5-18
5
îš„Energy Saving: b8
Param-
eter
Num-
ber
Name
Description
Setting
Range
Factory
Setting
Change
during
Opera-
tion
Control Methods
MEMO-
BUS
Register
Page
V/f
V/f
with
PG
Open
Loop
Vector
Closed
Loop
Vector
Display
b8-01
Energy-sav-
ing mode
selection
Select whether to enable or
disable energy-saving control.
0: Disable
1: Enable
0 or 1 0 No A A A A 1CCH 6-109
Energy Save
Sel
b8-02
Energy-sav-
ing gain
Sets the energy-saving gain
for Open Loop and Closed
Loop Vector control.
0.0 to
10.0
0.7
* 1
* 1. The factory setting is given for Open Loop Vector control. The closed Loop Vector control factory setting is 1.0.
Yes No No A A 1CDH 6-109
Energy Save
Gain
b8-03
Energy-sav-
ing filter
time con-
stant
Sets the energy-saving filter
time constant for Open Loop
and Closed Loop Vector con-
trol.
0.00 to
10.0
0.50 s
* 2
* 2. The factory setting is 2.00 s when Inverter capacity is 55 kW
Yes No No A A 1 CE H 6-109
Energy Save
F.T
b8-04
Energy-sav-
ing coeffi-
cient
Sets the energy-saving coeffi-
cient depending on the setting
in E2-11 (motor rated current).
Adjust the value in 5% steps
until the output power
becomes minimal.
0.0 to
655.00
288.20
* 3
* 3. The factory setting depends on the Inverter capacity (The setting for a 200 V class Inverter of 0.4kW is given).
No A A No No 1CFH 6-109
Energy Save
COEF
b8-05
Power detec-
tion filter
time con-
stant
Sets the time constant for out-
put power detection.
0 to
2000
20 ms No A A No No 1D0H 6-109
kW Filter
Time
b8-06
Search oper-
ation volt-
age limiter
Sets the limit of the voltage
control range during search
operation. 100% is the moni-
tor rated voltage.
0 to 100 0% No A A No No 1D1H 6-109
Search V
Limit
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