Mitsubishi Electric fr-e700 series, Instruction Manual

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Parameter Acceleration and deceleration
FR-E700 SC EC/ENE 6 - 75
6.7.2 Starting frequency and start-time hold function (Pr. 13, Pr. 571)
You can set the starting frequency and hold the set starting frequency for a certain period of time.
Set these functions when you need the starting torque or want to smooth motor drive at a start.
The above parameters can be set when Pr. 160 "User group read selection" = 0.
Starting frequency setting (Pr. 13)
The motor is started with the specified start frequency as soon as the frequency inverter receives a
start signal and a frequency setting that is greater than or equal to the preset starting frequency.
Pr. No. Name Initial Value Setting Range Description Parameters referred to
Refer to
Section
13
Starting frequency 0.5 Hz 0–60 Hz
Frequency at start can be set in the
range 0 to 60 Hz.
You can set the starting frequency at
which the start signal is turned on.
2 Minimum frequency 6.4.1
571
Holding time at start 9999
0.0–10.0 s
Set the holding time of Pr. 13 "Starting
frequency".
9999 Holding function at a start is invalid
Fig. 6-31:
Starting frequency parameter
I000008C
NOTE The inverter will not start if the frequency setting signal is less than the value set in Pr. 13.
Example
쑴
When 5Hz is set in Pr. 13, the motor will not start running until the frequency setting signal reaches
5 Hz.
쑶
P
WARNING:
Note that when Pr. 13 is set to any value lower 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.
Output
frequency [Hz]
S
etting r
ange
ON Forward rotation
t
Hz