7-19
H Carrier Frequency: C6
Para
Control
mode
Page
meter
No.
Display
name
range setting ges
during
opera-
tion
V/f
control
V/f
with
PG
Open
loop
vector
Flux
vector
C6-01
Carrier
frequency
upper limit.
Sets the carrier frequency
upper limit and lower limit in
kHz units. (See note 2)
15.0
(see
note 1)
NO B B B B 6-62
Carrier
Freq Max
The carrier frequency
proportional gain is set as
follows:
C6-02
Carrier
frequency
lower limit.
Note:
In vector control mode,
the upper limit of the car
-
rier frequency is fixed at
15.0
(see
note 1)
NO A A X X 6-62
Carrier
Freq Min
C6-03
Carrier
frequency
proportional
gain.
Output frequency × (C6-03)
× K
C6-01
C6-02
0
to 99
0 NO A A X X 6-62
Carrier
Freq Gain
Output frequency
(Max. frequency)
E1-04
0
Note 1. The
setting
range and the default of the Inverter will dif
fer depending on its capacity and con
-
trol
mode. (The value for the 200-V class 0.4 kW Inverter in open loop vector control mode is
given above.)
Note 2. For
a 400-V Inverter
, if the carrier frequency is set to a value higher than the default setting, the
Inverter overload “OL2” detection value will decrease.
H Hunting Prevention: C7
Para
Control
mode
Page
meter
No.
Display
name
range setting ges
during
opera-
tion
V/f
control
V/f
with
PG
Open
loop
vector
Flux
vector
C7-01
Hunting
prevention
selection
0: Disabled
1: Enabled
Note:
The hunting prevention
function is used to stop a
motor under a light load
from hunting.
This function is exclusive-
0, 1
1 NO A A X X 6-14,
6-38
Hunt Prev
Select
ly for the V/f control
mode.
When greater responsive
-
ness than vibration con
-
trol is required, set hunt
-
ing prevention to “dis
-
abled.”
C7-02
Hunting
prevention
gain
Sets the ratio for hunting
prevention gain.
Note:
Usually setting is not nec
-
essary.
Adjust in the following cir
-
cumstances:
When vibration occurs
due to a li
in
-
0.00 to
2.50
1.00 NO A A X X 6-14,
6-38
Hunt Prev
Gain
-
crease the set values.
When the motor is stalled,
decrease the set values.
If the set values become
too large, the motor may
stall as a result of non-
controlled current.
Parameter Lists Chapter
7