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Explanation of functions (parameters)
2.3.8 Starting frequency (Pr. 13 )
The starting frequency at
which the start signal is
turned on can be set in the
range 0 to 60Hz.
Frequency which is output
by the inverter first at a start
and gives great influence to
the starting torque. About 1
to 3Hz for vertical lift
applications, or up to 5Hz to
the maximum. For other than
vertical lift applications,
factory setting of about
0.5Hz is recommended.
Parameter Name
Factory
Setting
Setting
Range
Remarks
13 Starting frequency 0.5Hz 0 to 60Hz Setting is enabled when Pr. 30 = "1".
CAUTION
The inverter will not start if the frequency setting signal is less than the value
set in Pr. 13 "starting frequency".
For example, when 5Hz is set in Pr. 13, the motor will not start running until the
frequency setting signal reaches 5Hz.
CAUTION
Note that when Pr. 13 is set to any value equal to or less than Pr. 2
"minimum frequency", simply turning on the start signal will run the motor
at the preset frequency even if the command frequency is not input.
♦Related parameters♦
• Minimum frequency setting ⇒ Pr. 2 "minimum frequency" (refer to page 74)
Output frequency
(Hz)
60
Pr.13
Frequency setting signal (V)
Setting range
Forward rotation
ON
0
Time