5-66
L8-05
Input open-
phase protec-
tion selection
0: Disabled
1: Enabled (Detects if input
current open-phase, power
supply voltage imbalance
or main circuit
electrostatic capacitor
deterioration occurs.)
This fault is detected if a load
is greater than approximately
80% of the maximum motor
capacity.
0 or 1 0 No A A A A A 4B1H -
输入缺相保护
L8-07
Output open-
phase protec-
tion selection
0: Disabled
1: Enabled
2: Enabled
Output open-phase is detected
at less than 5% of Inverter
rated current.
When applied motor capacity
is small for Inverter capacity,
output open-phase may be
detected inadvertently or
open-phase may not be
detected. In this case, set to 0.
0 to 2 0 No A A A A A 4B3H -
输入缺相保护
值
L8-09
Ground pro-
tection selec-
tion
0: Disabled
1: Enabled
0 or 1 1 No A A A A A 4B5H -
接地短路保护
选择
L8-10
Cooling fan
control selec-
tion
Set the ON/OFF control for
the cooling fan.
0: ON only when Inverter is
ON
1: ON whenever power is
ON
0 or 1 0 No A A A A A 4B6H -
风扇控制选择
L8-11
Cooling fan
control delay
time
Set the time in seconds to
delay turning OFF the cooling
fan after the cooling fan OFF
command is received.
0 to
300
60 s No A A A A A 4B7H -
风扇控制延迟
时间
L8-12
Ambient tem-
perature
Set the ambient temperature.
If set to 60 °C, the Inverter
overload protection function
(OL2) will start 20% earlier.
45 to
60
45 °CNoAAAAA4B8H-
环境温度
L8-15
OL2 charac-
teristics
selection at
low speeds
0: OL2 characteristics at low
speeds disabled.
1: OL2 characteristics at
low speeds enabled.
0 or 1 1 No A A A A A 4BBH -
低速 OL2 特性
L8-18
Soft Current
Limitation
0: Disable (gain = 0)
1: Enable
0 or 1 1 No A A A A A 4BEH -
软件 CLA
L8-32
OH1 detec-
tion of
Inverter’ s
cooling fan
0: Disabled (FAN minor
fault detection)
1: Enabled (OH1 major fault
detection)
0 or 1 1 No A A A A A 4E2H 6-73
OH1 检出选择
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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