User Constant Tables
5-67
* 1. The factory setting depends on the Inverter capacity. The value for a 200 V Class Inverter of 0.4 kW is given.
* 2. If a current exceeding 110% of the Inverter rated current flows through the unit, the carrier frequency will automatically decrease and electromagnetic
noise will occur.
* 3. The lower limits are 0.4 kHz for V/f control and 1.0 kHz for flux vector control. The upper limit is the same value as that of the factory setting for L8-
39.
L8-38
Carrier
frequency
reduction
selection
0: Disabled (No carrier
frequency reduction.)
1: Enabled (Carrier
frequency is reduced
accordingly.)
0 or 1
1
*2
No A A A No No 4EFH -
载波频率降低
选择
L8-39
Reduced
carrier
frequency
Sets the reduced carrier fre-
quency.
0, 4 to
2.0
*3
2.0 kHz
*1
*2
No A A A No No 4F0H -
降低载波频率
L8-41
Current alarm Allows or restricts an alarm
from being triggered when
the relative output current
rises above 150%.
0: Disabled.
1: Enabled (alarm will be
output).
0 or 1 1 No A A A A A 4F2H
6-181
电流警告
Con-
stant
Number
Name
Description
Setting
Range
Factory
Setting
Change
during
Opera-
tion
Control Methods
MEMO-
BUS
Regis-
ter
Page
Display
V/f
V/f
with
PG
Open
Loop
Vec-
tor
1
Flux
Vec-
tor
Open
Loop
Vec-
tor
2
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