User Constant Tables
5-37
Hardware Protection: L8
* The factory setting depends upon the Inverter capacity. The value for a 200 V Class Inverter of 0.4 kW is given.
Con-
stant
Number
Name Description
Setting
Range
Factory
Setting
Change
during
Opera-
tion
Access
Level
MEMO-
BUS
Register
Page
L8-02
Overheat pre-
alarm level
Sets the detection temperature for
the Inverter overheat detection pre-
alarm in °C.
The pre-alarm detects when the
cooling fin temperature reaches the
set value.
50 to
130
95 °C* No A 4AEH 6-47
L8-03
Operation selec-
tion after over-
heat pre-alarm
Sets the operation for when the
Inverter overheat pre-alarm occurs.
0: Decelerate to stop using the
deceleration time C1-02.
1: Coast to stop
2: Fast stop in fast-stop time
C1-09.
3: Continue operation (Monitor
display only.)
4: OH-Alarm and output frequency
reduction (L8-19)
A fault will be given in setting 0 to
2 and a alarm will be given in set-
ting 3 and 4.
0 to 4 4 No A 4AFH 6-47
L8-06
Input Phase Loss
Detection Level
Allowed DC bus ripple before Input
Phase Loss is detected.
0.0 to
25.0 %
5 % No A 4B2H 6-47
L8-09
Ground fault pro-
tection selection
0: Disabled
1: Enabled
It is not recommended to use
another setting than factory setting.
0 or 1 1 No A 4B5H 6-47
L8-10
Cooling Fan con-
trol selection
Sets the ON/OFF control for the
cooling fan.
0: ON only when RUN command is
on
1: ON whenever inverter is pow-
ered up
0 or 1 0 No A 4B6H 6-48
L8-11
Cooling fan con-
trol delay time
Set the time in seconds to delay
turning OFF the cooling fan after
the inverter STOP command is
given.
0 to 300 300 s No A 4B7H 6-48
L8-12
Ambient tempera-
ture
Set the ambient temperature. 45 to 60 45 °C No A 4B8H 6-49
L8-15
OL2 characteris-
tics selection at
low speeds
0: OL2 characteristics at low
speeds disabled.
1: OL2 characteristics at low
speeds enabled.
It is not recommended to use
another setting than factory setting.
0 or 1 1 No A 4BBH 6-49
L8-18
Soft CLA selec-
tion
0: Disable (gain = 0)
1: Enable
It is not recommended to use
another setting than factory setting.
0 or 1 1 No A 4BEH 6-50
L8-19
Frequency refer-
ence during OH
pre-alarm
Sets the frequency reference when
OH pre-alarm is detected in percent
of maximum frequency (E1-04)
0.0 to
100.0
20.0 % No A 4BFH 6-48
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