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    What are the conditions for closing the ATS48 R2 relay?

    Issue:
    When does the ATS48 R2 relay close?

    Product Line:
    Altistart 48

    Environment:
    All models

    Cause:
    None

    Resolution:
    The R2 relay has a dedicated function to control a shorting contactor.
    The relay contact is normally open and will close when the motor is up to full speed.
    The conditions for R2 closure are:
    - if CLP = OFF, relay closes when the thyristors are full wave (angle = 1): full voltage is being sent to the motor.
    - if CLP = ON, relay closes when the thyristors are full wave (angle = 1) and the peak current estimated is less than 1.4 x In

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