TAS2_a030_PWMerrorFL

TAS2_a030_PWMerrorFL
The alert checks for height sensor PWM faults every 10ms.

A weighted counter increments by 10 for every repeated fault and triggers the fault at a threshold of 50. The weighted counter decrements by 1 for every valid reading and clears the fault when it reaches 0.

TAS2_a030_PWMerrorFL will trigger if any of the following faults are set:

PWM_OVER_MAX_DUTY

Set:The height sensor PWM signal has had a duty cycle greater than 87.5% for 50ms.
Clear:The height sensor PWM signal has had a duty cycle less than 87.5% for 500ms.

PWM_UNDER_MIN_DUTY

Set: The height sensor PWM signal has had a duty cycle less than 12.5% for 50ms.
Clear:The height sensor PWM signal has had a duty cycle greater than 12.5% for 500ms.

PWM_OVER_MAX_PERIOD

Set: The height sensor PWM signal has had a period greater than 0.00131579 seconds for 50ms.
Clear:The height sensor PWM signal has had a period less than 0.00131579 seconds for 500ms.

PWM_UNDER_MIN_PERIOD

Set: The height sensor PWM signal has had a period less than 0.00119048 seconds for 50ms.
Clear:The height sensor PWM signal has had a period greater than 0.00119048 seconds for 500ms.

PWM_OVER_MAX_DELTA_DUTY (cannot be set if transitioning to/from 0 or 100% duty cycle)

Set: The height sensor PWM duty cycle has changed by more than 33% (3.3 * 10ms alert period) since its previous cycle for 50ms.
Clear: The height sensor PWM duty cycle has changed by less than 33% (3.3 * 10ms alert period) since its previous cycle for 500ms.

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