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Trajectory adjustment
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(Original Document)
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Trajectory adjustment
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(Original Document)
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Field
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Description
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Start/stop frequency
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Called SS_FREQ, this is the minimum speed of the movement of the moving part.
If FMAX, the maximum speed defined in configuration, is lower than 4 KHz, SS_FREQ must be contained between 0 and FMAX.
Otherwise, SS_FREQ must be contained between 0 and 4KHz.
When SS_FREQ is left at zero, the start and stop frequency is the smallest frequency in the range.
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Acceleration
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Called ACC, this is the moving part’s acceleration and deceleration gradient or the period of acceleration needed to go from the speed SS_FREQ to FMAX (See Configuring control parameters).
When the user-defined unit is Hertz/s, this parameter must be between the lower acceleration limit for the range of max speed and the acceleration entered in configuration (See Description).
When the user-defined unit is ms, this parameter must be between the value of the max acceleration entered at configuration and 5000 ms.
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Software Hi Limit
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Called SLMAX and expressed by number of pulses, this is the maximum position of the movement of the moving part in the positive direction.
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Software Lo limit
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Called SLMIN and expressed by number of pulses, this is the minimum position of the movement of the moving part in the negative direction.
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The software limits must respect the following differences:
When the two software limits SLMIN and SLMAX are zero, the monitoring of these software limits is not activated. Movements can be executed on the whole of the counting range from -16 777 216 to + 16 777 215 without, however, exceeding one of these limits.
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