3.8 E: Motor Parameters
116 YASKAWA TOEPYAIGA5001A GA500 DRIVE MAINTENANCE & TROUBLESHOOTING
No.
(Hex.)
Name Description
Default
(Range)
E1-12
(030B)
Expert
Mid Point B Voltage Sets a middle point voltage for the V/f pattern. 0.0 V
(200 V Class: 0.0 to 255.0 V,
400 V Class: 0.0 to 510.0 V)
E1-13
(030C)
Expert
Base Voltage Sets the base voltage for the V/f pattern. 0.0 V
(200 V Class: 0.0 - 255.0
V,400 V Class: 0.0 - 510.0
V)
◆ E2: Motor Parameters
No.
(Hex.)
Name Description
Default
(Range)
E2-01
(030E)
Motor Rated Current (FLA) Sets the motor rated current in amps. Determined by o2-04, C6-01
(10% to 200% of the drive
rated current)
E2-02
(030F)
Motor Rated Slip Sets motor rated slip. Determined by o2-04, C6-01
(0.000 - 20.000 Hz)
E2-03
(0310)
Motor No-Load Current Sets the no-load current for the motor in amps when operating at the rated frequency and the no-load
voltage.
Determined by o2-04, C6-01
(0 to E2-01)
E2-04
(0311)
Motor Pole Count Sets the number of motor poles.
Note:
• When A1-02 = 0 [Control Method Selection = V/f], the maximum value is 120.
• When A1-02 = 2 [OLV], the maximum value is 48.
4
(2 - 120)
E2-05
(0312)
Motor Line-to-Line
Resistance
Sets the line-to-line resistance for the motor stator windings. Determined by o2-04, C6-01
(0.000 - 65.000 Ω)
E2-06
(0313)
Motor Leakage Inductance Sets the voltage drop from motor leakage inductance when the motor is operating at the rated
frequency and rated current. This value is a percentage of Motor Rated Voltage.
Determined by o2-04, C6-01
(0.0 - 60.0%)
E2-07
(0314)
Motor Saturation Coefficient
1
Sets the motor iron-core saturation coefficient at 50% of the magnetic flux. 0.50
(0.00 - 0.50)
E2-08
(0315)
Motor Saturation Coefficient
2
Sets the motor iron-core saturation coefficient at 75% of the magnetic flux. 0.75
(E2-07 - 0.75)
E2-09
(0316)
Expert
Motor Mechanical Loss Sets the mechanical loss of the motor. It is set as a percentage of E2-11 [Motor Rated Power].
Usually it is not necessary to change this setting.
0.0%
(0.0 - 10.0%)
E2-10
(0317)
Motor Iron Loss Sets the motor iron loss. Determined by o2-04, C6-01
(0 - 65535 W)
E2-11
(0318)
Motor Rated Power Sets the motor rated output in the units from o1-58 [Motor Power Unit Selection]. Determined by o2-04, C6-01
(0.00 - 650.00)
◆ E3: V/f Pattern for Motor 2
No.
(Hex.)
Name Description
Default
(Range)
E3-01
(0319)
Motor 2 Control Mode
Selection
Sets the control method for motor 2.
Note:
When you change this setting, the drive will set all parameters that are dependent on this
parameter to their default settings.
0 : V/f Control
2 : Open Loop Vector
0
(0, 2)
E3-04
(031A)
Motor 2 Maximum Output
Frequency
Set the maximum output frequency for the motor 2 V/f pattern. Determined by E3-01
(40.0 - 590.0 Hz)
E3-05
(031B)
Motor 2 Maximum Output
Voltage
Sets the maximum output voltage for the motor 2 V/f pattern. Determined by E3-01
(200 V Class: 0.0 - 255.0 V,
400 V Class: 0.0 - 510.0 V)
E3-06
(031C)
Motor 2 Base Frequency Sets the base frequency for the motor 2 V/f pattern. Determined by E3-01
(0.0 - E3-04)
E3-07
(031D)
Motor 2 Mid Point A
Frequency
Sets a middle output frequency for the motor 2 V/f pattern. Determined by E3-01
(0.0 - E3-04)
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