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Operation 3-17
44-Accel Time #2 - Sets the time in seconds for the output
frequency of the inverter to linearly increase from 0 Hz to the
frequency specified by parameter 32-Max Output Frequency.
The adjustable range is from 0.1 Sec to 600 Sec.
45-Decel Time #2 - Sets the time in seconds for the output
frequency of the inverter to linearly decrease from the frequency
specified by parameter 32-Max Output Frequency to 0 Hz. The
adjustable range is from 0.1 Sec to 600 Sec.
Note: Since the motor uses rotor slip to produce motor torque,
the motor speed will not necessarily increase/decrease
linearly with a linear increase/decrease in applied motor
frequency. Some trial and error may be necessary to find
the optimum Accel and Decel settings for your application.
If the control trips (faults) during rapid accel or decel,
selecting longer ramp times will help eliminate the trips.
46-Decel Time Torque Limit - Sets the deceleration rate when
the control is operating in torque limit. Also serves as the
acceleration time when the control is in torque limit due to a
regenerative (overhauling load) condition. The adjustable range
is 0.1-30 seconds.
47-DC Brake Time - Sets the amount of time the DC Injection
Braking will be allowed. There are several available options
including Timed DC Braking, Continuous DC Braking, and Off
(disabled). The options are defined in the following table: