Xenus XSL User Guide
I
2
T Time Limit Algorithm
Copley Controls Corp.
165
the next 2 seconds since the difference between the actual output current and the continuous
current limit is zero.
At approximately 3.5 seconds, the commanded current falls below the continuous current limit and
once again the output current follows the commanded current. Because the actual current is less
than the continuous current, the I
2
T Accumulator Variable value begins to fall incrementally.
The I
2
T Accumulator Variable value continues to fall until at approximately 5.0 seconds when the
commanded current goes above the continuous current limit again. The actual output current
follows the current command until the I
2
T Accumulator Variable value reaches the I
2
T setpoint and
current limiting is invoked.
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