3.5 b: Application
106 YASKAWA TOEPYAIGA5001A GA500 DRIVE MAINTENANCE & TROUBLESHOOTING
No.
(Hex.)
Name Description
Default
(Range)
b8-04
(01CF)
Expert
Energy Saving Coefficient
Value
Sets the Energy-saving control coefficient to maintain maximum motor efficiency. The default setting
is for Yaskawa motors.
Determined by C6-01, E2-
11, and o2-04
(0.00 - 655.00)
b8-05
(01D0)
Expert
Power Detection Filter Time Sets the time constant to measure output power. 20 ms
(0 - 2000 ms)
b8-06
(01D1)
Expert
Search Operation Voltage
Limit
Sets the voltage limit for Search Operation as a percentage of the motor rated voltage. 0%
(0 - 100%)
b8-16
(01F8)
Expert
PM E-Save Coefficient Ki Sets torque linearity. This parameter uses the Ki value from the motor nameplate. Usually it is not
necessary to change this setting.
1.00
(0.00 - 3.00)
b8-17
(01F9)
Expert
PM E-Save Coefficient Kt Sets torque linearity. This parameter uses the Kt value from the motor nameplate. Usually it is not
necessary to change this setting.
1.00
(0.00 - 3.00)
b8-18
(01FA)
Expert
E-Save d-axis Current
FilterTime
Sets the d-axis current reference filter time constant. 0.100 s
(0.000 - 5.000 s)
b8-19
(0B40)
Expert
E-Save Search Frequency Sets the frequency of Energy-saving control search operations. Usually it is not necessary to change
this setting.
Determined by A1-02
(10 - 300 Hz)
b8-20
(0B41)
Expert
E-Save Search Width Sets the amplitude of Energy-saving control search operations. 1.0 degrees
(0.1 - 5.0 degrees)
b8-21
(0B42)
Expert
PM E-Save Search Gain Sets the gain of Energy-saving control search operations. 0.3Hz
(0.1 - 20.0 Hz)
b8-22
(0B43)
Expert
PM E-Save Search LPF
Cutoff Freq
Sets the frequency of the filter used to extract the high-efficiency phase from search operations.
Usually it is not necessary to change this setting.
10.0 Hz
(1.0 - 30.0 Hz)
b8-23
(0B44)
Expert
PM E-Save Search Limit Sets the search operations output limit. Usually it is not necessary to change this setting. 15.0 degrees
(0.0 - 30.0 degrees)
b8-24
(0B45)
Expert
PM E-Save High Freq ACR
Gain
Sets the gain for high-frequency current control. 200.0 Hz
(100.0 - 1000.0 Hz)
b8-25
(0B46)
Expert
PM E-Save Search Start
Level
Sets the start level for search operations. 10.0%
(0.0 - 100.0%)
b8-26
(0B47)
Expert
PM E-Save Power Setpoint Sets a value to increase torque accuracy. 0.0%
(-10.0 - +10.0%)
b8-28
(0B8B)
Expert
Over Excitation Action
Selection
Sets the function for excitation operation.
0 : Disabled
1 : Enabled
0
(0, 1)
b8-29
(0B8C)
Energy Saving Priority
Selection
Sets the priority of drive response between changes to the load or Energy-saving control. Enable this
to prioritize energy-saving control. Disable this to prioritize tracking related to fast load changes, and
prevent motor stall.
0 : Priority: Drive Response
1 : Priority: Energy Savings
0
(0, 1)
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