Motor Max Revolutions]
200%
(0 - 200%)
755
n8-91
(02F7)
Id Limit at Voltage
Saturation
Sets the limit value of feedback output voltage limit Id operation. Enabled when n8-87
= 0 [Output Voltage Control Selection = Speed Feedback Form]. Usually it is not
necessary to change this setting.
-50%
(-200 - 0%)
755
n8-94
(012D)
Expert
Flux Position Estimation
Method
Sets the criteria that the drive uses to find changes in speed or load. Usually it is not
necessary to change this setting.
0 : Softstarter
1 : Speed Feedback
1
(0, 1)
755
n8-95
(012E)
Expert
Flux Position Est Filter
Time
Sets the time constant of the filter used for the recognition criteria value for speed and
load changes. Usually it is not necessary to change this setting.
30 ms
(0 - 100 ms)
755
◆ nA: PM Motor Control Tuning
No.
(Hex.)
Name Description
Default
(Range)
Ref.
nA-01
(3129)
Expert
Observer Calc Gain 3
Sets the gain for speed estimation. Usually it is not necessary to change this setting.
30.0
(0.0 - 1000.0)
756
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