F009 | F012 |
Accel #1 Time
Program ⇒ Fundamental Parameters ⇒ Accel/Decel #1 Settings
This parameter specifies the time in seconds for the drive to go from 0.0 Hz to the Maximum Frequency for the #1 Acceleration profile. The accel/decel pattern may be set using F502. The minimum accel/decel time may be set using
F508.
Note: An acceleration time shorter than the load will allow may cause nuisance tripping and mechanical stress to loads.
Automatic Accel/Decel and Stall settings may lengthen the acceleration time.
Direct Access Number — F009
Parameter Type — Numerical
Factory Default —
Changeable During Run — Yes
Minimum — 0.1
Maximum — 6000
Units — Seconds
Acceleration
The acceleration rate of a motor is determined by several factors: applied power, applied load, and the physical properties of the motor (winding parameters, motor size, etc.). The ASD will control the first of these factors: input power. The settings of the ASD control the frequency and amplitude of the applied voltage to the motor.
Under most operating conditions, as the output frequency of the drive goes up so does the output voltage (linear acceleration). The ASD has the ability to modify the relationship between frequency and voltage automatically to produce smoother operation or increased (starting) torque.
Decel #1 Time | Direct Access Number — | F010 | ||
Program ⇒ Fundamental Parameters ⇒ Accel/Decel #1 Settings | Parameter Type — Numerical | |||
This parameter specifies the time in seconds for the drive to go from the | Factory Default — | |||
Changeable During Run — Yes | ||||
Maximum Frequency to 0.0 Hz for the #1 Deceleration profile. The accel/ | ||||
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decel pattern may be set using F502. | Minimum — 0.1 |
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When operating with the Automatic Accel/Decel enabled (F000) the minimum | Maximum — 6000 |
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Units — Seconds |
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accel/decel time may be set using F508. |
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Note: | A deceleration time shorter than the load will allow may cause |
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| nuisance tripping and mechanical stress to loads. |
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| Automatic Accel/Decel and Stall settings may lengthen the |
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| acceleration time. |
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Maximum Frequency | Direct Access Number — | F011 | ||
Program ⇒ Fundamental Parameters ⇒ Frequency Settings | Parameter Type — Numerical | |||
This setting determines the absolute maximum frequency that the ASD can | Factory Default — 80.0 |
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Changeable During Run — No | ||||
output. This setting is also referred to as FH. | ||||
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Accel/decel times are calculated based on the Maximum Frequency setting. | Minimum — 30.0 |
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| Maximum — 299.0 |
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Note: | This setting may not be lower than the Upper Limit setting | Units — Hz |
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Upper Limit Frequency | Direct Access Number — | F012 | ||
Program ⇒ Fundamental Parameters ⇒ Frequency Settings | Parameter Type — Numerical | |||
This parameter sets the highest frequency that the ASD will accept as a | Factory Default — 80.0 |
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Changeable During Run — Yes | ||||
frequency command or frequency setpoint. The ASD may output frequencies | ||||
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higher than the Upper Limit Frequency (but, lower than the Maximum | Minimum — 0.0 |
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Frequency) when operating in the PID Control mode, Torque Control mode, | Maximum — Max. Freq. (F011) | |||
or the Vector Control modes (sensorless or feedback). | ||||
Units — Hz |
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Note: | This setting may not be higher than the Maximum Frequency |
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| (F011) setting. |
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G7 ASD Operation Manual |
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