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Energy-saving
To perform energy saving, set b8-01 (Energy Saving Mode Selection) to 1. Energy-saving control can be per-
formed using both V/f control and open-loop vector control. The parameters to be adjusted are different for
each. In V/f control, adjust b8-04 to b8-06, and in vector control, adjust b8-02 and b8-03.
Related Parameters
Name
Parameter
Number
Display
Energy Saving
Energy Savings function enable/
Control
disable selection.
Selection
b8-01
0: Disabled
Energy Save
1: Enabled
Sel
Energy Saving
Gain
Sets energy savings control gain
b8-02
when in vector control mode.
Energy Save
Gain
Energy Saving
Control Filter
Sets energy saving control filter
Time Constant
b8-03
time constant when in vector
control mode.
Energy Save
F.T
Energy Saving
Coefficient
Used to fine-tune the energy
Value
b8-04
savings function when in V/f
Control Mode.
Energy Save
COEF
Power
Used to fine-tune the energy
Detection Filter
b8-05
savings function when in V/f
Time
Control Mode.
kW Filter Time
Search
Used to fine-tune the energy
Operation
b8-06
savings function when in V/f
Voltage Limit
Control Mode.
Search V Limit
Motor Rated
Sets the motor rated slip in hertz
Slip
(Hz). This value is automatically
E2-02
set during rotational
Motor Rated
Auto-Tuning.
Slip
Motor Rated
Sets the motor rated power in
Output
kilowatts (kW). This value is
E2-11
automatically set during
Mtr Rated
Auto-Tuning. 1HP = 0.746kW
Power
* 1. Set to 1.0 in Vector Control Mode with PG.
* 2. Initial settings vary based on drive capacity and control mode.
* 3. Caution: Initial settings will vary based on motor capacity
* 4. Initial/Default settings vary based on drive capacity. Values shown here are for 200-240V class 0.4kW drives.
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Setting
Description
Range
0 or 1
0.0
to
10.0
0.00
to
10.0
0.0
to
655.00
0
to
2000
0 to 100
0.00
to
20.00
0.00
to
650.00
Individual Functions
Control Methods
Change
Factory
V/f
during
Setting
V/f
with
Operation
PG
0
No
A
A
0.7
Yes
No
No
*1
0.50sec
Yes
No
No
*2
*3
No
A
A
*4
20ms
No
A
A
0%
No
A
A
2.90Hz
No
A
A
*4
0.40kW
No
Q
Q
*3
Open
Open
Loop
Flux
Loop
Vector
Vector
Vector
1
2
A
A
A
A
A
A
A
A
A
No
No
No
No
No
No
No
No
No
A
A
A
Q
Q
Q
107
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Troubleshooting
