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nEnergy Saving: b8
Parameters for energy-saving control functions are shown in the following table.
Param-
eter
Number
Display
Energy-sav-
ing mode
selection
b8-01
Energy
Save Sel
Energy-sav-
ing gain
b8-02
Energy
Save Gain
Energy-sav-
ing filter
time con-
b8-03
stant
Energy
Save F.T
Energy-sav-
ing coeffi-
cient
b8-04
Energy
Save COEF
Power
detection
filter time
b8-05
constant
kW Filter
Time
Search
operation
voltage lim-
iter
b8-06
Search V
Limit
* 1. The factory setting is 1.0 when using V/f control with PG.
* 2. The factory setting is 2.00 s when Inverter capacity is 55 kW and over.
* 3. The same capacity as the Inverter will be set by initializing the parameters.
* 4. The factory settings depend on the Inverter capacity.
-18
5
Name
Description
LCD
Select whether to enable or
disable energy-saving con-
trol.
0: Disable
1: Enable
Set the energy-saving gain
with the open loop vector
control method.
Set the energy-saving filter
time constant with the open
loop vector control method.
Set the maximum motor effi-
ciency value.
Set the motor rated capacity
in E2-11, and adjust the
value by 5% at a time until
output power reaches a mini-
mum value.
Set the time constant for out-
put power detection.
Set the limit value of the
voltage control range during
search operation.
Perform search operation to
optimize operations using
minute variations in voltage
using energy-saving control.
Set to 0 to disable the search
operation. 100% is the motor
base voltage.
Control Methods
Change
during
Setting
Factory
Range
Setting
Opera-
V/f
tion
0 or 1
0
No
0.0 to
0.7
Yes
No
10.0
*1
0.00 to
0.50 s
Yes
No
10.0
*2
0.0 to
*4
No
655.00
*3
0 to
20 ms
No
2000
0 to
0%
No
100
V/f
Register Page
Open
with
Loop
PG
A
A
A
1CCH
No
A
1CDH
No
A
1CEH
A
A
No
1CFH
A
A
No
1D0H
A
A
No
1D1H
6-125
6-125
6-125
6-125
6-125
6-125
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