Setting The Carrier Frequency - Omron SYSDRIVE 3G3MV User Manual

Advanced Operation

6-4 Setting the Carrier Frequency

The carrier frequency of the 3G3MV can be fixed or varied in proportion to
the output frequency.
Carrier Frequency Selection Register 0150
n080
Setting 1 to 4, 7 to 9
range
Note The default setting varies with the capacity of the Inverter model.
Set Values
Value
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:
6-26
Hex
Unit of 1
setting
Description
Wiring distance £ 50 m:
50 m < Wiring distance £ 100 m:
Wiring distance > 100 m:
Chapter 6
Changes during No
operation
Default setting (see
note)
10 kHz
5 kHz
2.5 kHz