11.8 E: Motor Parameters
568 YASKAWA SIEPC71061737D GA800 Drive Technical Reference
No.
(Hex.)
Name Description
Default
(Range)
Ref.
E4-05
(0325)
Motor 2 Line-to-Line
Resistance
Sets the line-to-line resistance for the motor 2 stator windings.
Determined by o2-04,
C6-01
(0.000 - 65.000 Ω)
832
E4-06
(0326)
Motor 2 Leakage
Inductance
Sets the voltage drop from motor 2 leakage inductance as a percentage of Motor Rated
Voltage when motor 2 operates at the rated frequency and rated current.
Determined by o2-04,
C6-01
(0.0 - 60.0%)
832
E4-07
(0343)
Motor 2 Saturation
Coefficient 1
Sets the motor 2 iron-core saturation coefficient at 50% of the magnetic flux.
0.50
(0.00 - 0.50)
832
E4-08
(0344)
Motor 2 Saturation
Coefficient 2
Sets the motor 2 iron-core saturation coefficient at 75% of the magnetic flux.
0.75
(E4-07 - 0.75)
832
E4-09
(033F)
Expert
Motor 2 Mechanical Loss
Sets the mechanical loss of motor 2. It is set as a percentage of E4-11 [Motor 2 Rated
Power]. Usually it is not necessary to change this setting.
0.0%
(0.0 - 10.0%)
832
E4-10
(0340)
Motor 2 Iron Loss
Sets the motor iron loss for motor 2.
Determined by o2-04,
C6-01
(0 - 65535 W)
833
E4-11
(0327)
Motor 2 Rated Power
Sets the motor rated power in the units from o1-58 [Motor Power Unit Selection].
Determined by o2-04,
C6-01
(0.00 - 650.00 HP)
833
◆ E5: PM Motor Settings
No.
(Hex.)
Name Description
Default
(Range)
Ref.
E5-01
(0329)
PM Motor Code Selection
Sets the motor code for Yaskawa PM motors. The drive uses the motor code to
automatically set some parameters to their correct settings.
FFFF
(0000 - FFFF)
833
E5-02
(032A)
PM Motor Rated Power
Sets the PM motor rated output in the units set in o1-58 [Motor Power Unit Selection].
Determined by o2-04,
C6-01
(0.10 - 650.00 HP)
833
E5-03
(032B)
Motor Rated Current
(FLA)
Sets the PM motor rated current (FLA).
Determined by E5-01
(10% to 200% of the
drive rated current)
833
E5-04
(032C)
PM Motor Pole Count
Sets the number of PM motor poles.
Note:
• When A1-02 = 7 [Control Method Selection = CLV/PM], the maximum value is 120.
• When A1-02 = 5, 6 or 8 [OLV/PM, AOLV/PM or EZOLV], the maximum value is 48.
4
(2 - 120)
834
E5-05
(032D)
PM Motor Resistance
(ohms/phase)
Sets the resistance per phase of a PM motor. Set 50% of the line-to-line resistance.
0.100 Ω
(0.000 - 65.000 Ω)
834
E5-06
(032E)
PM d-axis Inductance
(mH/phase)
Sets the PM motor d-axis inductance.
1.00 mH
(0.00 - 300.00 mH)
834
E5-07
(032F)
PM q-axis Inductance
(mH/phase)
Sets the PM motor q-axis inductance.
1.00 mH
(0.00 - 600.00 mH)
834
E5-09
(0331)
PM Back-EMF Vpeak
(mV/(rad/s))
Sets the peak value of PM motor induced voltage.
0.0 mV/(rad/sec)
(0.0 - 2000.0 mV/(rad/s))
835
E5-11
(0333)
Encoder Z-Pulse Offset
Sets the encoder Z-pulse offset.
0.0 degrees
(-180.0 - +180.0 degrees)
835
E5-24
(0353)
PM Back-EMF L-L Vrms
(mV/rpm)
Sets the RMS value for PM motor line voltage.
200 V Class:
100.0 mV/min
-1
400 V Class:
200.0 mV/min
-1
(0.0 - 6500.0 mV/min
-1
)
835
E5-25
(035E)
Expert
Polarity Estimation
Timeout
Sets the function that switches polarity for initial polarity estimation. Usually it is not
necessary to change this setting.
0 : Disabled
1 : Enabled
0
(0, 1)
835
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