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Settin
Enabled (Base Fre uency)
Settin 1 Enabled (Ma Fre uency)
Motor Underload
Protection at Fmin
L 1
Motor Underload Protection Le el at Minimum Fre uency
Sets the UL6 detection level at minimum frequency by percentage of drive rated current
No
L6-14
Motor Underload Protection Level at Minimum Frequency
L8 Dri e Protection
L8 2 O er eat Alarm Le el
Sets the overheat alarm (oH) detection level.
The drive outputs an alarm when the heatsink temperature exceeds the overheat alarm level. If the drive is set to continue
operation after this alarm occurs (L8-03 = 4) and the temperature reaches the overheat fault level, the drive will trigger an oH1
fault and stop operation.
When an output terminal is set for the oH pre-alarm (H2-
above L8-02.
No
L8-02
L8
O er eat Pre Alarm Operation Selection
Sets the operation when an overheat pre-alarm is detected.
Change L8-03 setting only when necessary.
Note:
No
L8-03
Settin
amp to Stop
If an overheat alarm occurs, the drive decelerates to stop using the currently selected deceleration time. If a digital output is
programmed for "fault" (H2-
Settin 1 Coast to Stop
If an overheat alarm occurs, the drive switches off the output and the motor coasts to stop. If a digital output is programmed
for "fault" (H2-
= E), this output will be triggered.
UL Detection Level
L6-02
(0 to 300%)
L6-14
0
Fmin
Fi ure 1 7
Name
Name
Overheat Alarm Level
Name
Overheat Pre-Alarm Operation Selection
= E), this output will be triggered.
1/f
Fbase
Motor Underload Protection
= 20), the switch will close when the heatsink temperature rises
1 8 L Protection Functions
Output
Frequency
Fmax
Settin
an e
0 to 300%
Settin
an e
Determined by
50 to 130 °C
Settin
an e
0 to 4
De ault
15%
De ault
o2-04
1
De ault
4
11
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