4-181
Automatic tuning mode selection (17-00)
. If it is the static-type automatic tuning (17-00 = 1), then the motor can not be
operating in the process of the automatic tuning. The rotary-type automatic tuning
(17-00 = 0) can obtain higher performance.
. 17-00=2 is for the applications of long wire.
Motor rated output power (17-01)
. Set by inverter capacity (13-00)
Motor rated current (17-02)
. Set by inverter capacity (13-00)
. Set the range to 10 %~200 % of the inverter rated current.
Motor rated voltage (17-03)
Motor rated frequency (17-04)
Motor rated speed (17-05)
. For the special inverter or motor, such as motor speed, constant power motor or tool
spindle motor and so on, the motor rated voltage or rated motor frequency is lower
than that of normal motor. It is necessary to firstly confirm the nameplate information
or the motor test report.
. When the motor rated voltage is higher than the inverter input voltage, it is required
to prevent the inverter output voltage saturation (see Example 1).
Example 1: Motor rated voltage (440V/60Hz) is higher than the inverter input voltage
(380V/50 Hz).
Figure 4.3.98 Rated voltage and frequency settings
Step 1: Set motor rated voltage, 17-03 =440V.
Step 2: Set no-load voltage, 17-08=360V, for the set value of the torque control lower
than the input voltage 20V.
Step 3: Set motor rated frequency:
Step 4: Automatically tuning
Parameter 01-12 (Fbase) is automatically set in the period of automatic tuning.
Basically, 01-12(Fbase) is set to the motor rated frequency.
Step 5: Set 01-12(Fbase) the the rated frequency on the motor nameplate. If the
maximum output frequency (01-02,Fmax) and basic frequency (01-12, Fbase)
are different, set the maximum output frequency after the completetion of
automatic tuning(01-02, Fmax).
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