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22. PARAMETERS
Pr.7
-
Pr.9
Acceleration time (Pr.7) indicates the time in
which frequency, starting from
OHz,
reaches the
reference frequency (Pr.20). Deceleration time
(Pr.8) indicates the time in which frequency,
starting from the setting for Pr.20, reaches OHz.
If
"0"
is set for accelerationfdeceleration time, it
corresponds to 0.04 sec.
Note: When the acceleration pattern is S-pattern A (refer to Pr.29), the time indicates the
period to reach to the base frequency (Pr.3).
The output frequency corresponding to the frequency setting signal (analog) is set wlth
the gain (Pr.903, Pr.905) (Refer to page 92.).
Set Pr.9 to the motor nameplate full load amps. The electronic compensation for reduced motor
cooling at lower frequencies protection characteristics include.
0
If "0" is set, the motor protection function is invalid. In this case, the protection function for the
output transistor of the inverter is valid.
0
If a blower cooled or TENV constant torque motor
IS
used, set '1" in Pr.71 to select 100% con-
tinuous torque characteristics in the low-speed range. Then, set the rated current of the motor
in Pr.9 (electronic thermal relay).
0
Factory-setting is "rated output current of the inverter". For 0 . l K to 0.75K models, setting is
- e
"85%" of the rated output current of the inverter.
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-
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