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Other Functions
6-7-2
Cooling Fan Operation Function (n35)
n35
Setting
0, 1
range
Set Values
Value
0
The fan rotates only while the RUN command is input and for 1 minute after the Inverter stops
operating.
1
The fan rotates while the Inverter is turned on.
6-7-3
Momentary Power Interruption Compensation (n47)
n47
Momentary Power Interruption Compensation
Setting
0 to 2
range
Set Values
Value
0
Disabled. (An undervoltage fault will be detected when there is momentary power interruption for 15 ms
or more.)
1
The Inverter will continue operating if power is restored within 0.5 s. (see note 1)
2
The Inverter will restart when power is restored. (see note 2)
80
This parameter is used to operate the cooling fan of the Inverter while the
Inverter is turned on or only while the Inverter is in operation.
Cooling Fan Operation Selection
Unit of
setting
• This parameter is available only if the Inverter incorporates a cooling fan.
• If the operation frequency of the Inverter is low, the life of the fan can be
prolonged by setting the parameter to 0.
The parameter specifies the processing that will be performed when a
momentary power interruption occurs.
Unit of
setting
Note
1. If the parameter is set to 1, an undervoltage warning will be detected and
the output of the Inverter will be shut off for 0.5 s when a momentary power
interruption occurs. The Inverter will restart after speed searching if power
is restored within 0.5 s. Undervoltage fault 1 will be detected if power failure
continues for more than 0.5 s.
2. If the parameter is set to 2, an undervoltage warning will be detected and
the output of the Inverter will be shut off when a momentary power
interruption occurs. The Inverter will then wait for power restoration. When
power is restored, the Inverter will restart after speed searching.
Changes during
operation
1
Default setting
Description
Changes during
operation
1
Default setting
Description
Chapter 6-7
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