User Parameter Tables
5-27
Carrier Frequency: C6
User parameters for the carrier frequency are shown in the following table.
* 1. The setting range depends on the control method of the Drive.
* 2. Initial values vary depending on drive capacity.
* 3. Setting range varies based on drive capacity.
* 4. This parameter can be monitored or set only when 1 is set for C6-01 and F is set for C6-02.
* 5. Quick Settings are used if Multi-Function Input is set for two motors.
Parameter
Number
Name
Description
Setting
Range
Fac-
tory
Setting
Change
during
Operation
Control Methods
MODBUS
Register
Display
V/f
V/f
with
PG
Open
Loop
Vector
1
Flux
Vec-
tor
Open
Loop
Vector
2
C6-02
Carrier
Frequency
Selection
Selects the number of pulses per second
of the output voltage waveform. Setting
range determined by C6-01 setting.
0: Low noise
1: Fc = 2.0 kHz
2: Fc = 5.0 kHz
3: Fc = 8.0 kHz
4: Fc = 10.0 kHz
5: Fc = 12.5 kHz
6: Fc = 15.0 kHz
OF: Program (Determined by the
settings of C6-03 thru C6-05)
0 to F
6
*2
No Q Q Q Q
No
*5
224H
Carrier
Freq Sel
C6-03
Carrier
Frequency
Upper
Limit
Sets the relationship of output frequency
to carrier frequency when C6-02 = OF.
Note: Carrier frequency is set to C6-03
(upper limit) when operating in Vector
Control Mode.
K is a coefficient that depends on the
setting of C6-03.
C6-03 ≥ 10.0 kHz: K = 3
10.0 kHz > C6-03 ≥ 5.0 kHz: K = 2
5.0 kHz > C6-03: K = 1
2.0
to
15.0
*3 *4
15.0
kHz
*2
No A A A A No 225H
Carrier
Freq Max
C6-04
Carrier
Frequency
Lower
Limit
0.4
to
15.0
*3 *4
15.0
kHz
*2
No A A No No No 226H
Carrier
Freq Min
C6-05
Carrier
Frequency
Proportional
Gain
0
to
99
*4
0NoAANoNoNo227H
Carrier
Freq Gain
C6-11
Carrier
Frequency
Selection
for
Open-loop
Vector 2
Selects the carrier frequency during
Vector Control 2 wo/PG.
1: 2kHz (3-phase modulation)
2: 4kHz (3-phase modulation)
3: 6kHz (3-phase modulation)
4: 8kHz (3-phase modulation)
1 to 4
4
*2
No
No
*5
No
*5
No
*5
No
*5
Q22DH
Carrier
Freq Sel
Carrier frequency
Output frequency x (C6-05) x K
(Max. output frequency)
Output
frequency
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