Panasonic VF0 Series Instruction Manual page 40

OVERLOAD FUNCTION and OVERLOAD CURRENT
Used to set the operation level of the electronic thermal relay when the motor overload is
detected and the inverter output is to be stopped. Set these parameters according to the
rated current of applicable motor.
[Parameter P06: Setting of electronic
Data
setting
value
0
1
2
3
39
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thermal relay function details]
Validity Details of function
of (Operation coasts to stop
function when OL is displayed)
Note that the OL trip will
occur if a current that is
Invalid
140% of the rated inverter
current flows for one minute.
Without output frequency
Valid
derating
With output frequency
Valid
derating
Forced ventilation motor
Valid
specifications
[Parameter P06 = 1]
100
50
0
Output
frequency (Hz)
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[Parameter P07:
Setting of thermal relay current]
Data setting range
∗ Set current and thermal relay
function
· Set current × 100%
· Set current × 125% ⇒ Trips
∗ What is derating?
Function to automatically
compensate operation level when
motor cooling performance drops
during low-speed operation.
[Parameter P06 = 2]
100
90
60
25 50
0
Output
frequency (Hz)
(Parameter P06 and P07)
(A) 0.1 to 100
⇒ Does not trip
[Parameter P06 = 3]
100
60
15 50
0
Output
frequency (Hz)