Omron SYSDRIVE 3G3MV

6-26
6-4 Setting the Carrier Frequency
The carrier frequencyof the3G3MV can befixedor varied inproportion to
the output frequency.
n080 Carrier Frequency Selection Register 0150
Hex
Changes during
operation
No
Setting
range
1 to 4, 7 to 9 Unit of
setting
1 Default setting (see
note)
Note The default setting varies with the capacity of the Inverter model.
Set Values
Value Description
1 2.5 kHz
2 5.0 kHz
3 7.5 kHz
4 10.0 kHz
7 2.5 kHz (12´): 12 times as high as output frequency (from 1.0 to 2.5 kHz)
8 2.5 kHz (24´): 24 times as high as output frequency (from 1.0 to 2.5 kHz)
9 2.5 kHz (36´): 36 times as high as output frequency (from 1.0 to 2.5 kHz)
·The default setting does not need any changes in normal operation.
·Change the default setting in the following cases.
The wiring distance between the Inverter and motor is long:
Set the Inverter to a lower carrier frequency.
Reference carrier frequency: Wiring distance £ 50 m: 10 kHz
50 m < Wiring distance £ 100 m: 5 kHz
Wiring distance > 100 m: 2.5 kHz
Advanced Operation Chapter 6