YASKAWA HV600 Technical Reference page 226

5.2 b: Application
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b8-04: Energy Saving Coefficient Value
No.
Name
(Hex.)
b8-04 Energy Saving Coefficient
Value
(01CF)
Expert
When you use a motor from a different manufacturer, increase the setting value in 5% increments to find the
minimum value for U1-08 [Output Power] at light loads.
When you decrease the setting value, it decreases the output voltage and decreases power consumption. If the setting
value is too low, the motor will stall.
Note:
• When you do Rotational Auto-Tuning, the drive will automatically set the energy-saving coefficient.
• The minimum values and the maximum values are different for different drive models.
–2011 to 2024, 4005 to 4008: 0.0 - 2000.0
–2031 to 2273, 4011 to 4302: 0.00 - 655.00
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b8-05: Power Detection Filter Time
No.
Name
(Hex.)
b8-05 Power Detection Filter Time Sets the time constant to measure output power.
(01D0)
Expert
Decrease the setting value to increase responsiveness to load changes. If you set the value too low during operation at
light loads, motor speed is not stable.
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b8-06: Search Operation Voltage Limit
No.
Name
(Hex.)
b8-06 Search Operation Voltage
Limit
(01D1)
Expert
The Search Operation changes the output voltage in small increments to find a setpoint at which the drive can use
minimum power to operate.
Set this parameter to 0 to disable Search Operation. This will not disable Energy-saving control.
If the setting value is too low, the motor will stall when loads suddenly increase.
226
Sets the Energy-saving control coefficient to maintain maximum motor efficiency. The default setting
is for Yaskawa motors.
Sets the voltage limit for Search Operation as a percentage of the motor rated voltage.
Description
Description
Description
YASKAWA SIEPYAIH6B01A HV600 AC Drive Bypass Technical Reference
Default
(Range)
Determined by E2-11 and
o2-04
(0.00 - 655.00)
Default
(Range)
20 ms
(0 - 2000 ms)
Default
(Range)
0%
(0 - 100%)