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b8: Energy Saving

No.

(Hex.)

Name

Description

Default

(Range)

Ref.

b8-01

(01CC)

Energy Saving Control Selection

Sets the Energy-saving control function.

0
Disabled
 
1
Enabled
 
2
Automatic Optimization
 
Note:

Setting 2 is available only when A1-02 = 6, 7 [Control Method Selection = AOLV/PM, CLV/PM] and in Expert Mode.

0

(0 - 2)

Details

No.

(Hex.)

Name

Description

Default

(Range)

Ref.

b8-02

(01CD)

RUN

Expert

Energy Saving Gain

Sets the gain for Energy-saving control.

Determined by A1-02

(0.0 - 10.0)

Details

No.

(Hex.)

Name

Description

Default

(Range)

Ref.

b8-03

(01CE)

RUN

Expert

Energy Saving Filter Time

Sets the responsiveness for Energy-saving control.

Determined by A1-02,C6-01 and o2-04

(0.00 - 10.00 s)

Details

No.

(Hex.)

Name

Description

Default

(Range)

Ref.

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)

Details

No.

(Hex.)

Name

Description

Default

(Range)

Ref.

b8-05

(01D0)

Expert

Power Detection Filter Time

Sets the time constant to measure output power.

20 ms

(0 - 2000 ms)

Details

No.

(Hex.)

Name

Description

Default

(Range)

Ref.

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%)

Details

No.

(Hex.)

Name

Description

Default

(Range)

Ref.

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)

Details

No.

(Hex.)

Name

Description

Default

(Range)

Ref.

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)

Details

No.

(Hex.)

Name

Description

Default

(Range)

Ref.

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)

Details

No.

(Hex.)

Name

Description

Default

(Range)

Ref.

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)

Details

No.

(Hex.)

Name

Description

Default

(Range)

Ref.

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)

Details

No.

(Hex.)

Name

Description

Default

(Range)

Ref.

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)

Details

No.

(Hex.)

Name

Description

Default

(Range)

Ref.

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)

Details

No.

(Hex.)

Name

Description

Default

(Range)

Ref.

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)

Details

No.

(Hex.)

Name

Description

Default

(Range)

Ref.

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)

Details

No.

(Hex.)

Name

Description

Default

(Range)

Ref.

b8-25

(0B46)

Expert

PM E-Save Search Start Level

Sets the start level for search operations.

10.0%

(0.0 - 100.0%)

Details

No.

(Hex.)

Name

Description

Default

(Range)

Ref.

b8-26

(0B47)

Expert

PM E-Save Power Setpoint

Sets a value to increase torque accuracy.

0.0%

(-10.0 - +10.0%)

Details

No.

(Hex.)

Name

Description

Default

(Range)

Ref.

b8-28

(0B8B)

Expert

Over Excitation Action Selection

Sets the function for excitation operation.

0
Disabled
 
1
Enabled
 

0

(0, 1)

Details

No.

(Hex.)

Name

Description

Default

(Range)

Ref.

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)

Details

No.

(Hex.)

Name

Description

Default

(Range)

Ref.

b8-50

(0B0D)

Standby Mode Selection

Sets the Standby Mode function.

0
Disabled
 
1
Enabled
 

0

(0, 1)

Details

No.

(Hex.)

Name

Description

Default

(Range)

Ref.

b8-51

(0B01)

Standby Mode Wait Time

Sets the delay time before turning off the electromagnetic contactor after the drive stops.

600 s

(0 - 6000 s)

Details