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    Video: How can I increase the starting torque on the ATS22?

    Issue:
    Not enough power to get the motor moving from a start position

    Product line:  
    Altistart 22, ATS22

    Environment:  
    All models, all serial numbers

    Cause:
    The default settings in the ATS22 cannot produce enough torque to ramp up the Soft Starter, which could lead to overcurrent, overload or excessive starting time faults.

    Resolution:
    Increasing the parameters below can aid in providing more breakaway torque to get the motor moving and up to speed.

    SET Menu:
    Parameter T90 - Initial Voltage.  This value is adjustable from 10% to 50% of the full voltage, in increments of 5%.  Factory setting is 30%. 
    Parameter ILt - Current limit.  This is the maximum current allowed during the startup.  It is adjustable up to 700% of the Motor Rated Current (In parameter).  The maximum value is 350% of the Soft Starter rated current (IcL parameter).  Factory setting is 350%.



    ADJ Menu: (To access the ADJ menu, LAC parameter under the SET menu must be set to "on")
    Parameter bSt - Boost Time.  This provides an 80% pulse of the Line voltage (UIn parameter) for 0.0 to 1.0 seconds.  Factory setting is 0.0. 

     

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